Table 3.
Change in Sleep Subscale Scores from Six Weeks to Seven Months Postpartum Predicting Seven Month Depressive Symptoms
| Variable | Betaa | SE | P-value |
|---|---|---|---|
| Baseline PHQ-9 (Depressive Symptoms)b | 0.418 | 0.082 | .000 |
| Breastfed at Birth | 0.067 | 1.033 | .381 |
| Condition | 0.189 | 0.548 | .016 |
| PSQI Change Score -Daytime Dysfunction | 0.370 | 0.308 | .000 |
| Baseline PHQ-9 (Depressive Symptoms)b | 0.341 | 0.084 | .000 |
| Breastfed at Birth | 0.042 | 1.075 | .595 |
| Condition | 0.178 | 0.573 | .030 |
| PSQI Change Score -Sleep Latency | 0.279 | 0.409 | .001 |
| Baseline PHQ-9 (Depressive Symptoms)b | 0.376 | 0.081 | .000 |
| Breastfed at Birth | 0.078 | 1.046 | .317 |
| Condition | 0.214 | 0.554 | .007 |
| PSQI Change Score -Sleep Quality | 0.345 | 0.496 | .000 |
aBetas are standardized linear regression coefficients
bSleep question removed from PHQ-9