Variable | Level | Cohort n (%) | Comparison n (%) | p-value |
---|---|---|---|---|
Self-reported mental health | No | 479 (46.8) | 17,584 (81.1) | < 0.001 |
Yes | 544 (53.2) | 4087 (18.9) | Â | |
Mental health-related contacts or admissions during pregnancy (within 9 months of birth) | ||||
 GP records | No | 913 (82.2) | 22,156 (94.6) | < 0.001 |
Yes | 198 (17.8) | 1258 (5.4) | Â | |
 PEDW records | No | 950 (85.5) | 22,574 (96.4) | < 0.001 |
Yes | 161 (14.5) | 840 (3.6) | Â | |
 GP or PEDW records | No | 793 (71.4) | 21,498 (91.8) | < 0.001 |
Yes | 318 (28.6) | 1916 (8.2) | Â | |
Mental health-related contacts or admissions within 2 years prior to birth | ||||
 GP records | No | 633 (57.0) | 19,575 (83.6) | < 0.001 |
Yes | 478 (43.0) | 3839 (16.4) | Â | |
 PEDW records | No | 882 (79.4) | 22,265 (95.1) | < 0.001 |
Yes | 229 (20.6) | 1149 (4.9) | Â | |
 GP or PEDW records | No | 536 (48.2) | 18,989 (81.1) | < 0.001 |
Yes | 575 (51.8) | 4425 (18.9) | Â | |
Substance use-related contacts or admissions during pregnancy (within 9 months of birth) | ||||
 GP records | No | 1,026 (92.3) | 23,331 (99.6) | < 0.001 |
Yes | 85 (7.7) | 83 (0.4) | Â | |
 PEDW records | No | 1,050 (94.5) | 23,358 (99.8) | < 0.001 |
Yes | 61 (5.5) | 56 (0.2) | Â | |
 GP or PEDW records | No | 995 (89.6) | 23,285 (99.4) | < 0.001 |
Yes | 116 (10.4) | 129 (0.6) | Â | |
Substance use-related contacts or admissions within 2 years prior to birth | ||||
 GP records | No | 959 (86.3) | 23,190 (99.0) | < 0.001 |
Yes | 152 (13.7) | 224 (1.0) | Â | |
 PEDW records | No | 999 (89.9) | 23,195 (99.1) | < 0.001 |
Yes | 112 (10.1) | 219 (0.9) | Â | |
 GP or PEDW records | No | 905 (81.5) | 23,013 (98.3) | < 0.001 |
Yes | 206 (18.5) | 401 (1.7) | Â | |
 Body mass index (BMI) | Underweight | 68 (6.9) | 632 (3.0) | < 0.001 |
Healthy weight | 393 (39.9) | 8844 (42.0) | Â | |
Overweight | 245 (24.9) | 5773 (27.4) | Â | |
Obese | 221 (22.4) | 4,847 (23.0) | Â | |
Morbidly obese | 58 (5.9) | 961 (4.6) | Â | |
 Smoker at initial assessment | No | 396 (37.3) | 17,028 (75.2) |  |
Yes | 667 (62.7) | 5618 (24.8) | < 0.001 | |
 Smoker at birth | No | 423 (40.4) | 17,759 (78.4) |  |
Yes | 624 (59.6) | 4879 (21.6) | < 0.001 | |
 Intention to breastfeed | No | 685 (64.3) | 10,584 (46.8) |  |
Yes | 380 (35.7) | 12,037 (53.2) | < 0.001 |