Table 1.
Details of self-harm events.
| Family therapy N | Treatment as usual N | Total N | |
|---|---|---|---|
| Number of participants | 415 | 417 | 832 |
| N participants with one or more self-harm event | 168 (40.5%) | 166 (39.8%) | 334 (40.1%) |
| Estimated self-harm repetition rate (Kaplan Meier estimate, 95% CI) | |||
| 18 months | 28.9% (24.5%, 33.3%) | 25.2% (21.0%, 29.4%) | 27.1% (24.0%, 30.1%) |
| 36 months | 36.5% (31.8%, 41.2%) | 35.4% (30.8%, 40.1%) | 36.0% (32.7%, 39.3%) |
| N events per participant | |||
| Mean (SD) | 1.0 (2.19) | 1.2 (3.22) | 1.1 (2.76) |
| Median (range) | 0.0 (0, 22) | 0.0 (0, 39) | 0.0 (0, 39) |
| IQR | (0, 1) | (0, 1) | (0, 1) |
| N events per participant | |||
| 0 | 247 (59.5%) | 251 (60.2%) | 498 (59.9%) |
| 1 | 75 (18.1%) | 75 (18.0%) | 150 (18.0%) |
| 2-3 | 66 (15.9%) | 53 (12.7%) | 119 (14.3%) |
| 4-5 | 14 (3.4%) | 23 (5.5%) | 37 (4.4%) |
| 6+ | 13 (3.1%) | 15 (3.6%) | 28 (3.4%) |
| Type of self-harm per participanta(not mutually exclusive) | |||
| Self-injury | 72 (17.3%) | 75 (18.0%) | 147 (17.7%) |
| Self-poisoning | 122 (29.4%) | 124 (29.7%) | 246 (29.6%) |
| Self-injury and poisoning | 18 (4.3%) | 22 (5.3%) | 40 (4.8%) |
| Other (Threats/Thoughts/Risk) | 30 (7.2%) | 28 (6.7%) | 58 (7.0%) |
| Missing | 13 (3.1%) | 15 (3.6%) | 28 (3.4%) |
| No self-harm event | 247 (59.5%) | 251 (60.2%) | 498 (59.9%) |
| Total number of events | 427 | 489 | 916 |
| Type of self-harm | |||
| Self-injury | 128 (30.0%) | 160 (32.7%) | 288 (31.4%) |
| Self-poisoning | 216 (50.6%) | 238 (48.7%) | 454 (49.6%) |
| Self-injury and poisoning | 20 (4.7%) | 27 (5.5%) | 47 (5.1%) |
| Other (Threats/Thoughts/Risk) | 42 (9.8%) | 44 (9.0%) | 86 (9.4%) |
| Missing | 21 (4.9%) | 20 (4.1%) | 41 (4.5%) |
| Outcome of self-harm eventsb | |||
| Discharged from A&E | 174 (40.7%) | 216 (44.2%) | 390 (42.6%) |
| Admitted to hospital ward | 253 (59.3%) | 273 (55.8%) | 526 (57.4%) |
| Admission involves a psychiatric inpatient stay? | |||
| Yesc | 16 (6.3%) | 23 (8.4%) | 39 (7.4%) |
| No | 237 (93.7%) | 250 (91.6%) | 487 (92.6%) |
| Total Admissions | 253 (100%) | 273 (100%) | 526 (100%) |
a
Of 184 participants with more than one self-harm event, 98 (53.3%) used multiple methods, 86 (46.7%) used a single method (excluding threats as an alternative method).
b
The 390 events discharged from A&E and the 526 admission events were in 187 (22.5%) and 249 (29.9%) participants respectively.
c
The 39 psychiatric admissions were in 23 (2.8%) participants.