Abstract 14380: Associations of Physical Activity Levels and Adherence to the Mediterranean Diet in Greek Adolescents. Data from the 3L Study
Objectives: Physical activity and adherence to the Mediterranean diet (MD) are key components for the prevention and treatment of cardiovascular diseases. Our aim was to evaluate the relationship between physical activity, dietary habits and lifestyle characteristics among Greek adolescents.
Methods: During 2009, 496 schoolchildren (304 boys and 192 girls), aged 12-17 years participated in the 3L study. All children were subjected to BP measurement on two different occasions during a routine school day. For each child a questionnaire was completed that was developed to retrieve information on dietary habits (through a semi-quantitative Food Frequency Questionnaire) and socio-economic characteristics. Adherence to the MD was assessed by the KIDMED score. Information on the frequency and duration of physical activity was obtained by the short-form of self-administered International Physical Activity Questionnaire-IPAQ. The continuous score was expressed as metabolic equivalents (METs)-min per week which is derived from MET level × minutes of activity per day × days per week.
Results: The study population was classified into two groups according to the KIDMED score: 58.1% of the sample were classified as average (KIDMED score 4-7) or high (KIDMED score>7) adherers of MD, whereas 41.9% had a poor KIDMED score (<4). No difference was observed between the two groups with respect to BP levels, body mass index and waist to hip ratio. Subjects with at least average compared to those with poor KIDMED score had increased METs-vigorous (2.197 vs. 1.389 METs, p<0.001) and total achieved METs (3.169 vs. 2.211 METs, p<0.001), as well as spent significantly less time in TV viewing (by 0.4 hrs, p=0.001) and more time in studying (by 0.2 hrs, p=0.047). KIDMED score was positively correlated to METs-vigorous (r=0.201, p<0.001), total achieved METs (r=0.233, p<0.001), hours spent for studying (r=0.106, p=0.018) and negatively to hours of TV viewing (r=-0.189, p<0.001).
Conclusions: Level of adherence to MD is associated with adoption of an intense physical activity behavior rather than a sedentary lifestyle. The above relationship suggests that focused health actions may promote in parallel an optimal food consumption behavior and an intense physical activity pattern.
- © 2010 by American Heart Association, Inc.