Table 1.
Participant characteristics at baseline (n = 5017)
| Total (n = 5017) | iCBT program (n = 2509) | Control (n = 2508) | |
|---|---|---|---|
| N (%) Mean (SD) | N (%) Mean (SD) | N (%) Mean (SD) | |
| Age (mean) | 30.44 (4.6) | 30.37 (4.6) | 30.50 (4.6) |
| Pregnancy week (mean) | 16.89 (1.3) | 16.89 (1.3) | 16.89 (1.3) |
| Educational status | |||
| Junior high school | 148 (2.9) | 76 (3.0) | 72 (2.9) |
| High school | 1792 (35.7) | 908 (36.2) | 884 (35.2) |
| College | 588 (11.7) | 297 (11.8) | 291 (11.6) |
| University | 2283 (45.5) | 1132 (45.1) | 1151 (45.9) |
| Graduate school | 206 (4.1) | 96 (3.8) | 110 (4.4) |
| Employment status | |||
| Unemployed | 1118 (22.3) | 558 (22.2) | 560 (22.3) |
| Student | 31 (0.6) | 15 (0.6) | 16 (0.6) |
| Maternity leave | 314 (6.3) | 166 (6.6) | 148 (5.9) |
| Part‐time | 795 (15.8) | 404 (16.1) | 391 (15.6) |
| Full‐time | 2759 (55.0) | 1366 (54.4) | 1393 (55.5) |
| Partner | |||
| With partner | 4977 (99.2) | 2489 (99.2) | 2488 (99.2) |
| Without partner | 40 (0.8) | 20 (0.8) | 20 (0.8) |
| Planned pregnancy | |||
| Planned | 3581 (71.4) | 1795 (71.5) | 1786 (71.2) |
| Unplanned | 1436 (28.6) | 714 (28.5) | 722 (28.8) |
| Number of children | |||
| Primipara | 3336 (66.5) | 1682 (67.0) | 1654 (65.9) |
| Multipara | 1681 (33.5) | 827 (33.0) | 854 (34.1) |
| Past history of depression | |||
| No | 4312 (85.9) | 2141 (85.3) | 2171 (86.6) |
| Yes | 705 (14.1) | 368 (14.7) | 337 (13.4) |