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. Author manuscript; available in PMC: 2021 Jul 1.
Published in final edited form as: Womens Health Issues. 2020 Jun 8;30(4):231–239. doi: 10.1016/j.whi.2020.05.001

Table 4.

Mediation models predicting postpartum depressive symptoms (dependent variable) using social support (predictor variable) and stress (mediator), N = 1301

Overall Model Direct Effect Indirect Effect
R2 F p-value β (SE) 95% CI β (SE) 95% CI
Model 1: 1-Month Social Support and 6-Month Stress Predicting 12-Month Postpartum Depressive Symptoms
0.23 194.01 < 0.001 −0.13 (0.03) [−0.19, −0.08] −0.14 (0.02) [−0.18, −0.11]
Model 2: 6-Month Social Support and 12-Month Stress Predicting 18-Month Postpartum Depressive Symptoms
0.25 220.30 < 0.001 −0.23 (0.03) [−0.29, −0.17] −0.16 (0.02) [−0.19, −0.13]
Model 3: 12-Month Social Support and 18-Month Stress Predicting 24-Month Postpartum Depressive Symptoms
0.25 213.00 < 0.001 −0.18 (0.03) [−0.24, −0.12] −0.16 (0.02) [−0.20, −0.13]

Note. β = standardized regression coefficients; SE = Standard Error; CI = confidence interval. Degrees of freedom for all overall models = (2, 1298), p < 0.001.