Table 2: Frequency of BMI values according to the National Institutes of Health classification and WHO suggestions.

BMI ( kg/m2 ) female % male % group
underweight < 18,5 0 0 0
normal weight 18,5 - 24,9 13,5 7,7 10,4
overweight 25,0 - 29,9 27,3 38,5 33,3
obesity I 30,0 - 34,9 22,8 34,6 29,2
obesity II 35 - 39,9 27,3 11,5 18,8
Extreme obesity 40,0 + 9,1 7,7 8,3