Supplementary Table 1: Classification of body mass index.

Classification

BMI (Kg/m2)

Under weight

< 18.5

Normal weight

18.5-24.9

Over weight

25-29.9

Obesity

 

Class 1

30-34.9

Class 2

35-39.9

Class 3

≥ 40

Adapted from World Health Organization, 2000 [5].
Abbreviations: BMI: Body Mass Index.