Waist circumference cut-off values for the prediction of cardiovascular risk factors clustering in Chinese school-aged children: a cross-sectional study

Table 1 Characteristics of the population by age and gender

	n	Height (cm)	Weight (kg)	Body mass index (kg/m²)	Waist circumference (cm)
Boys	2830
Age (years)
6	152	120.3 ± 5.0	24.1 ± 4.9 *	16.5 ± 2.5*	54.9 ± 7.2
7	469	124.5 ± 5.3**	25.8 ± 5.7**	16.5 ± 2.9**	56.5 ± 7.0**
8	506	129.0 ± 6.3	28.6 ± 8.1**	17.0 ± 3.6**	59.1 ± 8.4**
9	421	134.6 ± 6.8	33.5 ± 10.8 **	18.3 ± 5.4**	62.2 ± 10.1**
10	550	138.8 ± 6.8*	36.4 ± 10.2**	18.6 ± 3.9**	65.5 ± 10.5**
11	499	143.5 ± 7.3*	40.6 ± 11.4 **	19.5 ± 4.4**	67.6 ± 11.0**
12	233	147.0 ± 7.2*	42.7 ± 12.5	19.5 ± 4.4**	68.0 ± 11.8**
Girls	2699
Age (years)
6	165	119.6 ± 5.0	22.9 ± 4.2	15.9 ± 2.1	53.8 ± 5.5
7	470	123.1 ± 5.7	24.0 ± 4.4	15.8 ± 2.1	54.0 ± 5.4
8	522	128.7 ± 5.9	27.0 ± 5.6	16.2 ± 2.7	56.6 ± 6.6
9	416	133.5 ± 7.1	30.6 ± 7.5	17.0 ± 3.0	59.3 ± 7.6
10	546	138.0 ± 7.1	33.9 ± 9.1	17.6 ± 3.6	61.3 ± 8.9
11	440	144.3 ± 7.3	38.0 ± 9.1	18.1 ± 3.3	62.8 ± 9.0
12	140	148.5 ± 7.3	41.6 ± 10.1	18.7 ± 3.8	64.3 ± 9.0

ISSN: 1471-2458