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Table 2 International classification of adult underweight, overweight and obesity according to BMI

From: Factors affecting diagnosis and management of hypertension in Mazowe District of Mashonaland Central Province in Zimbabwe: 2012

Classification

Measurement (kg/m2)

Underweight

<18.50

Severe thinness

<16.00

Moderate thinness

16.00 – 16.99

Mild thinness

17.00 – 18.49

Normal

18.50 – 24.90

Overweight

≥25.00

Pre-Obese

25.00 – 29.99

Obese

≥30.00

Class I

30.00 – 34.99

Class II

35.00 – 39.99

Class III

≥40

  1. Adapted from WHO, 2000.