| Risk of Associated Disease According to BMI and Waist Size | |||
| BMI | Waist less than or equal to 40 in. (men) or 35 in. (women) | Waist greater than 40 in. (men) or 35 in. (women) | |
| 18.5 or less | Underweight | -- | N/A |
| 18.5 - 24.9 | Normal | -- | N/A |
| 25.0 - 29.9 | Overweight | Increased | High |
| 30.0 - 34.9 | Obese | High | Very High |
| 35.0 - 39.9 | Obese | Very High | Very High |
| 40 or greater | Extremely Obese | Extremely High | Extremely High |