Table 3. Maternal lifestyle, chemical exposure and dietary habits during pregnancy.

	n	Detected As	n	Non-DetectedAs	p-value
Maternal tobacco smoke exposure (yes), (%)
Smoke before pregnancy	4	17.4	12	29.3	0.292
Smoke during pregnancy	0	0	8	17.0	0.021
Exposed to tobacco smoke during pregnancy	2	9.5	15	39.5	0.015
Father smoking during pregnancy	4	14.8	17	37.0	0.044
Drug abuse (yes), (%)	0	0	0	0	NA
Alcohol consumption (yes), (%)	0	0	1	2.1	0.429
Medicine use (yes), (%)	25	86,2	40	85,1	0.895
Antidepressants	2	7.4	0	0	0.059
Vitamin supplements	8	30.8	5	11.4	0.044
Antibiotics	0	0	8	18.2	0.021
Chemical exposure (yes), (%)
At work	4	13.8	6	12.5	0.870
At hobby	3	10.3	0	0	0.026
Live near pollutant areas	4	14.3	6	12.8	0.851
Use of pesticides in the yard	5	18.5	4	11.4	0.432
Use of head lice treatment	1	3.6	2	4.3	0.870
Use of mothballs	0	0	3	6.5	0.168
Use of products to control fleas on your pet	9	32.1	18	39.1	0.545
Water source (%)
Private well	1	3.3	1	2.0	0.582
Running water	4	13.3	11	22.4
Mineral water	25	83.3	37	75.5
Diet (times per week), mean (SD)
Full-Fat Milk	11	14,5 (6.1)	20	13,7 (6.1)	0.714
Fat-Free Milk	17	14,3 (10.0)	29	14,1 (6.3)	0.906
Fruit	28	9,5 (6.9)	47	7,6 (4.5)	0.140
Vegetables	28	6,5 (3.3)	47	4,9 (2.8)	0.031
Eggs	28	2,1 (1.0)	46	3,0 (2.0)	0.039
Butter and/or Margarine	16	4,1 (2.4)	26	3,6 (2.5)	0.541
Legume and Rice	27	1,9 (1.6)	42	1,7 (1.0)	0.452
Nuts	10	2,3 (1.8)	13	1,9 (1.2)	0.564
Red Meat	24	1,8 (1.7)	43	1,9 (0.8)	0.812
Processed Meat (bacon, hamburguer, Frankfurt sausage)	4	2,0 (0.8)	12	1,2 (0.4)	0.033
White Meat	26	1,8 (0.8)	46	2,1 (0.8)	0.169
Fish	27	1,9 (0.8)	36	1,8 (0.7)	0.587
Precooked Food	8	2,1 (1.3)	14	1,6 (1.1)	0.306
Canned Food	24	2,0 (0.9)	36	2,0 (1.5)	0.935
Commercial Juice	16	6,2 (3.2)	38	6,4 (4.9)	0.877
Soft Drinks	10	3,3 (2.3)	21	5,2 (4.3)	0.198

NA: Not applicable.

Chi-square test; p<0.05.