Justification of measures to improve the effectiveness of preventive work of schools and training of medical and pedagogical personnel for school health care

Objective: on the basis of a study of the health, organization of the daily routine and activities of adolescent schoolchildren to substantiate preventive measures aimed at strengthening their health. Material and methods. A cross-sectional study of health, daily regime and activities of schoolchildren by questionnaire survey was carried out. The research group included 218 students of 8-10 classes (14-17 years old) of Ekaterinburg comprehensive schools, including 34.9% boys and 65.1% girls. The relative scores in percentages, confidence intervals, chi-square test, and odds ratio (OR) with 95% confidence interval were calculated. Results. Schoolchildren do not follow the regime and have low night sleep (67.3%), use electronic devices for a long time (up to 90.4% at weekends), have low physical activity (63.3%), do not follow the diet (28.4%), do not walk (29.6%). Low self-assessment of health have 42.7% of students (girls more often than boys), report various complaints from 20 to 81.2% (more often from the central nervous system). The most significant factors for the health of schoolchildren were the diet, the duration of night sleep, the duration of self-preparation and the use of electronic devices (OR - 2.1-2.7). Conclusion. It is necessary to train the skills of rational organization of the daily routine and time budget, increase physical activity among teenage schoolchildren.