Journal
PUBLIC HEALTH NUTRITION
Volume 12, Issue 6, Pages 774-782Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S1368980008002991
Keywords
Optimal physical activity; Body mass index; Obesity; Schoolchildren; Sleep; Parental education
Funding
- Israeli Ministry of Health
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Objective: To describe the relationships between physical activity, lifestyle determinants and obesity in adolescent Israeli schoolchildren. Design and setting: Cross-sectional survey. Subjects: The MABAT Youth Survey was a nationally representative, school-based study of youth in grades 7 to 12 (ages 11-19 years). Methods: Self-administered questionnaires assessed health behaviours and anthropometric indices were measured. Logistic regression analysis was used to examine the associations between obesity, physical activity, socio-economic status and other lifestyle habits. One-way ANOVA was used to determine me-an physical activity levels (MET values) by BMI categories. Results: The Prevalence of overweight was 13-15% and of obesity 4-9% depending on gender and ethnicity, and was higher among the non-Jewish sectors. Thirty-six per cent and 57% of Jewish girls and boys, and 40% and 58% of non-Jewish girls and boys, respectively, were optimally active. Boys from low socio-economic schools and those who slept for less than 6 h at night were less active. Girls from middle school were found to be 53% more optimally physically active among Jews, and 89% more among non-Jews, compared with girls from high school (P = 0.001); girls with less educated parents were also less physically active, No clear relationship was found between the level of obesity and physical activity. Conclusions: Physical inactivity was strongly related to gender, age, social status, sleeping habits, hookah smoking, and parental educational status. Education and intervention programmes should focus on these risk factors.
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