Table 2— Classification of overweight and obesity by BMI, waist circumference, and associated disease risk
|
BMI (kg/m2) |
Obesity class |
Disease risk*
|
WC: men  40 inches; women 35 inches |
WC: men  40 inches; women 35 inches |
|
| Underweight |
<18.5 |
|
|
|
| Normal |
18.5–24.9 |
|
|
|
| Overweight |
25.0–29.9 |
|
Increased |
High |
| Obesity |
30.0–34.9 |
I |
High |
Very high |
|
35.0–39.9 |
II |
Very high |
Very high |
| Extreme obesity |
40 |
III |
Extremely high |
Extremely high |
|
* Disease risk for type 2 diabetes, hypertension, and CVD. Adapted from ref. 9. WC, waist circumference.