Table 1: Body mass index (BMI) categories

(World Health Organization).

Category

Value of BMI

(kg/m2)

Underweight

< 18.5

Desirable

18.5-24.9

Overweight

25.0-29.9

Obesity (grade)

I

30.0-34.9

II

35.0-39.9

III (morbid or extreme obesity)

≥ 40

Adapted from: Purnell JQ.8