Table 1.
Sociodemographic characteristics for all psychiatric admissions, by study time periods
| Pre-pregnancy admissions | Pregnancy admissions | Early postpartum admissions | Late postpartum admissions | |
|---|---|---|---|---|
| Number of admissions n, (%) | 853 (25.9) | 315 (9.8) | 277 (8.5) | 1845 (57.2) |
| Weekly admission rate | 13.3 | 7.9 | 46.2 | 18.8 |
| Mean age (SD) | 26.4 (6.2) | 28.3 (6.3) | 29.2 (6.8) | 28.5 (6.2) |
| Median duration of admission, days (IQR) | 7 (14) | 9 (18) | 17 (29) | 8 (19) |
| Detained under Mental Health Act, n (%) | 85 (10.0) | 41 (13.0) | 49 (17.9) | 184 (10.0) |
| Diagnoses, n (%) | ||||
| Psychosis | 134 (15.7) | 61 (19.4) | 110 (39.7) | 346 (18.8) |
| Non-psychotic depression | 187 (21.9) | 81 (25.7) | 62 (22.4) | 531 (28.8) |
| Other | ||||
| Bipolar disorder | 57 (6.7) | 30 (9.5) | 40 (14.4) | 153 (8.3) |
| Alcohol misuse | 63 (7.4) | 14 (4.4) | 4 (1.4) | 119 (6.4) |
| Stress related | 74 (8.7) | 31 (9.8) | 20 (7.2) | 174 (9.4) |
| Personality disorders | 156 (18.3) | 29 (9.2) | 8 (2.9) | 222 (12.0) |
| Miscellaneous | 182 (21.3) | 69 (21.9) | 33 (11.9) | 300 (16.3) |
| SIMD quintile n, (%) | ||||
| 1: Most deprived | 390 (45.7) | 156 (49.5) | 98 (35.3) | 788 (42.7) |
| 2 | 200 (23.4) | 73 (23.2) | 49 (17.7) | 441 (23.9) |
| 3 | 146 (17.1) | 38 (12.1) | 58 (21.0) | 271 (14.7) |
| 4 | 70 (8.2) | 26 (8.3) | 36 (13.0) | 239 (13.0) |
| 5: Most affluent | 47 (5.5) | 22 (7.0) | 36 (13.0) | 106 (5.7) |
| Age group n, (%) | ||||
| Under 20 | 109 (12.8) | 29 (9.2) | 22 (8.0) | 114 (6.2) |
| 20–25 | 320 (37.5) | 88 (27.9) | 86 (31.2) | 520 (28.2) |
| 26–30 | 194 (22.7) | 88 (27.9) | 78 (28.3) | 546 (29.6) |
| 30–34 | 159 (18.6) | 57 (18.1) | 57 (20.5) | 384 (20.8) |
| 35–39 | 61 (7.1) | 44 (14.1) | 28 (10.2) | 214 (11.6) |
| 40 and over | 10 (1.2) | 9 (2.8) | 5 (1.9) | 63 (3.4) |
| Parity n, (%) | ||||
| No previous pregnancy | 574 (67.3) | 215 (68.2) | 162 (58.6) | 1207 (65.4) |
| Previous pregnancy | 287 (33.3) | 100 (31.8) | 115 (41.4) | 638 (34.6) |
| Previous inpatient care n, (%) | ||||
| Yes | 548 (64.3) | 210 (66.7) | 158 (56.9) | 1096 (59.4) |
| No | 305 (35.7) | 105 (33.3) | 119 (43.1) | 749 (40.6) |
SIMD, Scottish Index of Multiple Deprivation.