Association of sexual maturation with excess body weight and height in children and adolescents

BMC Pediatrics

Table 2 Hypothesis tests and descriptive statistics of anthropometric variables according to sexual maturation of school children aged 8–14 years from Florianópolis, South of Brazil, 2007

	Sexual maturation classification					Sexual maturation classification
Variables	Early	Normal	Late	p^§	p^†	Early	Normal	Late	p^§	p^†
	Males					Females
	Median (p25; p75)*					Median (p25; p75)*
BMI Z score	0.67 (−0.13; 1.56)	0.53 (−0.17; 1.41)	0.26 (−0.37; 1.11)	<0.001	<0.001	0.60 (0.01; 1.33)	0.14 (−0.40; 0.84)	−0.10 (−0.81; 0.54)	<0.001	<0.001
Height Z score	0.44 (−0.23; 1.30)	0.19 (−0.42; 0.90)	0.02 (−0.61; 0.77)	<0.001	<0.001	0.43 (−0.17; 1.07)	0.03 (−0.46; 0.57)	−0.22 (0.89; 0.61)	<0.001	<0.001
Weight Z score	0.57 (−0.09: 1.44)	0.39 (−0.19; 1.32)	0.14 (−0.38; 1.01)	<0.001	<0.001	0.46 (−0.31; 1.03)	0.24 (−0.70; 0.66)	−0.04 (−0.56; 0.49)	<0.001	<0.001
	%					%
Excess body weight	37.5	37.8	26.9	0.027	<0.001	31.7	19.4	13.4	<0.001	<0.001

*p25 e p75: 25th and 75th percentiles, respectively;
^§Mann–Whitney test (quantitative variables) and Rao-Scott test (qualitative variables).
^†p for trend.

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