Table 3.

 z scores corresponding to BMI 17 at age 18 by sex across datasets

Country	Males			Females
	Centile	z score		Centile	z score
Brazil	3	−1.9		2	−2.0
Great Britain	2	−2.2		2	−2.0
Hong Kong	9	−1.3		6	−1.6
Netherlands	2	−2.2		3	−1.9
Singapore	6	−1.5		9	−1.3
US	1	−2.4		3	−2.0