Table 4. Z score distribution of weight, height and body mass index (BMI) among preschool children in the city of Taubaté, state of São Paulo, Brazil, 2009, according to their sex.

Z scores	Female			Male
	Mean	Standard deviation	Median	Mean	Standard deviation	Median
Weight/height	0.5	? 1.2	0.5	0.5	? 1.3	0.4
Height/age	- 0.1	? 1.0	0.0	0.0	? 1.1	- 0.1
Weight/age	0.3	? 1.2	0.3	0.3	? 1.2	0.2
BMI/age	0.5	? 1.2	0.5	0.5	? 1.3	0.4