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Revista de Salud Pública

Print version ISSN 0124-0064

Abstract

MARCOS-DACCARETT, Nydia J. et al. Obesity as risk factor for metabolic disorder in Mexican adolescents, 2005. Rev. salud pública [online]. 2007, vol.9, n.2, pp.180-193. ISSN 0124-0064.  http://dx.doi.org/10.1590/S0124-00642007000200003.

Objective Determining the prevalence and estimating the risk of obesity for dyslipidemia and hyperinsulinemia in adolescents. The existence of a linear association betweenanthropometric measures, lipids and insulin was also evaluated. Material and Methods A comparative study was carried out amongst obese (body mass index=BMI >95th percentile for age and gender; n=120) and non-obese adolescents (BMI <85th percentile for age and sex; n=120) aged 10-19. A structured questionnaire was used for collecting anthropometric and demographic data. Glucose, insulin and lipid profiles were obtained for each adolescent. Results Prevalence of at least one dyslipidemia was 56,6 % among obese adolescents and 20,8 % amongst non-obese ones (p<.001). The former registered 50 % prevalence of hyperinsulinemia, the latter 4 % (p<.001). Obesity increased hyperinsulinemia risk having a 23 odds ratio (8.3-68.9 95 % CI) and for at least one dyslipidemia (OR=5,0; 2,7-9,2 95 % CI). Insulin level significantly correlated with BMI (r=0,57), triglycerides (r=0,57), VLDL (r=0,57), HDL (-0,37), waist-hip circumference index (r=0,29), cholesterol (r=0,22), and LDL (r=0,13). Conclusions Obesity can be considered to be a risk factor for developing metabolic disorders in adolescents. In fact, there was a linear relationship between anthropometric measurement, lipids and insulin. Prevention should focus on improving predisposing environments for obesity amongst families having children and teenagers. Emphasising life-styles and healthy behaviour is essential, as well as training and treatment options for complete care of individuals in this age-group.

Keywords : Obesity; adolescence; risk; dyslipidemia; insulin.

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