Table 2 Prevalence of thinness categories based on the IS cut-offs and the WHO cut-offs

<18.5 kg/m² *

22.5 (21.9 - 23.2)

20.3 (19.7 - 20.9)

21.4 (21.0 - 21.9)

<17.0 kg/m² *

6.2 (5.8 - 6.6)

6.6 (6.2 - 7.0)

6.4 (6.2 - 6.7)

<16.0 kg/m² *

1.6 (1.4 - 1.8)

2.3 (2.1 - 2.6)

2.0 (1.8 - 2.1)

<-1 SD

27.8 (27.1 - 28.5)

23.7 (23.0 - 24.3)

25.7 (25.2 - 26.2)

<-2 SD

7.7 (7.3 - 8.1)

5.7 (5.4 - 6.1)

6.7 (6.4 - 7.0)

<-3 SD

1.4 (1.2 - 1.6)

1.0 (0.9 - 1.2)

1.2 (1.1 - 1.3)