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Diagnostic Value of Bioelectrical Impedance Analysis versus Body Mass Index for Detection of Obesity among Students

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Author(s): Seyed-Taghi Heydari | Seyed-Mohammad-Taghi Ayatollahi | Najaf Zare

Journal: Asian journal of Sports Medicine
ISSN 2008-000X

Volume: 2;
Issue: 2;
Start page: 68;
Date: 2011;
Original page

Keywords: Body Mass Index | Bioelectrical Impedance | Obesity | Students | Body Fat

ABSTRACT
Purpose: Obesity is a common nutritional problem in both developed and developing countries. The aim of this study was to determine the prevalence of overweightness and obesity using both bioelectrical impedance analysis (BIA) and body mass index (BMI).  Methods: In this cross-sectional study, 288 healthy college students were selected. Socio-economic status questionnaires were completed and subjects' anthropometric features were measured by a trained nurse. BMI was calculated and body fat mass (BFM) and body fat percent (BF%) were obtained using BIA method by hand­-to-hand Omron BF-500 set. Results: Mean age of the subjects was 21.1±1.7 years. Based on BMI, 2.6% of males and 2.2% of females were obese while 15.7% and 9.6% were diagnosed to be overweight respectively. The correlation between BMI values and BFM were 0.883 and 0.908 in males and females respectively (P

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