Table 5.
Multiple Regression Models to Estimate the Egeland Summary Score Difference for Maternal Prenatal and Past-Year Cocaine Use at the 3-Year Follow-Up Visit
| Estimated Differencea | 95% CI | p Value | |
|---|---|---|---|
| Model 1 (n = 342) | |||
| Maternal past-year cocaine use | −0.30 | −0.48, −0.11 | .002 |
| Model 2 (n = 342) | |||
| Prenatal cocaine exposure with maternal past-year cocaine use | −0.36 | −0.56, −0.16 | .001 |
| Prenatal cocaine exposure without maternal past-year cocaine use | −0.14 | −0.31, 0.03 | .108 |
| Model 3 (n = 340) | |||
| Maternal psychological symptoms (GSI score) | −0.04 | −0.12, 0.03 | .233 |
| Prenatal cocaine exposure with maternal past-year cocaine use | −0.35 | −0.55, −0.14 | .001 |
| Prenatal cocaine exposure without maternal past-year cocaine use | −0.14 | −0.31, 0.03 | .096 |
| Model 4 (n = 334) (adjusted for maternal past year alcohol, tobacco, marijuana use) | |||
| Prenatal cocaine exposure with maternal past-year cocaine use | −0.24 | −0.49, 0.01 | .054 |
| Prenatal cocaine exposure without maternal past-year cocaine use | −0.05 | −0.23,0.14 | .621 |
| Model 5 (n = 340) (adjusted for current education, employment, and marital status) | |||
| Prenatal cocaine exposure with maternal past-year cocaine use | −0.30 | −0.51, −0.09 | .006 |
| Prenatal cocaine exposure without maternal past-year cocaine use | −0.11 | −0.27, 0.06 | .198 |
| Model 6 (n = 323) (adjusted for child cognitive status [GCI], blood lead levels, number of caregiver changes, daycare attendance, and special developmental services) | |||
| Prenatal cocaine exposure with maternal past-year cocaine use | −0.34 | −0.55, −0.12 | .003 |
| Prenatal cocaine exposure without maternal past-year cocaine use | −0.18 | −0.35, −0.01 | .044 |
a
Estimated difference associated with prenatal cocaine exposure, controlling for birth covariates. Difference estimates expressed in SD units for the Egeland Summary Score.