Table 2.
Outcomes at 6 months
| Control | PSE | Relative risk, rate ratio, or proportional hazard ratio (95% CI) | |
|---|---|---|---|
| Sample size | |||
| All subjects | n=25 | n=25 | |
| Subjects with sub-threshold baseline depressive symptoms | n=18 | n=18 | |
| Number (%) of subjects to experience moderately severe symptom episode during follow-up period | 11/25 (44) | 6/25 (24) | Relative risk 0.66 (0.39,1.11) |
| Mean number of moderately severe symptom episodes per 6 months of follow-up | 1.19 | 0.52 | Risk ratio 0.41 (0.15,1.17) |
| Time to first symptomatic episode (among mothers with sub-threshold symptoms at baseline) | – | – | Hazard ratio 0.49 (0.18, 1.32) |
| Time averaged difference in mean scores (95% CI) | |||
| Perceived stress scores | |||
| 3-month time point | 9.61 (4.31) | 6.84 (2.50) | −1.27 (−2.68, 0.14) |
| 6-month time point | 8.33 (3.10) | 7.86 (2.63) | |
| Overall social adjustment score | |||
| 3-month time point | 1.97 (0.36) | 1.81 (0.37) | −0.12 (−0.30, 0.07) |
| 6-month time point | 1.97 (0.45) | 1.79 (0.36) | |
| Social adjustment, family domain | |||
| 3-month time point | 1.88 (0.56) | 1.49 (0.43) | −0.17 (−0.43, 0.08) |
| 6-month time point | 1.78 (0.60) | 1.41 (0.42) |
a
The bivariate results for “time to first symptomatic episode” are communicated in the Kaplan–Meier plot; Fig. 2
b
Modeled, time-averaged differences in mean scores incorporate baseline values and account for slightly different sample sizes for each data collection time point