Table 1 Baseline demographic characteristics
|  | Non-randomised trial (selected population) (n = 20) | Randomised trial (universal population) (n = 32) | Randomised trial - intervention group (n = 17) | Randomised trial – care as usual group (n = 15) |
|---|---|---|---|---|
Age | Â | Â | Â | Â |
Mean (SD) | 33.70 (1.29) | 32.39 (0.65) | 30.81 (0.75) | 34.08 (0.90) |
Parity | Â | Â | Â | Â |
No prior births | 10/20 (50.0) | 27/32 (84.4) | 16/17 (94.1) | 11/15 (73.3) |
1 or more prior births | 10/20 (50.0) | 5/32 (15.6) | 1/17 (5.9) | 4/15 (26.7) |
Employment status | Â | Â | Â | Â |
Paid work | 13/20 (65.0) | 29/32 (90.6) | 16/17 (94.1) | 13/15 (86.7) |
Not in paid work | 7/20 (35.0) | 3/32 (9.4) | 1/17 (5.9) | 2/15 (13.3) |
Education level | Â | Â | Â | Â |
Higher university degree | 5/20 (25.0) | 14/32 (43.8) | 6/17 (35.3) | 8/15 (53.3) |
University degree | 10/20 (50.0) | 13/32 (40.6) | 7/17 (41.2) | 6/15 (40.0) |
Below university education | 5/20 (25.0) | 5/32 (15.6) | 4/17 (23.5) | 1/15 (6.7) |
Relationship status | Â | Â | Â | Â |
Married | 16/20 (80.0) | 21/32 (65.6) | 12/17 (70.6) | 9/15 (60.0) |
Living with partner | 2/20 (10.0) | 10/32 (31.3) | 4/17 (23.5) | 6/15 (40.0) |
Single | 2/20 (10.0) | 1/32 (3.1) | 1/17 (5.9) | 0/15 |
Born in Australia | Â | Â | Â | Â |
Yes | 8/20 (40.0) | 16/32 (50.0) | 7/17 (41.2) | 9/15 (60.0) |
No | 12/20 (60.0) | 16/32 (50.0) | 10/17 (58.8) | 6/15 (40.0) |
English first language | Â | Â | Â | Â |
Yes | 17/20 (85.0) | 26/32 (81.3) | 12/17 (70.6) | 14/15 (93.3) |
No | 3/20 (15.0) | 6/32 (18.7) | 5/17 (29.4) | 1/15 (6.7) |
Trimester at enrolment | Â | Â | Â | Â |
First | 0 | 8/32 (25.0) | 3/17 (17.7) | 5/15 (33.3) |
Second | 9/20 (45.0) | 20/32 (62.5) | 12/17 (70.6) | 8/15 (53.3) |
Third | 11/20 (55.0) | 4/32 (12.5) | 2/17 (11.8) | 2/15 (13.4) |