Modifiable exposures to air pollutants related to asthma phenotypes in the first year of life in children of the EDEN mother-child cohort study

Table 4 In utero and first year of life exposures to air pollutants sources in the children of the EDEN study population according to gender

Variables	All (N = 1765)		Boys (n = 918)		Girls (n = 847)		P ^*
	n	(%)	n	(%)	n	(%)
*In utero* life
Prenatal maternal smoking	450	25.50	228	24.84	222	26.21	0.48
Traffic-related air pollution	501	28.39	246	26.80	255	30.11	0.10
First year of life
Heavy parental smoking in the last 12 months	227	12.86	113	12.31	114	13.46	0.75
Traffic-related air pollution in the last 12 months	372	21.08	201	21.90	171	20.19	0.61
Dampness in the last 12 months	86	4.87	46	5.01	40	4.72	0.90
Visible moulds in the last 12 months	76	4.31	41	4.47	35	4.13	0.84
Bleaching agents in the last 12 months	102	5.78	50	5.45	52	6.14	0.46
House dust mites in the last 12 months	209	11.84	117	12.75	92	10.86	0.29
Cats in the past 12 months	156	8.84	79	8.61	77	9.09	0.75
Dogs in the past 12 months	117	6.63	65	7.08	52	6.14	0.45
Domestic heating in the last 12 months
Electricity	353	20.00	187	20.37	166	19.60	0.24
Gas	736	41.70	383	41.72	353	41.68
Petroleum	314	17.79	160	17.43	154	18.18
Wood	79	4.48	47	5.12	32	3.78
Others	45	2.55	30	3.27	15	1.77

ISSN: 1471-2458