Table 3.
Clinical characteristics among women with serious mental illness, with and without an obstetric near miss
| Obstetric near miss (n = 120) | No near miss (n = 13 450) | Odds ratio/coefficienta (95% CI), P-value | |
|---|---|---|---|
| Mental healthcare in the year before delivery episode, n (%) | |||
| No | 78 (65.0) | 7758 (57.7) | 0.7 (0.5–1.1), P = 0.106 |
| Yes | 42 (35.0) | 5692 (42.3) | |
| Psychotropic medication prescribed in pregnancy, n (%) | |||
| No | 89 (74.2) | 10 299 (76.6) | 1.1 (0.8–1.7), P = 0.534 |
| Yes | 31 (25.8) | 3150 (23.4) | |
| Duration since first contact with mental health services before childbirth, years, mean (s.d.) | 4.7 (2.9) | 3.9 (2.8) | 0.7 (0.2–1.3), P = 0.008 |
| Frequency of psychiatric care received before childbirth, mean number of contacts (s.d.) | 21.5 (56.4) | 26.6 (69.0) | −5.2 (−15.3 to −4.9), P = 0.316 |
| Psychiatric diagnosis, n (%) | |||
| Psychotic and bipolar disorders | 8 (6.7) | 721 (5.4) | 1.6 (0.7–3.8). P = 0.246 |
| Depressive disorders | 31 (25.8) | 2914 (21.7) | 1.6 (0.9–2.8), P = 0.132 |
| Anxiety disorders | 16 (13.3) | 1904 (14.2) | 1.2 (0.6–2.5), P = 0.542 |
| All other psychiatric disorders | 18 (15.0) | 2662 (19.8) | Reference group |
| No formal psychiatric disorder/missing | 47 (39.2) | 5249 (39.0) | |
| Alcohol or substance misuse in the year before delivery episode, n (%) | |||
| No | Value suppressed | 12 517 | 0.5 (0.2–1.3), P = 0.130 |
| Yes | <10 | 933 | |
a.
Odds ratios are displayed for categorical outcomes (i.e. mental healthcare before delivery episode, psychotropic medication and psychiatric diagnosis) and unstandardised beta coefficients are displayed for continuous outcomes (i.e. duration since first contact and frequency of psychiatric care).