| Classification | BMI (kg/m2) | Risk of co-morbidities | |
|---|---|---|---|
| Waist circumference | |||
| Less Than 90 cm (men) Less Than 80 cm (women) | More Than 90 cm (men) More Than 80 cm (women) | ||
| Underweight | Less than 18.5 | Low (Risk Increased) | Average |
| Normal range | 18.5-22.9 | Average | Increased |
| Overweight | 23-24.9 | Increased | Moderate |
| Obese (Class I) | 25-29.9 | Moderate | Severe |
| Obese (Class II) | 30.0-34.9 | Severe | Very severe |