Table 2.
Summary of empirical FSIQ scores (unadjusted) at age 7-year overall and by exposure profile clusters (n = 255).
| Overall | n | Mean (95% CI) a |
|---|---|---|
| 255 | 103.8 (102.1, 105.6) | |
| Cluster | ||
| CP1 | 59 | 98.6 (95.1, 102.2) |
| CP2 | 52 | 105.0 (101.2, 108.9) |
| CP3 | 50 | 106.7 (102.2, 111.1) |
| CP4 | 17 | 104.4 (97.0, 111.8) |
| CP5 | 43 | 104.8 (101.0, 108.7) |
| CP6 | 3 | 108.3 (84.7, 131.9) |
| CP7 | 18 | 101.4 (94.4, 108.4) |
| CP8 | 13 | 110.0 (102.6, 117.4) |
CI = Confidence Interval. a Unadjusted means and confidence intervals for the entire study population and for each “hard” cluster derived from BPR.