Traffic-Related Air Pollution Exposure in the First Year of Life and Behavioral Scores at 7 Years of Age

http://dx.doi.org/10.1289/ehp.1205555



Table 3. ORs (95% CIs) from logistic regression for associations between “at risk” scores for ADHD-related BASC-2 subscalesa and high versus low ECAT exposure during the first year of life,b stratified by maternal education high school or less vs. more than high school.
BASC-2 scale Lower maternal educationn = 119 Higher maternal educationn = 439
nc Unadjusted
[OR (95% CI)]
Adjustedd
[OR (95% CI)]
p-Value nc Unadjusted
[OR (95% CI)]
Adjustedd
[OR (95% CI)]
p-Value
aBASC-2T-score > 59.bECAT ≥ 40 µg/m3 vs. < 0.40 µg/m3. cNumber with “at risk”T-score and high ECAT.dAdjusted for sex, and age 1 year cigarette exposure. *p < 0.05.
Hyperactivity 18 0.9 (0.4, 1.9) 0.9 (0.4, 2.2) 0.83 29 2.4 (1.4, 4.1)* 2.3 (1.3, 4.1)* 0.003
Attention Problems 20 0.8 (0.4, 1.7) 0.8 (0.3, 1.8) 0.97 21 1.4 (0.8, 2.4) 1.3 (0.7, 2.4) 0.40
Aggression 13 0.7 (0.3, 1.7) 0.6 (0.2, 1.7) 0.34 24 1.9 (1.1, 3.4)* 1.5 (0.8, 2.8) 0.16
Conduct Problems 17 1.3 (0.6, 2.9) 1.1 (0.4, 2.8) 0.88 21 2.2 (1.2, 3.9)* 1.7 (0.9, 3.2) 0.14
Atypicality 18 1.4 (0.6, 3.2) 1.6 (0.6, 4.1) 0.31 17 1.7 (0.9, 3.2) 1.4 (0.7, 2.8) 0.30