Dietary bisphenols exposure as an influencing factor of body mass index

Table 1 General characteristics of cases and controls according to sex

		Males (n = 159)			Females (n = 144)
		Controls (n = 93)	Cases (n = 66)	p-value	Controls (n = 86)	Cases (n = 58)	p-value
Age, years	Median	7.00	9.07	< 0.001^a	7.08	9.04	0.002^a
Age, years	IQR	5.05 – 8.55	7.06 – 11–01	< 0.001^a	5.12 – 9.04	7.08 – 11.01	0.002^a
Parental education level (%)				< 0.001^b			< 0.001^b
Up to primary		5.4	21.5		3.6	12.7
Secondary		19.6	35.4		17.9	41.8
University		75.0	43.1		78.6	45.5
Energy intake, Kcal/day	Median	2070.49	2218.53	0.383^a	2101.89	1889.10	0.120^a
Energy intake, Kcal/day	IQR	1765.52 – 2335.86	1740.13 – 2558.93	0.383^a	1760.74 – 2451.22	1547.26 – 2277.57	0.120^a
Physical activity (out-of-school) (%)	No	21.5	53	< 0.001^b	32.6	62.1	0.090^b
Physical activity (out-of-school) (%)	Yes	78.5	47	< 0.001^b	67.4	37.9	0.090^b
Smoking among members of the family unit (%)	No	92.5	53	< 0.001^b	83.7	62.1	0.003^b
Smoking among members of the family unit (%)	Yes	7.5	47	< 0.001^b	16.3	37.9	0.003^b
Body fat percentage	Median	18.20	33.55	< 0.001^a	21.70	33.65	< 0.001^a
Body fat percentage	IQR	15.65 – 20.70	28.63 – 38.08	< 0.001^a	19.70 – 23.50	30.18 – 39.10	< 0.001^a

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