Objective: To record the prevalence of overweight and obesity in urban primaryschool children in relation to several socio-economic and demographic factors. Design: Cross-sectional. Setting/subjects: A representative sample of 729 schoolchildren (379 male and 350 female), aged 9-13 years, stratified by parental educational level, was examined in the urban region of Athens. Weight and height were measured using standard procedures. The International Obesity Task Force thresholds were used for the definition of overweight and obesity. Several socio-economic and demographic data and the child's 'popularity' score were also recorded with specifically designed standardized questionnaires.
The current nutrition education programme appears to have induced favourable changes for the IG in micronutrients' intake primarily related to bone health and in total fat intake. These changes were reflected in the individual HEI indices but not in total HEI score.
An independent inverse association between serum 25-hydroxyvitamin D levels and dual-energy x-ray absorptiometry measurements of total body and regional fat mass was observed in nonosteoporotic, overweight, postmenopausal women. Further clinical trials are required to come to safe conclusions on whether it is the fat mass that affects serum 25-hydroxyvitamin D levels or vice versa and whether there is a need to also take into account body composition when providing recommendations for vitamin D intake in postmenopausal women.
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