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  • Aticle
    LIU Fang, YANG Shuo, ZHANG Ying
    Chinese Journal of School Doctor. 2024, 38(10): 784-789. https://doi.org/10.20161/j.cnki.32-1199/R.202410216
    A quantitative analysis of the literature on cyberbullying intervention projects in the Web of Science Core Collection database, using CiteSpace visualization software, was conducted. We identified key research focuses in foreign cyberbullying intervention projects, including cyberbullying prevalence, protective factors, family education, and the effectiveness of prevention and intervention programs. By closely examining frequently cited literature, the specific content of prominent cyberbullying intervention projects was analyzed in depth, thus revealing current research gaps and future directions in the intervention domain. Educational insights and recommendations for cyberbullying intervention in schools are proposed.
  • Aticle
    ZHONG Xiaojing1, CHEN Xiaoxia1, CHEN Yuqing1, ZHONG Jiandong2, WU Jing3, 4
    Chinese Journal of School Doctor. 2025, 39(1): 47-52. https://doi.org/10.20161/j.cnki.32-1199/R.202501007
    Objective The purpose of this study was to analyze sleep quality among medical students from China and other countries from 1994 to the present, to provide a reference for promoting research on sleep quality among Chinese medical students. Methods Relevant literature was retrieved from the CNKI, Wanfang, VIP, and Web of Science core collection databases between January 1994 and April 2024. Scimago Graphica software was used to construct a collaborative network graph of the articles’ countries and authors. CiteSpace 6.1.R6 software was used to visualize research hotspots and evolutionary trends in the keywords of the included literature. Results A total of 412 Chinese articles and 759 English articles were included. The visualization results indicated that the number of published literatures has rapidly increased since 2018. China’s ranked third worldwide in the total number of articles (94 articles). “Medical students” “sleep quality” and “sleep disorders” were common high-frequency keywords in domestic and international research, whereas the foreign terms “sleep pattern” and “smartphone addiction” are the strongest citation bursts that have appeared internationally in the past three years. Conclusions In recent years, research on sleep quality among medical students has become a major topic of global concern. Further research on sleep medicine education in psychological and academic performance should be conducted, to improve sleep quality among medical students in China. Research trends should follow changes in sleep patterns and smartphone addiction among medical students.
  • Aticle
    WEI Yanzhao1, GONG Xiaohui1, FAN Changyi1, ZHANG Yuqi2, WANG Shanshan3, DU Feng4
    Chinese Journal of School Doctor. 2025, 39(1): 77-80,-3. https://doi.org/10.20161/j.cnki.32-1199/R.202501014
    This is a reflection based on the rapid development of mRNA vaccines in preventing infectious diseases and tumor treatment, regarding the relationship between mRNA vaccines and immune memory during the practical application. This study was designed to investigate the mechanisms of immune memory induced by mRNA vaccines and related factors, and to explore the main challenges in the relationship between mRNA vaccines and immune memory. Furthermore, it also provides evidence for the direction of future research on mRNA vaccines and immune memory.
  • Aticle
    ZOU Zhiyong, MA Jun
    Chinese Journal of School Doctor. 2025, 39(1): 1-4. https://doi.org/10.20161/j.cnki.32-1199/R.202412262
    This article aims to discuss the current situation, challenges, and priorities facing the health promotion of children and adolescents, and to provide valuable insights and feasible strategies for future actions. The comprehensive development of children and adolescents is gaining importance, exemplified by major challenges including excessively high rates of myopia, rising prevalence of obesity, and prominent mental disorders. Furthermore, school health should be enhanced by improving policies, implementations, infrastructure and educational environment, in coordination with family environment. Future strategies require the integration of multifaceted priority areas of concern, especially “new quality productive forces”, to promote the physical, mental and fertility health of children and adolescents in an all-round way.
  • Aticle
    ZHANG Dongdong, JI Keyi, CHEN Ling, ZHU Yu, PENG Wenjia, XU Pengyuan
    Chinese Journal of School Doctor. 2024, 38(10): 755-759. https://doi.org/10.20161/j.cnki.32-1199/R.202410209
    Objective This study investigated the current social support status among non-only-child and only-child students at colleges and universities, and compared factors influencing social support, to provide a basis for improving social support among college students. Methods The study was conducted from February to April of 2021 at six colleges and universities in Jiangsu Province and Anhui Province. The cluster sampling method was used to select the participants. Tools such as the Egocentric Social Network Questionnaire, Social Support Rating Scale, Anxiety Subscale of the Self-Consciousness Scale, and Beck Depression Inventory were used to investigate the level of social support and its influencing factors among participants. Multivariate analysis methods were used to explore the factors influencing social support levels, and to compare the current status and influencing factors of social support between non-only-child students and only-child students. Results Among 2 806 participants, 1 554 (55.4%) were non-only-children. The total score for social support level and the dimension of subjective support were higher among non-only-child students than only-child students. Multivariate logistic regression indicated that social anxiety (OR: 1.807, 95%CI: 1.054-1.122 for non-only children; OR: 1.049, 95% CI: 1.016-1.083 for only children), depression (OR: 1.074, 95% CI: 1.050-1.099 for non-only children; OR: 1.095, 95%CI: 1.067-1.125 for only children), and individual local centrality (OR: 0.772, 95%CI: 0.718-0.830 for non-only-children; OR: 0.783, 95%CI: 0.724-0.847 for only children) were the common factors affecting social support among students in both groups. A single-parent family structure (OR: 0.534, 95%CI: 0.299-0.953) and better family economic status (OR: 0.385, 95%CI:0.243-0.609) were unique influencing factors for non-only-child students. Conclusions We observed differences in levels of social support between non-only-child and only-child students at colleges. The influencing factors included both common aspects and unique characteristics. In the context of adjustments to national fertility policies and changes in social and family structures, schools should focus on the commonalities among students while providing targeted support and assistance to help students enhance their social support levels and achieve healthy growth.
  • Aticle
    GUO Wenwen, ZENG Huimei
    Chinese Journal of School Doctor. 2024, 38(11): 813-817. https://doi.org/10.20161/j.cnki.32-1199/R.202411223
    Objective This study investigated the current status of fertility knowledge and fertility intention among 828 college students at six universities in Zhaoqing City, and explored the correlations and influencing factors between the two. Methods From March to May 2023, an online cross-sectional survey was conducted among 828 college students at six universities in Zhaoqing City, Guangdong Province, with the Chinese version of the Cardiff Fertility Knowledge Scale (CFKS-C), the self-made fertility intention questionnaire, and the Family Planning Change questionnaire, to understand their fertility knowledge and fertility intention, and to assess factors influencing fertility intention and their correlation with CFKS-C accuracy. Results The average accuracy of the CFKS-C was 56.32% (SD=22.05), and the rate of misunderstanding of the statement “a healthy lifestyle can make you fertile” was highest (82.85%). A total of 782 students (94.44%) were willing to have children, among whom 11.64% were willing to have children after the age of 30. Ordered multiple logistic regression indicated that the willingness of grade 3 students to have multiple children was 1.570 times that of grade 2 students (OR=0.637), and the willingness of male students to have multiple children was 1.623 times stronger than that of female students. College students with an annual family income of 100 000 to 200 000 yuan were less willing to have multiple children than those with an annual family income of 200 000 yuan or more. Stepwise regression results showed that being non-Cantonese, being a senior, and having low CFKS-C levelswere associated with greater likelihood of having children after 30 years of age (P<0.05). Conclusions The overall level of reproductive knowledge of college students in Zhaoqing City was not high, particularly regarding the misunderstanding of the effects of lifestyle on fertility. The addition of health education related to reproductive promotion in school sex education would aid in improving reproductive intention among college students, to decrease the occurrence of involuntary childlessness or smaller than expected birth plans in the future.
  • Aticle
    SU Xian,KUANG Xiaoni
    Chinese Journal of School Doctor. 2024, 38(9): 715-718.
    With economic development and the resultant lifestyle changes, the spectrum of nutritional disorders in preschool children has changed: obesity and deficiencies in vitamins and minerals are increasingly prevalent. In China, 86.2% of all kindergartens at the township level or above provide meals for children, but without proper nutritional allocation. This aspect may be closely associated with the occurrence of nutritional diseases in children. This review is aimed at summarizing the nutritional status among preschool children in various regions, and analyzing the supply of nutrition by kindergartens throughout the country.
  • Aticle
    GAO Xiaoxiao, ZHAO Chaoyi, XUE Laiyu, TAO Dingxi, YU Gaowang
    Chinese Journal of School Doctor. 2024, 38(12): 933-938. https://doi.org/10.20161/j.cnki.32-1199/R.202412253
    Objective The genotypes and composition ratio of α-thalassemia and β-thalassemia in Fujian Province from 2018 to 2022 were analyzed, to provide a reference for formulating prevention and control measures, prenatal diagnosis, premarital examination, and genetic counseling for thalassemia. Methods Peripheral blood samples from 12 680 patients with thalassemia from April 2018 to December 2022 were examined. Three missing alpha-thalassemia genes were detected by cross-break polymerase chain reaction (Gap-PCR), and three non-missing alpha-thalassemia genes and 17 β-thalassemia genes were detected by PCR-reverse dot hybridization (PCR-RDB). Results Among the 12 680 samples, 3 499 (27.59%) indicated thalassemia gene carriage, with a total of 57 genotypes, of which 2 214 (17.46%) indicated thalassemia gene carriage, 1 215 (9.58%) indicated β-thalassemia gene carriage, and 70 (0.55%) indicated α-complex β-thalassemia gene carriage. Moreover, α-deletions were the most common among the 57 thalassemia genotypes (2 156 cases (61.62%)), and α-thalassemia medium --SEA/αα was the most common mutation type (1 622 cases (73.26%)). β-thalidomia βIVS-II-654/βN was the most important mutation type and was observed in 535 cases (44.03%). A total of 59 cases (3.37%) of α-thalassemia intermedia, three cases of β-thalassemia intermedia, and two cases of severe β-thalassemia were detected. Conclusions The thalassemia gene carriage rate in the population of Fujian was high, and showed genetic diversity and heterogeneity. Greater attention should be paid to thalassemia screening during pre-marital and pregnancy examinations.
  • Aticle
    ZHU Hong, WANG Rujin, WU Xinguo, ZHANG Mingzhi
    Chinese Journal of School Doctor. 2025, 39(2): 81-84,101. https://doi.org/10.20161/j.cnki.32-1199/R.202412266
    We reviewed Chinese literature on overweight and obesity in children, which was published in Chinese Database (CNKI, Wanfang etc.) from 2013 to 2023, mainly focusing on the research hotspots and trends in this field. Overall, the prevalence of obesity among children in China was indicating an upward trend. The main risk factors of obesity were included as susceptible genes, unhealthy lifestyle behaviors, family and social environments as well as physiological factors. Currently, interventions for childhood overweight and obesity mainly involve diet and exercise, along with multi-level comprehensive ones from families, hospitals, and communities. Discovering unknown factors associated with childhood obesity and exploring practical intervention measures to control it remain research hotspots in this field.
  • Aticle
    TIAN Wei, LIU Mingfa
    Chinese Journal of School Doctor. 2025, 39(1): 53-55,73. https://doi.org/10.20161/j.cnki.32-1199/R.202501008
    Objective This study was aimed at understanding the current status of overweight and obesity, as well as the associated factors such as dietary and lifestyle habits, among primary and secondary school students in an area of Tianjin, to provide a basis for the development of intervention measures for overweight and obesity among students in this area. Methods We collected overweight and obesity-related monitoring data from the National Student Common Diseases and Health Influencing Factors Surveillance Program in an area of Tianjin, from 2019 to 2023, and analyzed the distribution characteristics and factors influencing overweight and obesity among primary and secondary school students. Results A total of 7 789 students were included in the analysis. The overweight and obesity rate was 41.0%: 49.9% of boys and 31.3% of girls were affected, and the difference was statistically significant (χ2=280.38, P<0.001). Multivariate logistic regression analysis indicated higher risk of overweight and obesity among students drinking sugar-sweetened beverages one or more times per day (OR=1.121, 95%CI: 1.063-1.194), eating fried food one or more times per day (OR=1.085, 95%CI: 1.013-1.183), or having a daily sleep time<8 hours (OR=1.770, 95%CI: 1.201-2.590), and lower risk of overweight and obesity among students exercising>60 min/d more than 2 days per week (OR=0.857, 95%CI: 0.822-0.915) or having two or more weekly physical education classes (OR=0.823, 95%CI: 0.771-0.873). Conclusions The overall overweight and obesity rate among students in the studied area of Tianjin was relatively high, and was associated with factors such as diet, sports, and lifestyle habits. Targeted intervention measures should be adopted to control the occurrence and development of overweight and obesity in students.
  • Aticle
    CAO Xuang, LIANG Xueyin, TANG Xuexia, SI Qianyu, SU Wei, ZHOU Yun
    Chinese Journal of School Doctor. 2024, 38(9): 663-666,684.
    Objective This study was aimed at understanding the status of knowledge regarding AIDS and the demand for health education among first-year students at a college in the border area, to provide countermeasures and a basis for AIDS health education development at colleges and universities. Methods A questionnaire survey was conducted among 3 106 first-year university students through cluster sampling. The data were sorted, screened, and subsequently analyzed with chi-square test and binary logistic regression in SPSS 25.0 statistical software. Results The overall AIDS-related knowledge rate among first-year students was 80.33%. Being male (OR=1.226, 95%CI: 1.019-1.475, P=0.031), having had same-sex sexual intercourse experience (OR=0.374, 95%CI: 0.171-0.816, P=0.013), and having received education regarding AIDS (OR=1.777, 95%CI: 1.300-2.431, P<0.001) affected overall knowledge. The total demand rate for AIDS health education was 62.94%. Being students in urban areas (OR=1.268, 95%CI: 1.049-1.533, P=0.014), having been tested for HIV (OR=2.848, 95%CI: 2.187-3.709, P<0.001), and having received HIV-related education (OR=9.484, 95%CI: 6.586-13.657, P<0.001) affected health education demand. Conclusion AIDS-related knowledge among first-year students at colleges and universities in border areas requiresimprovement. Awareness of AIDS prevention and treatment was relatively weak, and could be improved by targeted optimization of the channels and methods of AIDS health education.
  • Aticle
    ZHANG Xunqi, GONG Lili, MENG Xinhai, ZHOU Lihua
    Chinese Journal of School Doctor. 2024, 38(11): 801-804,821. https://doi.org/10.20161/j.cnki.32-1199/R.202411220
    Objective This study analyzed the regulatory mechanism of academic support perception between risk perception of nursing profession and transition shock among undergraduate nursing interns. Methods Convenience sampling was used to select 133 undergraduate nursing interns, who were investigated with a self-designed general information questionnaire, the Risk Perception Questionnaire for Nurses, the Transition Shock Scale for Undergraduate Nursing Students, and the Academic Support in the Practicum Scale. Results The total score of risk perception of nursing profession, transition shock, and academic support perception were 90.77±16.48, 47.22±7.14, and 161.39±31.44, respectively. Academic support perception had a moderating effect between risk perception of nursing profession and transition shock (β=0.078, P=0.033). Simple slope analysis indicated that, under conditions of high and low academic support perception, the effect of risk perception of nursing profession on transition shock was statistically significant (β=0.508, P<0.001; β=0.296, P<0.001). Johnson-Neyman analysis revealed that the boundary value of the regulatory effect of academic support perception between risk perception of nursing profession and transition shock was 106.91. Conclusions Academic support perception can regulate the relationship between risk perception of nursing profession and transition shock among undergraduate nursing interns. Our findings provide new insights for nursing educators.
  • Aticle
    WANG Mei1, XU Yaru1, SONG Feng1, WANG Yuanyuan2, JIANG Shunli3, LIANG Yumin1
    Chinese Journal of School Doctor. 2025, 39(1): 64-68. https://doi.org/10.20161/j.cnki.32-1199/R.202501011
    Objective To investigate the factors affecting depression symptoms in middle school students and provide novel insights for preventing and controlling students’ depression with appropriate measures, the relationship of campus bullying and injury-related behaviors with depression symptoms were analyzed. Methods The 10 330 students from junior, senior and vocational high school (37 schools, 11 counties) in Jining City were enrolled, with multi-stage stratified cluster sampling method. A questionnaire survey on injuries, campus bullying, and CES-D depression self-assessment was conducted. Multivariate Logistic regression model analysis was used to analyze the relationships of injuries and campus bullying with depression among middle school students. Results The 232 (2.25%) students suffered campus bullying, 8 257 (79.93%) students had injury-related behaviors, and 1 292 (12.51%) students suffered depression symptoms. Among them, 52.16% of students being bullied and 32.65% of injured students had depression symptoms. After controlling for factors, such as gender, education level and household registration, a multivariate logistic regression analysis was carried out. The results showed that experiencing campus bullying (OR=7.43, 95% CI: 5.61-9.83), suffering serious injuries (OR=2.91, 95% CI: 2.18-3.88), fighting with others (OR=2.72, 95% CI: 2.21-3.34), and being scolded or beaten by parents (OR=4.58, 95% CI: 3.87-5.41) were all positively relationship with the prevalence of developing depression symptoms. Conclusions Suffering from campus bullying, injuries, and being scolded or beaten by parents are related to the risk of depression symptoms among middle school students. Preventing campus bullying and injury-related behavior are particularly important for reducing the incidence of adolescent depression symptoms.
  • Aticle
    CAI Yuhan, WEI Huifang, WANG Zifan, ZHANGTianxi, ZHANG Miaomiao
    Chinese Journal of School Doctor. 2024, 38(10): 721-724,732. https://doi.org/10.20161/j.cnki.32-1199/R.202410200
    Objective This study was aimed at investigating the awareness rate of AIDS knowledge among college men who have sex with men (MSM), to provide a basis for AIDS prevention awareness and formulation of effective scientific intervention measures in the future. Methods Through a snowball and peer recommendation approach, 165 college students MSM underwent a questionnaire survey from June to December 2023 to determine their current status of HIV-related knowledge and high-risk sexual behaviors. HIV knowledge levels and differences in high-risk sexual behaviors among college students with various characteristics were compared. Results The overall AIDS knowledge awareness rate among university MSM was low, at 81.14%. Respondents had insufficient knowledge of their HIV susceptibility and showed a gap between knowledge and action. With increasing grade level and sexual experience, knowledge of AIDS among MSM increased to some extent. The dissociation rate between knowledge and practice was higher than the rate of knowledge and practical use of condoms among MSM college students. The difference between the proportion of those without vs. with homosexual anal sex in the past year (100% vs. 58.42%) was statistically significant (χ2=19.449, P<0.001). The difference between the proportion of those who had been or had not been diagnosed with an STD in the past year (94.59% vs. 59.38%) was statistically significant (χ2=15.535, P<0.001). Conclusion The lack of awareness of HIV susceptibility among college MSM, and the separation of knowledge and behavior, suggests that colleges and universities should enhance their efforts to promote HIV prevention among this group, strengthen awareness of safer sex, and help students better translate correct sexual knowledge into safer sex, to curb the spread of HIV among this group.
  • Aticle
    ZHANG Xiaoyu, CHEN Jiajing, WANG Yan, DUAN Jianfang, JIANG Lili
    Chinese Journal of School Doctor. 2024, 38(12): 926-928,952. https://doi.org/10.20161/j.cnki.32-1199/R.202412251
    Objective This study analyzed the loss coefficient and factors influencing vaccine loss in a multi-dose vaccine immunization program in Putuo District, Shanghai, from 2021 to 2023, to understand the status of current vaccine loss. Methods Use and vaccination data for bacillus Calmette-Guerin vaccine (BCG), group A meningococcal polysaccharide vaccine (MPSV-A), and diphtheria and tetanus combined vaccine (DT) were collected from 17 vaccination clinics in Putuo District, Shanghai, during 2021-2023, and the loss coefficient was calculated. Results The total use of the three types of vaccines in multi-dose immunization programs in Putuo District, Shanghai, from 2021 to 2023 was 75 696 doses, and the total loss coefficient was 1.77. The total loss coefficients for BCG, MPSV-A, and DT were 2.68, 2.35, and 1.26, respectively. Spearman correlation analysis indicated that the multi-dose vaccine loss coefficient negatively correlated with the district/town classification of the vaccination clinic, the monthly vaccination amounts of the vaccination clinic, and the vaccine specifications (r=-0.138, P<0.001; r=-0.658, P<0.001; and r=-0.761, P<0.001), and positively correlated with the monthly number of vaccination days of the vaccination clinic ( r=0.220, P<0.001). Conclusions The loss coefficient for some multi-dose vaccines provided by immunization programs in Putuo District, Shanghai, from 2021 to 2023 exceeded the national standard. Each vaccination unit is recommended to scientifically formulate a vaccine use plan, arrange for reasonable opening hours for vaccination clinics, and enable centralized vaccination appointments to decrease the loss of vaccines in multi-dose immunization programs.
  • Aticle
    KONG Lingyan, XIE Yuqing, CHEN Lihua, HUANG Siping, Zhou Yisheng, WU Jingwen
    Chinese Journal of School Doctor. 2024, 38(11): 825-829. https://doi.org/10.20161/j.cnki.32-1199/R.202411226
    Objective An epidemiological investigation and analysis of the brucellosis epidemic caused by consuming fresh goat’s milk in Nanchang City in 2023 was conducted. The source of infection was determined, thus providing a scientific basis for the future management of such incidents. Methods Sources of confirmed cases of infection were screened. Epidemiological investigations were conducted on close contacts, and subsequent brucellosis testing was performed on the sheep herds of all patients’ close contacts and families, as well as cattle and sheep raised within 3-5 kms. Exposure factor analysis was conducted on all populations with a history of contact with livestock or animal products (mainly sheep’s milk). The results were analyzed and described. Results A total of 19 confirmed cases were identified in this epidemic, and two cases were implicitly infected individuals. The main clinical manifestations were fever (84.21%), excessive sweating (10.53%), fatigue (47.37%), muscle and joint pain (57.89%),and lumbago (15.79%). No statistically significant relationship was identified between fresh sheep’s milk dosage and disease onset (P>0.05). Conclusions The current outbreak of the epidemic was caused by infection from raw, fresh sheep’s milk. The source of infection might have been related to the imported source of the disease, hidden infections in sheep, and contact with infected sheep. To prevent future outbreaks it is essential to strengthen the quarantine management of sheep’s milk and other products, decrease the risk of brucellosis, increase awareness and education regarding brucellosis prevention and control, and curb increases in the brucellosis epidemic.
  • Aticle
    MAO Yu, SUN Yina, JIANG Yunxiao, YU Min, ZHANG YE Zhiyu, CHEN Xuan, GUI Xiang, JIANG Shunli, XIE Ruining
    Chinese Journal of School Doctor. 2024, 38(9): 641-644,651.
    Objective This study investigated the relationships among biological rhythm and depression, anxiety, and stress in medical college students, to provide evidence for improving mental health among medical college students. Methods A total of 594 students from a medical college underwent stratified cluster sampling and a self-reported questionnaire study. The students’ biological rhythm and mental health status were evaluated according to a depression-anxiety-stress self-rating scale, early-evening scale, exercise rhythm scale in the Healthy Lifestyle Scale for College Students, and diet rhythm scale in the Adolescent Biorhythm Disorder Assessment Questionnaire. Results Univariate analysis indicated that study burden, the degree of influence of dormitory students’ sleep and rest, sleep rhythm, exercise, and diet affected depression, anxiety, and stress among medical college students. Being an only child and monthly living expenses during school were found to affect anxiety; moreover, maternal education level was found to influence stress (all P<0.05). Binary logistic regression analysis indicated that students with an intermediate sleep-wake circadian rhythm were not prone to anxiety and stress. The early morning type was not prone to anxiety. Students who scored higher in exercise were less prone to depression. Students with higher diet scores were less prone to depression, anxiety, and stress (all P<0.05). Conclusions The detection rates of depression, anxiety, and stress tendency among medical students were high, and a more regular biological rhythm was associated with lower detection rates. Reasonable measures should be adopted to achieve comprehensive promotion of physical and mental health among medical college students.
  • Aticle
    DONG Ziqi1, CHEN Manman2, LU Zhenting1, YUAN Wen3, ZOU Zhiyong1, MA Jun1, DONG Yanhui1
    Chinese Journal of School Doctor. 2025, 39(1): 14-19. https://doi.org/10.20161/j.cnki.32-1199/R.202412265
    Objective To explore the distribution characteristics and differences in body composition among children and adolescents aged 6-18 year with normal weight and obesity, and to provide a scientific basis for precise prevention and intervention of obesity. Methods From September to December 2020, a cross-sectional survey was conducted among 1 204 children and adolescents (aged 6-18 years) from four schools in Beijing, with a stratified cluster random sampling method. Height and body mass were measured through physical examinations, and obesity was determined with the standard of “Screening for overweight and obesity among school-age children and adolescents (WS/T 586-2018)”. Their body composition was measured using Dual-energy X-ray Absorptiometry (DXA), and indicators including fat mass index (FMI), muscle mass index (MMI), fat-to-muscle mass ratio (FMMR) were calculated. Generalized additive models for location scale, and shape (GAMLSS) were employed to fit percentile curves for indicators of body composition. The reference values of children and adolescents with normal weight and obesity by age and sex were obtained. Differences in body composition distributions between the two groups were then compared. Results A total of 1 204 children and adolescents aged 6-18 years were enrolled. Children and adolescents with obesity had higher FMI, MMI, and FMMR than those with normal weight, particularly in the abdominal and trunk regions (P<0.001). FMI showed a trend of rising initially and then falling. Among children with normal weight, FMI gradually decreased after age 11, while that of FMI decreased after age 15 in children with obesity. MMI exhibited a “rapid growth phase” during puberty and the growth rate in the obese group was smaller than that in the normal weight group. FMMR in all regions initially showed a trend of rising and then declining around 10-12 years of age among children with normal weight, whereas in obese children, FMMR P50 in the abdomen, trunk, and hip regions failed to decline until age of 18. Conclusions There are differences in the distribution of body composition among children and adolescents with normal weight and obesity. Children and adolescents with obesity may experience increased fat accumulation in the abdominal and trunk regions, accompanied by slower muscle growth during puberty. These findings support the development of more precise obesity prevention and management strategies in pediatric populations. Further investigation into the underlying causes of abnormal fat distribution in obese children and adolescents are warranted to better inform targeted prevention and treatment efforts.
  • Aticle
    ZUO Yafan, WANG Jizhong
    Chinese Journal of School Doctor. 2024, 38(11): 868-871. https://doi.org/10.20161/j.cnki.32-1199/R.202411236
    Objective This study was aimed at analyzing disseminated cases and outbreaks of foodborne diseases among students in Linyi City during 2018-2022, to reveal the epidemiological trends and main causative factors, and to provide a scientific basis for the development of effective preventive measures. Methods This study comprehensively analyzed foodborne disease cases and outbreaks in Linyi City from 2018 to 2022, on the basis of data in the National Foodborne Disease Case Surveillance System and Outbreak Surveillance System. The data processing performed in Excel 2021, and descriptive statistics analysis was performed in SPSS 29.0, including cases’ basic status, time distribution, types of suspected food exposure and outbreak sites. Results A total of 375 086 cases of foodborne diseases were reported in Linyi City from 2018 to 2022, 28 258 of which were in students, accounting for 7.53%. The male-to-female ratio was 1.37∶1. Cases were concentrated in May to August, particularly in June. Fruits and their products, meat and meat products, and vegetables and their products were the main suspected food exposures. The main outbreak sites were homes, schools and school canteens. The causative factors were primarily unidentified, and biological factors and toxic plants were the main contributors, among the known factors. Conclusions Foodborne diseases among students in Linyi City showed clear seasonal characteristics. Most pathogenic factors remained unidentified, thus necessitating continued enhancement of pathogen detection and food safety inspection efforts. On the basis of the findings, recommendations are made to strengthen food safety education, improve food handling and storage conditions, raise awareness regarding toxic plants, strengthen public health policies and regulations, and promote cross-sectoral cooperation.
  • Aticle
    QIAN Lifang, WANG Liming
    Chinese Journal of School Doctor. 2024, 38(10): 768-771. https://doi.org/10.20161/j.cnki.32-1199/R.202410212
    Objective The clinical effects of injection of betahistine combined with methylprednisolone into the tympanum on sudden deafness and hearing are discussed, according to clinical experience. Methods Ninety-two patients with sudden deafness admitted to the Miyun District Hospital in Beijing between January 2021 and May 2023 were randomly divided into a study group (n=46) and control group (n=46). The control group received betahistine, and the study group received methylprednisone injection into the tympanum on the basis of betahistine treatment. The clinical efficacy, hearing threshold, and hemorheology indexes before and after treatment, and the occurrence of adverse reactions were compared between groups. Results The total effectiveness rate was 95.65% in the study group and 76.09% in the control group; the difference was statistically significant (χ2=8.265, P=0.016). No significant difference in the hearing threshold was observed between groups before treatment (P>0.05). After treatment, the 1, 2, and 4 kHz hearing thresholds were higher in the study group (45.11±4.26, 43.73±4.65, and 53.33±5.65 dB, respectively) than the control group (55.39±5.09, 57.26±5.64, and 62.78±6.46 dB, respectively), and the difference was statistically significant (t=10.504, 12.554, and 7.468, respectively; all P<0.05). After treatment, PV, HSV, and LSV were 1.52±0.18, 4.55±0.37, and 7.06±0.75 mPa·s, respectively, in the in the study group, and 1.92±0.26, 5.58±0.53, and 9.85±0.98 mPa·s, respectively, in the control group. The difference was statistically significant (all P<0.05). No significant difference in complication rates was observed between the study group (4.35%) and the control group (6.52%) (χ2=0.211, P=0.646). Conclusion Betahistine combined with methylprednisone injection into the tympanum for treatment of sudden deafness significantly improves the hearing threshold in patients and decreases adverse reactions, and therefore is worthy of further clinical application.
  • Aticle
    WANG Ennan, ZHAN Xiang, XUE Yingwei, ZHANG Zinan
    Chinese Journal of School Doctor. 2024, 38(12): 910-913. https://doi.org/10.20161/j.cnki.32-1199/R.202412250
    Objective This study was designed to investigate the factors of general practice students’ employment at grassroots level, so as to provide a basis for the talents cultivation of general practice under the background of the “New Medicine”. Methods Questionnaire surveys and regression analysis were adopted to examine the factors of general practice students’ employment at grassroots level. Results Personal capability or qualifications (Coef.=-0.203, P<0.001) had a significant negative impact on general practice students’ employment at grassroots level. In contrast, support from personal life values (Coef.=0.120, P=0.079), national policies (Coef.=0.318, P<0.001), and family members or friends (Coef.=0.161, P=0.022) showed significant positive effects on students’ employment intentions. Conclusion In the cultivation of general practice talent, future efforts should focus on enhancing medical humanities education, integrating ideological and political education into the talent training of general practice, so as to address the critical issue of talent shortages in grassroots healthcare institutions.
  • Aticle
    CHEN Xiaojun, ZHAO Wenxin, ZHANG Chunhua, JIANG Dandan, CHEN Yanyan
    Chinese Journal of School Doctor. 2024, 38(8): 577-580.
    Objective This study investigated the current status of eye exercises among school-age children, including assessment of execution quality, identification of existing issues, and exploration of areas for improvement. Methods In June 2022, a convenience cluster sampling method was used to select 166 students in grades 2-5 at a primary school in Lucheng District, Wenzhou City. Two independent researchers using an eye exercise scoring sheet observed students’ behavior during eye exercises, and recorded observations including the standardization of eye exercise operations, rhythm, acupoint positions, and intensity effectiveness. Results The overall accuracy rate of students’ eye exercises was 64.12%, and the accuracy rates were lower for acupoint positions (50.67%) and intensity effectiveness (30.60%). The accuracy for locating and pressing the Si Bai was only 31.33%. Conclusions Students’ operational proficiency in eye exercises was generally low, and their performance in acupoint positions and intensity effectiveness was particularly insufficient. Provision of targeted guidance according to the characteristics of different acupoints is recommend to improve students’ operation level.
  • Aticle
    ZHANG Wen, TANG Xiaobo
    Chinese Journal of School Doctor. 2024, 38(8): 616-618.
    Objective This study analyzed the current status and epidemiological characteristics of HIV infection in Suyu District,Suqian City, since 2008, to provide a scientific basis for the formulation of effective prevention and control measures. Methods Descriptive epidemiological statistical methods were used to analyze HIV/AIDS data reported in the Chinese Disease Prevention and Control Information System in Suyu District, Suqian City. Results From 2008 to 2023, a total of 194 cases of HIV/AIDS were reported; the average annual infection rate was 1.83 per 100 000 population. The overall infection rate showed an increasing trend (χ2trend = 30.14, P<0.001) and affected more males than females (χ2 = 98.14, P<0.001). The main affected age group was 20-59 years (91.75%). The top three occupations before onset were farmers, commercial service workers, and householders/unemployed individuals. The main route of infection was sexual transmission. The top three case detection routes were testing of other patients, testing and counseling, and preoperative testing (accounting for a total of 76.29%). Conclusions The AIDS epidemic in Suyu District, Suqian City has a low prevalence but shows an overall increasing trend. Prevention and control measures are urgently required.
  • Aticle
    HUANG Qin, YU Hongxia, XIE Hui, LU Fang
    Chinese Journal of School Doctor. 2024, 38(11): 853-856,867. https://doi.org/10.20161/j.cnki.32-1199/R.202411232
    Objective This study was aimed at understanding knowledge regarding tuberculosis prevention and control among high school students in the Xunyang District of Jiujiang City, Jiangxi Province, as well as related influencing factors, to provide data support for the establishment of a tuberculosis-free campus. Methods A convenience sampling method was used to select 2 224 high school first-year students from five schools in Xunyang District, Jiujiang City. A questionnaire covering core information for tuberculosis prevention and control was used, and the results were assessed with chi-square test and logistic regression analysis. Results In 2023, the total awareness rate regarding core tuberculosis prevention and control information was 82.77%. The full awareness rate regarding core information was 16.86%. The full awareness rate showed positive correlations with female students (P<0.05, OR=1.296, 95% CI: 1.032-1.629) and those who had received publicity materials and education (P<0.05, OR=1.825, 95% CI: 1.371-2.428). Tuberculosis information was obtained primarily through online (44.73%) and school lecture (41.52%) publicity. The expected routes for obtaining tuberculosis information were school lecture publicity (65.07%) and online publicity (18.72%). Conclusions Students’ knowledge of TB prevention and control is low in Xunyang District of Jiujiang City and has not reached 90% of the requirement for TB free communities. Low awareness rates were associated with male students, and a lack of publicity and education.
  • Aticle
    ZHU Wenli
    Chinese Journal of School Doctor. 2025, 39(3): 161-164,179. https://doi.org/10.20161/j.cnki.32-1199/R.20250039
    Nutrition literacy encompasses the collection of knowledge and skills that enable individuals to acquire, comprehend, and process information and services of food nutrition that can be helpful for making food and nutrition decisions. It functions as a bridge connecting individuals, food, and the environment, and holds predictive value for dietary behaviors. Upon the previous studies, this review was undertaken to examine the association between nutrition literacy and dietary behaviors among school-aged children. The findings revealed that the overall nutrition literacy level among school-aged children was linked to healthy dietary behaviors, and enhancing specific facets of nutrition literacy could foster healthier food consumption patterns. Future research endeavors should delve deeper into the associations between various competencies and dietary behaviors, as well as the interplay between children’s nutrition literacy and health outcomes, to furnish scientific basis and clues for the intervention of children’s dietary behaviors and the improvement of children’s nutritional status based on nutrition education.
  • Aticle
    SHI Shaoting, ZHOU Yan, SHA Mingli, LIU Dongbo, QU Yongsong, YU Liang
    Chinese Journal of School Doctor. 2024, 38(12): -2--3,960. https://doi.org/10.20161/j.cnki.32-1199/R.202412240
    Objective This study was aimed at analyzing serum alanine transaminase (ALT) data among newly enrolled students at a secondary vocational school during health check-ups, to provide a basis for schools to develop corresponding prevention and control measures. Methods A total of 7 047 first-year students enrolled at a secondary vocational school in 2017-2023 underwent health examinations. The detection results and trends in asymptomatic serum ALT elevation were analyzed. Results The rate of asymptomatic serum ALT elevation was 0.98%, and showed an increasing trend over the study years. The rate of elevated serum ALT was 1.90% in boys and 0.54% in girls, and showed a significant difference (P<0.05); significant differences were also observed in the rates of asymptomatic serum ALT elevation alone, and asymptomatic serum ALT elevation combined with fatty liver (P<0.05). Conclusion The rate of asymptomatic serum ALT elevation among first-year students at a vocational school increased each year, and rates differed between male and female students.
  • Aticle
    ZI Hui, GAO Hao, LIU Peng
    Chinese Journal of School Doctor. 2024, 38(12): 900-903. https://doi.org/10.20161/j.cnki.32-1199/R.202412246
    Objective This study investigated the positivity rate of hepatitis B virus serum markers in a healthy population in Zhumadian City from 2021 to 2023, and evaluated the immune effects of hepatitis B vaccine, to provide data to support improved immunization strategies and the elimination of viral hepatitis. Methods A multi-stage stratification sampling method was used. From 2021 to 2023, one or two district offices or towns each in one or two counties and districts in Zhumadian were randomly selected. Blood samples were collected from the resident population 1-79 years of age, and serum markers of hepatitis B were detected with ELISA and chemiluminescence for analysis of positivity rates. Results A total of 1 803 individuals were selected from Zhumadian City from 2021 to 2023, and 13 serotypes were detected, among which 3 cases (0.17%) were “Big Three Yang” (HBsAg, HBeAg and HBcAb positive), and 12 cases were “Minor Three Yang” (HBsAg, HBeAb and HBcAb positive), accounting for 0.67%.The positivity rates of HBsAg, HBsAb, HBeAg, HBeAb and HBcAb were 1.50%, 70.88%, 0.17%, 3.22% and 16.69%, respectively. Conclusion The infection rate of hepatitis B in Zhumadian City is very low.
  • Aticle
    WEI Shiyu, YUAN Yuan, REN Min, PANG Chunrong, CHEN Maomei, TU Suhua
    Chinese Journal of School Doctor. 2024, 38(9): 694-697.
    Objective This study explored the application value of chromosomal karyotyping combined with copy number variation sequencing (CNV-seq) in prenatal diagnosis. Methods A total of 976 singleton pregnant women with high risk of fetal chromosomal abnormalities who visited the Southwest Medical University Hospital for amniocentesis from July 2022 to June 2023 were studied. Amniotic fluid samples were subjected to chromosome karyotyping and CNV-seq, and the detection rates of abnormalities were compared between techniques. Results In the 976 amniotic samples, the abnormality detection rate with chromosomal karyotype analysis was 4.30% (42/976), and that with low-depth whole genome sequencing was 10.35% (101/976). CNV-seq detected 66 more cases of chromosome copy number variations (CNVs) than chromosomal karyotyping. Of these, 20 cases were pathogenic copy number variations (pCNVs). Chromosomal karyotype analysis detected six cases of abnormally balanced structure and one case of chimerism not detected by CNV-seq. Combined use of both techniques detected abnormalities in 108 cases, with an abnormality rate of 11.07%. Statistically significant differences were observed in the abnormal detection rates among karyotyping, CNV-seq, and karyotyping combined with CNV-seq (χ2=34.364, P<0.001). The abnormality detection rate was lower with karyotyping than CNV-seq and combined testing, and the differences were statistically significant (χ2=26.267, 31.457, both P<0.001). Conclusions The combined application of karyotyping and CNV-seq is valuable in improving the detection rate of chromosomal microdeletion/microduplication. The combined use of these two techniques has particularly high clinical value when one or both spouses are carriers of balanced karyotype changes.
  • Aticle
    ZHANG Weijia, ZHENG Yanan
    Chinese Journal of School Doctor. 2024, 38(8): 565-567,588.
    Objective This study was aimed at developing a mental health literacy questionnaire for college students, and testing its validity and reliability. Methods The structure of college students’ mental health literacy was analyzed, and a preliminary questionnaire was prepared. A total of 806 college students were selected for item analysis, exploratory factor analysis, confirmatory factor analysis, and internal consistency reliability testing, and 83 were re-selected 1 week later. The validity of the criterion was tested with the attitude questionnaire and the Meaning of Life questionnaire in Chinese. Results The college students’ mental health literacy questionnaire contained 20 items, which were divided into four factors: self-help ability, professional help attitude, psychological stigma attitude, and helping belief. These factors explained 56.03% of the variance, and the load of the four factors ranged from 0.47 to 0.83. Confirmatory factor analysis indicated that the four-factor structure model fit well (χ2/df =2.85, CFI=0.90, TLI=0.88, RMSEA=0.068, SRMR=0.063). The criterion validity test indicated that the total mental health literacy score among college students positively correlated with the total score on the attitude questionnaire of seeking professional psychological help (P<0.01). The internal consistency reliability coefficients of the total questionnaire and four factors ranged from 0.775 to 0.864. The retest reliability ranged from 0.635 to 0.785. Conclusion The college students’ mental health literacy questionnaire had good validity and reliability.
  • Aticle
    JIN Yanyan, MA Liyan
    Chinese Journal of School Doctor. 2024, 38(12): 939-941,959. https://doi.org/10.20161/j.cnki.32-1199/R.202412254
    Objective This study aimed to analyze the distribution characteristics of diseases diagnosed by gastroscopy in pediatric patients with upper gastrointestinal tract symptoms, and to provide novel insights for clinical diagnosis and prevention of the diseases. Methods The gastroscopy results of 399 pediatric patients with upper gastrointestinal symptoms who received gastroscopy in our hospital from January 2022 to August 2023 were analyzed. Among them, 193 cases underwent 13C urea breath test. The 399 pediatric patients included were assigned to pre-school group, school-age group, and adolescence group. The abnormal detection rate of gastroscopy and the positive rate of Helicobacter pylori (Hp) were analyzed in these pediatric patients. Results The abnormal detection rate of gastroscopy in 399 pediatric patients was 79.9%, showing an increasing trend with age (χ2trend=27.227, P<0.001). A total of 16 types of lesions were detected, among which chronic non-atrophic gastritis accounted for the highest proportion (67.1%). The positive rate of Hp in 193 pediatric patients was 65.3%, which also increased with age (χ2trend=13.204, P<0.001). The abnormal detection rate of gastroscopy in Hp-positive pediatric patients was 88.0%. Conclusion Pediatric patients presenting with upper gastrointestinal symptoms show a high rate of abnormalities on gastroscopy, and should receive gastroscopy promptly to identify the disease types.