| 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 depressive symptoms | 42,027 | 2496 | 5.9 | Â | Â | Â | Â | Â | Â | Â | Â |
Maternal age group | |||||||||||
 20–34 years | 39,199 | 2273 | 5.8 | 1.0 |  | 1.0 |  | 1.0 |  |  |  |
  > 35 years | 2184 | 156 | 7.1 | 1.3 (1.1–1.5) | 0.008 | 1.2 (1.0–1.5) | 0.101 | 1.3 (1.1–1.5) | 0.008 | 1.2 (1.0–1.5) | 0.123 |
  < 20 years | 643 | 67 | 10.4 | 2.0 (1.5–2.6) | < 0.001 | 0.5 (0.2–1.2) | 0.123 | 2.0 (1.5–2.6) | < 0.001 | 0.7 (0.3–1.5) | 0.320 |
SES category | |||||||||||
 Low | 16,529 | 1272 | 7.7 | 1.0 | < 0.001 | 1.0 |  | 1.0 |  | 1.0 |  |
 Medium | 19,345 | 980 | 5.1 | 0.6 (0.6–0.7) | < 0.001 | 0.8 (0.7–0.9) | < 0.001 | 0.6 (0.6–0.7) | < 0.001 | 0.8 (0.7–0.9) | < 0.001 |
 High | 4701 | 155 | 3.3 | 0.4 (0.3–0.5) | < 0.001 | 0.6 (0.4–0.7) | < 0.001 | 0.4 (0.3–0.5) | < 0.001 | 0.6 (0.4–0.7) | < 0.001 |
CALD group | |||||||||||
 No | 20,668 | 946 | 4.6 | 1.0 |  | 1.0 |  | 1.0 |  | 1.0 |  |
 Yes | 20,560 | 1510 | 7.3 | 1.7 (1.6–1.9) | < 0.001 | 2.0 (1.8–2.3) | < 0.001 | 1.7 (1.6–1.9) | < 0.001 | 2.0 (1.8–2.3) | < 0.001 |
Supportive partner | |||||||||||
 Yes | 39,735 | 2037 | 5.1 | 1.0 | < 0.001 | 1.0 |  | 1.0 |  | 1.0 |  |
 No | 1193 | 337 | 28.3 | 8.5 (7.4–9.8) | < 0.001 | 6.5 (5.3–8.0) | < 0.001 | 8.1 (7.0—9.2) | < 0.001 | 6.2 (5.0–7.6) | < 0.001 |
Maternal history of childhood abuse | |||||||||||
 No | 38,020 | 1969 | 5.2 | 1.0 |  | 1.0 |  | 1.0 |  | 1.0 |  |
 Yes | 2803 | 408 | 14.6 | 3.3 (3.0–3.8) | < 0.001 | 3.2 (2.6–3.8) | < 0.001 | 3.3 (3.0–3-3.8) | < 0.001 | 3.1 (2.6–3.8) | < 0.001 |
Psychological IPV | |||||||||||
 No | 40,367 | 2269 | 5.6 | 1.0 |  | 1.0 |  | 1.0 |  | 1.0 |  |
 Yes | 560 | 137 | 24.5 | 6.0 (4.9–7.3) | < 0.001 | 2.6 (1.8–3.7) | < 0.001 | 6.0 (4.9–7.3) | < 0.001 | 2.7 (1.9–3.9) | < 0.001 |
Physical IPV | |||||||||||
 No | 40,529 | 2290 | 5.7 | 1.0 |  | 1.0 |  | 1.0 |  | 1.0 |  |
 Yes | 700 | 142 | 20.3 | 4.7 (3.9–5.7) | < 0.001 | 1.3 (0.9–1.9) | 0.150 | 4.7 (3.9–5.7) | < 0.001 | 1.4 (0.9–1.9) | 0.097 |
Pregnancy known to FaCS | |||||||||||
 No | 35,482 | 2009 | 5.7 | 1.0 |  | 1.0 |  | 1.0 |  | 1.0 |  |
 Yes | 748 | 108 | 14.4 | 3.1 (2.5–3.8) | < 0.001 | 1.3 (0.9–1.8) | 0.141 | 3.1 (2.5–3.8) | < 0.001 | 1.3 (0.9–1.8) | 0.133 |
Previous child in OOHC | |||||||||||
 No | 26,421 | 1462 | 5.5 | 1.0 |  | 1.0 |  | 1.0 |  | 1.0 |  |
 Yes | 1015 | 114 | 11.2 | 2.3 (1.9–2.9) | < 0.001 | 1.1 (0.9–1.5) | 0.378 | 2.3 (1.9–2.9) | < 0.001 | 1.2 (0.9–1.6) | 0.187 |
Alcohol use in pregnancy | |||||||||||
 No | 40,688 | 2399 | 5.9 | 1.0 |  | 1.0 |  | 1.0 |  | 1.0 |  |
 Yes | 647 | 48 | 7.4 | 1.3 (1.0–1.8) | 0.051 | 1.0 (0.6–1.7) | 0.947 | 1.3 (1.0–1.8) | 0.051 | 1.2 (0.7–1.8) | 0.503 |
Antenatal health problems | |||||||||||
 No | 34,322 | 1937 | 5.6 | 1.0 |  | 1.0 |  | 1.0 |  | 1.0 |  |
 Yes | 6442 | 451 | 7.0 | 1.3 (1.2–1.4) | < 0.001 | 1.2 (1.0–1.4) | 0.073 | 1.3 (1.2–1.4) | < 0.001 | 1.2 (1.0–1.4) | 0.057 |