Abstract
Methods: A total of 477 adolescent girls aged 15 to 18 years were recruited from Mashhad high schools. Socio-demographic characteristics were assessed using a self-administered questionnaire. Anthropometric assessments, blood pressure measurement and biochemical assessment were performed. Total and regional fat mass were determined by bio-impedance analysis. Cardiovascular disease risk factors were assessed in relation to body fat measures with adjustment for confounder factors including age and family socioeconomic status.
Findings: The prevalence of overweight and obesity was 14.6% and 3.4% respectively; 16% of study population had greater fat mass compared to its ideal distribution. The majority of cardiovascular risk factors, especially systolic and diastolic blood pressure, triglyceride concentration, CRP and fasting blood sugar were significantly higher in group with a high body fat when compared to those with normal and low values. All anthropometric indices showed significant correlation with fat mass, fat free mass, total and regional body fat percent (P<0.001). After adjustment for age and family socioeconomic status, a high fat mass especially, truncal fat, was positively associated with triglyceride and blood pressure.
Conclusion: Adiposity, especially truncal adiposity, which can be assessed by simple measures such as Body Mass Index (BMI) and Waist Circumference (WC) may predispose adolescent girls for demonstration of metabolic abnormalities and consequently cardiovascular diseases.
Keywords
Body composition Hyperlipidemia Childhood Obesity Girls Trunk fat
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