| Complete cases | Multiple imputation* | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Outcome | Participants | Cases | % | Unadjusted OR (95%CI) | P value | Adjusted OR (95%CI) | P value | Unadjusted OR (95%CI) | P value | Adjusted OR (95%CI) (a) | P value |
Antenatal distress | 42,027 | 3378 | 8.0 | Â | Â | Â | Â | Â | Â | Â | Â |
Maternal age group | |||||||||||
 20–34 years | 39,199 | 3119 | 8.0 | 1.0 |  | 1.0 |  | 1.0 |  | 1.0 |  |
  > 35 years | 2184 | 179 | 8.2 | 1.0 (0.9–1.2) | 0.60 | 1.0 (0.8–1.2) | 0.768 | 1.0 (0.9–1.2) | 0.550 | 1.0 (0.8–1.3) | < 0.001 |
  < 20 years | 643 | 79 | 12.3 | 1.7 (1.4–2.2) | < 0.001 | 1.7 (1.0–2.8) | 0.045 | 1.7 (1.4–2.2) | < 0.001 | 1.7 (1.0–2.8) | < 0.001 |
SES category | |||||||||||
 Low | 16,529 | 1566 | 9.5 | 1.0 |  | 1.0 |  | 1.0 |  | 1.0 |  |
 Medium | 19,345 | 1374 | 7.1 | 0.7 (0.7–0.8) | < 0.001 | 0.9 (0.8–1.0) | 0.066 | 0.7 (0.7–0.8) | < 0.001 | 0.9 (0.8–1.0) | < 0.001 |
 High | 4701 | 260 | 5.5 | 0.5 (0.5–0.6) | < 0.001 | 0.7 (0.6–0.9) | 0.004 | 0.5 (0.5–0.6) | < 0.001 | 0.7 (0.6–0.9) | < 0.001 |
CALD group | |||||||||||
 No | 20,668 | 1245 | 6.0 | 1.0 |  | 1.0 |  | 1.0 |  | 1.0 |  |
 Yes | 20,560 | 2078 | 10.1 | 1.8 (1.7–2.0) | < 0.001 | 2.0 (1.8–2.3) | < 0.001 | 1.8 (1.7–2.0) | < 0.001 | 2.0 (1.8–2.2) | < 0.001 |
Supportive partner | |||||||||||
 Yes | 39,735 | 3096 | 7.8 | 1.0 |  | 1.0 |  | 1.0 |  | 1.0 |  |
 No | 1193 | 182 | 15.3 | 3.0 (2.6–3.6) | < 0.001 | 2.9 (2.3–3.7) | < 0.001 | 3.0 (2.5–3.5) | < 0.001 | 2.9 (2.3–3.6) | < 0.001 |
Maternal history of childhood abuse | |||||||||||
 No | 38,020 | 2903 | 7.6 | 1.0 |  | 1.0 |  | 1.0 |  | 1.0 |  |
 Yes | 2803 | 342 | 12.2 | 1.9 (1.7–2.1) | < 0.001 | 1.9 (1.6–2.3) | < 0.001 | 1.9 (1.7–2.1) | < 0.001 | 1.9 (1.6–2.3) | < 0.001 |
Psychological IPV | |||||||||||
 No | 40,367 | 3209 | 7.9 | 1.0 |  | 1.0 |  | 1.0 |  | 1.0 |  |
 Yes | 560 | 71 | 12.7 | 2.2 (1.7–2.8) | < 0.001 | 1.2 (0.8–1.9) | 0.312 | 2.2 (1.7–2.8) | < 0.001 | 1.3 (0.9–2.0) | 0.166 |
Physical IPV | |||||||||||
 No | 40,529 | 99 | 0.2 | 1.0 |  | 1.0 |  | 1.0 |  | 1.0 |  |
 Yes | 700 | 142 | 14.1 | 2.4 (1.9–2.9) | < 0.001 | 1.6 (1.1–2.3) | 0.013 | 2.4 (1.9–2.9) | < 0.001 | 1.5 (1.0–2.1) | 0.035 |
Pregnancy known to FaCS | |||||||||||
 No | 35,482 | 2767 | 7.8 | 1.0 |  | 1.0 |  | 1.0 |  | 1.0 |  |
 Yes | 748 | 99 | 13.2 | 2.0 (1.6–2.5) | < 0.001 | 1.3 (0.9–1.7) | 0.136 | 2.0 (1.6–2.5) | < 0.001 | 1.2 (0.9–1.7) | < 0.001 |
Previous child in OOHC | |||||||||||
 No | 26,421 | 1957 | 7.4 | 1.0 |  | 1.0 |  | 1.0 |  | 1.0 |  |
 Yes | 1015 | 137 | 13.5 | 2.1 (1.7–2.5) | < 0.001 | 1.5 (1.2–1.9) | 0.001 | 2.1 (1.7–2.5) | < 0.001 | 1.5 (1.2–1.9) | < 0.001 |
Alcohol use in pregnancy | |||||||||||
 No | 40,688 | 3238 | 7.9 | 1.0 |  | 1.0 |  | 1.0 |  | 1.0 |  |
 Yes | 647 | 78 | 12.1 | 1.6 (1.3–2.1) | < 0.001 | 1.6 (1.1–2.3) | 0.011 | 1.6 (1.3–2.1) | < 0.001 | 1.5 (1.1–2.2) | 0.018 |
Antenatal health problems | |||||||||||
 No | 34,322 | 2641 | 7.7 | 1.0 |  | 1.0 |  | 1.0 |  | 1.0 |  |
 Yes | 6442 | 611 | 9.5 | 1.3 (1.2–1.4) | < 0.001 | 1.2 (1.1–1.4) | 0.002 | 1.3 (1.2–1.4) | < 0.001 | 1.3 (1.1–1.5) | < 0.001 |