Prenatal Exposure to Glycol Ethers and Neurocognitive Abilities in 6-Year-Old Children: The PELAGIE Cohort Study

http://dx.doi.org/10.1289/EHP39



Table 3. Characteristics of the population (n = 204).
Characteristic n (%) Mean ± SD
Maternal factors
Maternal age at conception (years) 204 (100.0) 30.3 ± 4.2
Parity
0 82 (40.2)
≥ 1 122 (59.8)
Education
≤ 12 years 67 (32.8)
> 12 years 136 (66.7)
Missing 1 (0.5)
Body mass index (kg/m2)
≤ 25 164 (80.4)
> 25 39 (19.1)
Missing 1 (0.5)
Fish consumption before pregnancy
Eaten no more than once a week 144 (70.6)
Eaten more than once a week 60 (29.4)
Alcohol consumption during pregnancy
No 175 (85.8)
Yes 25 (12.2)
Missing 4 (2.0)
Tobacco consumption in the households at age 6 years
None 115 (56.4)
≤ 10 cigarettes per day 45 (22.1)
> 10 cigarettes per day 44 (21.5)
Household renovation during childhood likely to expose to organic solvents
No 68 (33.8)
Yes 133 (66.2)
WAIS score 202 (99.0) 93.6 ± 11.22
Urinary creatinine (g/L) 1.06 ± 0.46
Child factors
Sex
Boys 95 (46.6)
Girls 109 (53.4)
Birth weight (g) 3,432 ± 392
Gestational age at birth (weeks) 39.5 ± 1.2
Breastfeeding
None 57 (27.9)
≤ 16 weeks 69 (33.8)
> 16 weeks 77 (37.8)
Missing 1 (0.5)
HOME score 46.3 ± 3.8
Investigator
1 97 (47.6)
2 107 (52.4)