Anthropometry (height and weight) at 17 years of age was assessed using a stadiometer (SECA 213, Birmingham, United Kingdom) and body mass (kilogram) using electronic weighing scales (Marsden M-110, Rotherham, United Kingdom) (1 (link), 7 (link)). Body composition (total fat mass and lean mass) was assessed using a dual-energy Xray absorptiometry (GE Medical Systems, Madison, WI, United States) scanner as earlier described (1 (link), 7 (link)). We calculated body mass index by dividing weight by squared height.
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