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Table 3 Change in Sleep Subscale Scores from Six Weeks to Seven Months Postpartum Predicting Seven Month Depressive Symptoms

From: The effect of sleep pattern changes on postpartum 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
  1. aBetas are standardized linear regression coefficients
  2. bSleep question removed from PHQ-9