Body mass index was categorized into
four levels; less than 18.5 (kg/m2) was lean,
18.5-24.9 was normal, 25-29 was overweight,
and more than 30 was obese.9 Percent body
fat was categorized into three levels in both
sexes ; for males, less than 12% was below
average, 12-18% was average, and more
than 18% was above average; for females,