Dietary and non-dietary determinants of central adiposity among Tehrani women

Public Health Nutrition - Tập 11 Số 5 - Trang 528-534 - 2008
Leila Azadbakht1,2, Ahmad Esmaillzadeh1,2
1Department of Nutrition, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
2Food Security and Nutrition Research Center, Isfahan University of Medical Sciences, Isfahan, Iran

Tóm tắt

AbstractObjectiveTo determine the correlates of central adiposity.DesignPopulation-based cross-sectional study.SubjectsA total of 926 women (aged 40–60 years) from all districts of Tehran.MethodsDemographic data were collected and anthropometric indices were measured according to standard protocols. Dietary intakes were assessed by means of a semi-quantitative food-frequency questionnaire. The suggested cut-off point for waist-to-hip ratio (WHR≥0.84) for Tehrani people, adjusted for their age group, was used to determine central adiposity. Logistic regression analysis was used to determine the correlates of WHR, which were adjusted for age, taking medications and body mass index (BMI). The components of dietary intake were determined by factor analysis. Pearson correlation was used to determine the association between the dietary components and WHR. Analysis of covariance was employed to compare the mean values of WHR in different lifestyle groups, with adjustment for BMI and age.ResultsMean WHR was 0.82 ± 0.06. The possibility of being centrally obese was higher in women with light physical activity (odds ratio: 2.11; 95% confidence interval: 1.40–2.53), depressed women (1.36; 1.02–1.93), smokers (1.21; 1.02–1.56) and unemployed women (1.41; 1.13–1.72). Marriage (1.31; 1.10–1.82), menopause (1.22; 1.02–1.61), low vitamin C intake (2.31; 1.25–4.25) and low calcium intake (1.30; 1.07–3.78) were associated with central fat accumulation. Dairy consumption was inversely correlated with central fat accumulation (r= −0.2,P< 0.05).ConclusionCentral adiposity is associated with poor lifestyle factors including low physical activity, depression, smoking, low intake of vitamin C, low intake of calcium and dairy products and high fat consumption. Thus lifestyle modifications should be encouraged to achieve a healthier body shape.

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Public Health Nutrition

Tập 11 Số 5

528-534

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