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Classification of Overweight and Obesity by BMI |
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Classification of Overweight and Obesity by BMI, Waist Circumference,
and Associated Disease Risks | | | | | Disease Risk* Relative to Normal Weight and Waist Circumference | | | BMI
(kg/m2) | Obesity
Class | Men 102 cm (40 in) or less
Women 88 cm (35 in) or less | Men > 102 cm (40 in)
Women > 88 cm (35 in) | | 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 | 40.0 + | III | Extremely High | Extremely High |
* Disease risk for type 2 diabetes, hypertension, and CVD.
+ Increased waist circumference can also be a marker for increased risk even in persons of normal weight.
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