dietary predictors of overweight and obesity in iranian adolescents

Authors

nimah bahreini esfahani department of community nutrition, food security research center, school of nutrition and food science, isfahan university of medical sciences, isfahan, ir iran; department of community nutrition, food security research center, school of nutrition and food science, isfahan university of medical sciences, isfahan, ir iran. tel: +91-33048537

neda ganjali dashti department of civil engineering, universiti teknologi petronas, perak, malaysia

marjan ganjali dashti school of biological science, universiti sains malaysia, penanag, malaysia

mohd ismail noorv department of nutrition and dietetics, school of healthcare sciences, faculty of health sciences, university of kebangsaan malaysia, kuala lumpur, malaysia

abstract

conclusions this study showed significant associations between the seven dietary patterns and overweight and obesity among adolescents. using dietary patterns within adolescents can provide important information on dietary consumption, and this approach is clearer and much easier to follow. patients and methods a total of 840 students, ages 15 - 17, from six schools were enrolled in this cross-sectional study. a diet-patterns approach often has been used to describe the eating patterns in adolescents. height, weight, and waist circumference anthropometric indices, physical activity, waist hip ratio, and bmi measurements were determined. daily dietary data and weighed food records were collected in 2010 and 2011. abdominal obesity was defined according to world health organization guidelines, and the relationship between dietary predictor variables and the measures of adiposity were determined by using linear regression. usual dietary intakes were assessed in an experimental study of esfahani students. results in total, 38.5% of girls and 32.2% of boys had a western dietary pattern as the more prevalent pattern. the diet quality of adolescents with the lowest score on each dietary pattern was compared with those recording the highest scores. those with the western dietary pattern score were less likely to exercise and had a higher prevalence of general obesity. adolescents in the greater quartile of the mediterranean dietary patterns had the lowest odds of being overweight (or 0.50, 95%; ci 0.27 - 0.73) and obese (or 0.48, 95%; ci 0.15 - 0.80) than those in the lower quartile, whereas those in the greater quartile of the western dietary pattern had the highest odds of being overweight (or 1.69, 95%; ci 1.10 - 2.04) and obese (or 1.44, 95% ci 1.05 - 1.84). higher consumption of a western dietary pattern and a salty dietary pattern were associated significantly with obesity (p < 0.05). intake of a western dietary pattern and a salty–sweet dietary pattern were associated positively with measures of adiposity, namely body mass index and waist circumference. background considering both diet and energy expenditures possess some influence on weight status, research into dietary determinants of obesity is challenging but essential to rational planning of well-organized interventions to avoid obesity. objectives this study aimed to determine whether dietary factors were predictive of overweight and obesity in adolescents in the iranian population.

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Journal title:
iranian red crescent medical journal

جلد ۱۸، شماره ۹، صفحات ۰-۰

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