Table 1.
Phase III participant characteristics (baseline) by intervention group
| All participants (N = 120) |
SPI + TAU (N = 80) | TAU only (N = 40) | ||
|---|---|---|---|---|
| Age (mean, SD) | ||||
| 36.4 (15.6) | 36.1 (16.1) | 37.0 (14.8) | ||
| Gender ( n , %) | Female | 75 (62.5) | 50 (62.5) | 25 (62.5) |
| Male | 44 (36.7) | 29 (36.2) | 15 (37.5) | |
| Non-binary | 1 (0.8) | 1 (1.2) | 0 (0) | |
| Ethnicity ( n , %) | White | 116 (96.7) | 78 (97.5) | 38 (95.0) |
| Asian | 3 (2.5) | 2 (2.5) | 1 (2.5) | |
| Mixed | 1 (0.8) | 0 (0) | 1 (2.5) | |
| Education ( n , %) |
5.1.1.1. School level qualifications (GCSEs, standard or higher grades, GNVQ, A levels, SVQ levels 1 or 2) |
54 (45.0) | 39 (48.8) | 15 (37.5) |
|
Further education Advanced GNVQ, HNC or HND, SVQ levels 3 or 4 |
34 (28.3) | 21 (26.3) | 13 (32.5) | |
|
Higher education Undergraduate, postgraduate, or PhD degree, SVQ level 5, professional qualification |
22 (18.3) | 14 (17.5) | 8 (20.0) | |
| No qualifications | 9 (7.5) | 5 (6.2) | 4 (10.0) | |
| Prefer not to say | 1 (0.8) | 1 (1.2) | 0 (0) | |
| Lifetime psychiatric history | ||||
| Hospitalised due to mental health problems (n, %) | (n = 120) | 67 (55.8) | 40 (50.0) | 27 (67.5) |
| Lifetime suicidal history | ||||
| Has made a suicide attempt (n, %) | (n = 120) | 113 (94.2) | 75 (93.8) | 38 (95.0) |
| Had an interrupted suicide attempt (n, %) | (n = 120) | 56 (46.7) | 35 (43.8) | 21 (52.5) |
| Had an aborted suicide attempt (n, %) | (n = 120) | 55 (45.8) | 33 (41.2) | 22 (55.0) |
| Engaged in NSSI (n, %) |
(n = 120) Missing data (n) |
61 (51.3) 1 |
39 (49.4) 1 |
22 (55.0) 0 |
| Had a preparatory act taken towards a suicide attempt (n, %) | (n = 120) | 63 (52.5) | 39 (48.8) | 24 (60.0) |