Type of air pollution exposure and time window | Mean (SD) | 25th percentile | 75th percentile | IQR |
---|---|---|---|---|
PM2.5 | ||||
Pregnancy | ||||
Trimester 1 | 14.3 (5.5) | 9.6 | 18.2 | 8.6 |
Trimester 2 | 14.2 (5.1) | 9.6 | 17.9 | 8.3 |
Trimester 3 | 14.2 (5.7) | 9.1 | 18.3 | 9.2 |
Entire pregnancy | 14.3 (2.3) | 12.6 | 15.8 | 3.2 |
Childhood | ||||
Day of follow-up visit | 11.2 (8.3) | 4.8 | 15.1 | 10.3 |
Day before follow-up visit | 12.1 (10.2) | 4.5 | 15.9 | 11.4 |
Week before follow-up visit | 13.0 (7.5) | 7.3 | 17.7 | 10.4 |
Average childhood exposure | 12.6 (1.1) | 11.9 | 13.3 | 1.4 |
NO2 | ||||
Pregnancy | ||||
Trimester 1 | 19.9 (6.0) | 15.2 | 24.3 | 9.1 |
Trimester 2 | 19.8 (6.2) | 15.0 | 24.1 | 9.1 |
Trimester 3 | 19.6 (6.2) | 14.7 | 23.7 | 9.0 |
Entire pregnancy | 19.7 (4.4) | 16.5 | 22.7 | 6.2 |
Childhood | ||||
Day of follow-up visit | 17.0 (8.7) | 10.5 | 21.3 | 10.8 |
Day before follow-up visit | 17.2 (9.5) | 9.7 | 22.8 | 13.1 |
Week before follow-up visit | 17.2 (7.2) | 11.7 | 21.7 | 10.0 |
Average childhood exposure | 17.2 (3.4) | 14.6 | 19.3 | 4.7 |