Table 2:
Direct and indirect effects of mediation testing while adjusting for baseline measures and covariates (N = 338: 212 intervention and 126 comparison).
| B (SE) | B (95% CI) | p-value | β | POMP | |
|---|---|---|---|---|---|
| Total Effect of Intervention | |||||
| Intervention → Depressive symptoms_T2 | −2.42 (1.00) | −4.37, −0.46 | 0.015 | −0.11 | −4.31% |
| Direct Effects | |||||
| Intervention → Autonomous motivation_T2 | 0.12 (0.08) | −0.04, 0.29 | 0.145 | 0.07 | 1.88% |
| Intervention → Coping self-efficacy_T2 | 0.30 (0.06) | 0.19, 0.41 | < 0.001 | 0.25 | 7.40% |
| Intervention → Emotional coping_T2 | 0.15 (0.05) | 0.05, 0.24 | 0.003 | 0.18 | 3.81% |
| Autonomous motivation_T2 → Depressive symptoms_T2 | 1.70 (0.71) | 0.30, 3.09 | 0.017 | 0.13 | 3.02% |
| Coping self-efficacy_T2 → Depressive symptoms_T2 | −4.80 (1.37) | −7.48, −2.12 | < 0.001 | −0.25 | −8.56% |
| Emotional coping_T2 → Depressive symptoms_T2 | −1.77 (2.82) | −7.29, 3.76 | 0.53 | −0.06 | −3.15% |
| Indirect Effects (Mediation) | |||||
| Intervention → Autonomous motivation_T2 → Depressive symptoms_T2 | 0.21 (0.18) | −0.15, 0.57 | 0.256 | 0.01 | 0.37% |
| Intervention → Coping self-efficacy_T2 → Depressive symptoms_T2 | −1.42 (0.46) | −2.33, −0.51 | 0.002 | −0.06 | −2.53% |
| Intervention → Emotional coping_T2 → Depressive symptoms_T2 | −0.26 (0.43) | −1.10, 0.59 | 0.555 | −0.01 | −0.45% |
| Direct Effect | |||||
| Intervention → Depressive symptoms_T2 | −0.95 (1.02) | −2.95, 1.06 | 0.355 | −0.04 | −1.68% |
| Other Paths | |||||
| Postpartum → Depressive symptoms_T2 | 0.48 (0.35) | −0.21, 1.17 | 0.171 | 0.06 | 0.85% |
| Depressive symptoms_T1 → Depressive symptoms_T2 | 0.61 (0.07) | 0.47, 0.76 | < 0.001 | 0.57 | 1.09% |
| Autonomous motivation_T1 → Autonomous motivation_T2 | 0.65 (0.07) | 0.51, 0.78 | < 0.001 | 0.65 | 9.90% |
| Coping self-efficacy_T1 → Coping self-efficacy_T2 | 0.79 (0.08) | 0.64, 0.95 | < 0.001 | 0.65 | 19.77% |
| Emotional coping_T1 → Emotional coping_T2 | 0.80 (0.09) | 0.61, 0.98 | < 0.001 | 0.84 | 20.94% |
Note. B = unstandardized parameter estimate; B = standardized parameter estimate; SE = standard error; CI = confidence interval; POMP = proportion of maximum possible scores in the endogenous variable with per unit change in each exogenous variable; T1 = baseline; T2 = immediately after the 16-week intervention.