Table 1.

BMI classification of South Korea

Classification	BMI (kg/m2)
Underweight	<18.5
Normal	18.5–22.9
Preobese	23–24.9
Obese class Ⅰ	25–29.9
Obese class Ⅱ	30–34.9
Obese class Ⅲ	≥35

BMI, body mass index.