Objective: To investigate the general situation of sleep duration, sleep quality and related risk factors among primary students in Shanghai and to provide evidence for the prevention and control of students sleep health. Methods: By using stratified cluster random sampling method, 3 410 students from 16 primary schools in four urban areas and four suburb areas of Shanghai were selected to conduct sleep health questionnaire survey and physical examination Chi square test was used for group comparison while binary Logistic regression was used to assess possible factors related with sleep quality. Results: The detection rate of sleep insufficiency (<10 h) among students was 93.0%. The detection rate of poor sleep quality was 66.8% with 67.1% in girls and 66.6% in boys. The top three sleep problems were daytime sleepiness(80.9%), irregular sleep duration (74.1%) and sleep anxiety(59.5%). Multivariate Logistic regression analysis showed that everyday moderate-intensity physical activity (OR=1.51, 95%CI=1.04-2.21) and daily walking activity (more than 10 minutes)(OR=1.27, 95%CI=1.08-1.50) were risk factors of poor sleep quality(P<0.05). Conclusion In Shanghai, the prevalence of sleep insufficiency and poor sleep quality among primary students are high. Sleep health was associated with moderate physical activity and walking activity. Increasing the duration of moderate physical activity and daily walking activity is the very important measures in prevention and control of the sleep problems.

Objective: To investigate the establishment of health care institutions and the staffing primary and secondary school health care in Shanghai, and to understand the capacity building needs of health care personnel. Methods: A survey was conducted on all primary and secondary schools in Shanghai from April to August in 2020. The content of the questionnaire covers the establishment of health care institutions, the staffing of school health care centers and the capacity building need of health care personnel. Chi square test was used to compare the difference of the health care institutions setting and staffing by schools and areas. Results: In 2020, there were 1 847 primary and secondary schools in Shanghai (including branches schools). About 51.4% of primary and secondary schools in Shanghai were equipped with school health care personnel in the ratio of the number of students at least 600∶1 , and the staffing compliance rate of urban schools (59.3%) was higher than that of suburban schools (47.3%)( χ 2=24.27, P <0.01). All school health care personnel believed that there are currently few opportunities for capacity buliding services from health facilities. Conclusion School health care institutions in Shanghai are well equipped, but the staffing shortage is substantial, with strong need for capacity building.

Objective: To investigate incidence of traffic injury and its associated factors among secondary school students in Shanghai, so as to provide scientific basis for intervention. Methods: Using the method of multi stage stratified random cluster sampling, an on-the-spot anonymous questionnaire survey was conducted among 19 629 adolescents from 16 districts in Shanghai from May to June 2021. The multivariate Logistic regression was used to analyze possible associated factors. Results: The rate of road traffic injuries among secondary school students in Shanghai was 0.74%, the highest reporting rate among secondary vocational school students (1.35%), followed by junior high school students (0.72%), and the lowest reporting rate of road traffic injuries among senior high school students (0.55%), with statistically significant differences ( χ 2=13.39, P <0.01). The results of multivariate Logistic regression analysis showed that the junior high school ( OR =0.56, 95% CI =0.35-0.89) or senior high school ( OR = 0.40 , 95% CI =0.24-0.68) and residential school ( OR =0.39, 95% CI =0.18-0.88) were protective factors of road traffic injuries( P <0.05). Male ( OR =1.65, 95% CI =1.14-2.37), unaware of seat belt ( OR =6.38, 95% CI =2.81-14.50), had a cycling chase/fight ( OR =2.33, 95% CI =1.39-3.90), music or phone calls on a bicycle ( OR =2.54, 95% CI =1.72-3.75) were positively correlated with road traffic injury( P <0.05). Conclusions The road traffic injury among secondary school students in Shanghai is related to many factors, and traffic hazards are common among students in all school sections. Targeted measures should be taken to strengthen traffic safety knowledge education and intervention in healthy behaviors among adolescents, in order to reduce the incidence of road traffic injury.