Table 2.
Descriptive statistics for trimester-specific exposure predictions for the full and restricted birth cohort.
| Cohort | Trimester | Mean ± SD | Min | Max | Correlation with Trimester
|
|
|---|---|---|---|---|---|---|
| First | Second | |||||
| Restricteda | First | 14.4 ± 2.7 | 6.6 | 22 | ||
| Second | 14.5 ± 2.7 | 6.5 | 22 | 0.26 | ||
| Third | 14.6 ± 2.9 | 6.4 | 23 | −0.40 | 0.32 | |
| Statewide | First | 13.4 ± 2.8 | 4.9 | 22 | ||
| Second | 13.5 ± 2.8 | 5.0 | 22 | 0.34 | ||
| Third | 13.7 ± 3.0 | 4.8 | 23 | −0.25 | 0.39 | |
SD indicates standard deviation.
a
Restricted cohort limited to births to mothers residing in a county with a PM2.5 monitor.