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Table 3 Obesity phenotypes based on BMI classification

From: Identification of multiple gene-gene interactions for ordinal phenotypes

WHO classification Ordinary Category
OD
Binary Category
   B1 B2
Normal 18.5 ≤ BMI < 25 Normal Normal Non-obese
Pre-obese 25 ≤ BMI < 30 Pre-obese Overweight  
Obese class I 30 ≤ BMI < 35 Mild obese   Obese
Obese class II 35 ≤ BMI < 40 Severe obese   
Obese class III BMI ≥ 40