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Table 1
Socio-demographical and anthropometric characteristics of study participants
	All		Girls			Boys
	OW	NW	All	OW	NW	All	OW	NW
n	94	51	78	54	24	67	40	27
Age (years)	7.6 ± 1.1	7.3 ± 1.1	7.5 ± 1.1	7.5 ± 1.1	7.5 ± 1.2	7.5 ± 1.0	7.7 ± 1.0	7.2 ± 0.9^c
Ethnicity (%)
caucasian	70	73	68	69	67	75	73	77.8
asiatic	30	25	31	31	29	25	27	22.2
black	-	2	1	-	4	-	-	-
Graduation mothers (%)
< 10 years	28	20	24	26	21	25	30	18
= 10 years	23	35	33	30	42	21	15	30
> 10 years	49	45	42	44	37	54	55	52
Graduation fathers (%)
< 10 years	31	31	29	26	38	33	38	26
= 10 years	25	22	21	26	8	28	25	33
> 10 years	44	47	50	48	54	39	37	41
Primary attachment figure (%)
Mother	76	75	77	74	83.3	74	79	67
Father	2	6	4	4	4.2	3	0	8
Others	22	19	19	22	12.5	23	21	25
Mothers’ BMI (kg/m²)	27.6 ± 6.5	23.6 ± 4.0^a	26.6 ± 6.1	27.3 ± 6.6	24.9 ± 4.7	25.7 ± 6.0	27.9 ± 6.6	22.5 ± 2.8^c
Fathers’ BMI (kg/m²)	28.8 ± 4.9	27.3 ± 3.8	28.3 ± 4.8	29.0 ± 5.0	26.9 ± 3.9	28.2 ± 4.4	28.5 ± 4.8	27.7 ± 3.8
Weight (kg)	36.1 ± 7.2	26.7 ± 3.9^a	33.0 ± 7.2	35.3 ± 7.1	27.9 ± 4.2^b	32.5 ± 8.3	37.1 ± 7.4	25.5 ± 3.4^c,d
Height (m)	1.30 ± 0.1	1.26 ± 0.07^a	1.29 ± 0.09	1.29 ± 0.1	1.28 ± 0.07	1.28 ± 0.09	1.31 ± 0.09	1.24 ± 0.07^c,d
BMI (kg/m²)	21.2 ± 2.1	16.8 ± 1.2^a	19.8 ± 2.6	21.0 ± 2.1	17.0 ± 1.4^b	19.4 ± 3.0	21.4 ± 2.1	16.5 ± 1.0^c
BMI-SDS	1.89 ± 0.47	0.44 ± 0.58^a	1.41 ± 0.81	1.81 ± 0.47	0.50 ± 0.67^b	1.35 ± 0.93	2.00 ± 0.46^b	0.38 ± 0.48^c

Values are means ± SD. ^ap < 0.05 in comparison to all OW children. ^bp < 0.05 in comparison to OW girls. ^cp < 0.05 in comparison to OW boys. ^dp < 0.05 in comparison to NW girls. OW, overweight, NW, normal weight.

Maier et al. Nutrition Journal 2013 12:14 doi:10.1186/1475-2891-12-14

Table 1