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Association of dietary behaviors with physical activity in a nationally representative sample of children and adolescents: The CASPIAN IV study
6th World Congress on Obesity
Delara Salehifar, Roya Kelishadi, Ramin Heshmat, Razieh Lotfi, Delara Salehifar, Mohammad Esmaeil Motlagh, Gelayol Ardalan, Hamid Asayesh and
Mostafa Qorbani
Isfahan University of Medical Sciences, Iran
Tehran University of Medical Sciences, Iran
Alborz University of Medical Science, Iran
Ministry of Health and Medical Education, Iran
Ahvaz University of Medical Sciences, Iran
Qo
Nutritional health and adequate physical activity (PA), especially in childhood have a substantial role in health. This study assessed
the association of dietary behaviors (main courses and snacks intake) with PA in children and adolescents as a part of a larger
national study. Using multistage random cluster sampling method, a representative sample of 14880 school students were selected
from urban and rural areas of 30 provinces of Iran (2011-2012). Through a validated questionnaire, daily consumption of main
course (breakfast, lunch, and dinner) as well as daily consumption of different snacks and health foods (fast foods, milk, vegetables,
dry fruits, fresh fruits, sweetened beverages, salty snacks and sweets) were recorded for every participants. Information of past week
weekly frequency of leisure time PA was collected. Overall, 13486 out of 14880 students (response rate: 90.6%) participated in this
survey. Participants consisted of 6640 (49.2%) girls and 75.6% urban residents; their mean and standard deviation (SD) age was 12.47
(3.36) years. Daily consumption of fresh fruits (OR: 1.35, 95%CI: 1.20-1.52), dried fruits (OR: 1.21; 95%CI: 1.06-1.40), vegetable (OR:
1.39; 95% CI: 1.24-1.56), and milk (OR: 1.35; 95% CI: 1.21-1.52) increased the risk of vigorous PA compare to mild PA in adjusted
model. Skipping the breakfast, lunch and dinner decreased the risk of moderate and vigorous PA compare to mild PA (P<0.05).
Present study showed that dietary behaviors are associated with PA level in Iranian adolescents. Findings should be used for better
evidence based planning of health promotional programs in these age groups.