Variable | Whole Sample | Re-admission | Statistical test | p-value | ||
---|---|---|---|---|---|---|
(N = 1001) | Zero | One | Two or more | |||
 | (N = 790) | (N = 132) | (N = 79) | |||
At the admission index | ||||||
 Age M ± SD | 42.50 ± 15.1 | 42.77 ± 15.0 | 43.57 ± 15.7 | 38.01 ± 15.2 | F2,998 = 3.95 | .020 |
 Sex (female), n(%) | 491 (49.1%) | 398 (50.4%) | 50 (37.9%) | 43 (54.4%) | χ22 = 8.07 | .018 |
 Previous hospitalizations, n(%) | 534 (55.9%) | 382 (51.0%) | 91 (71.1%) | 61 (77.2%) | χ22 = 33.83 |  < .001 |
 History of suicide attempts, n(%) | 167 (17.4%) | 111 (14.8%) | 28 (21.7%) | 28 (35.4%) | χ22 = 23.21 |  < .001 |
 Suicidal ideation, n(%) | 304 (30.4%) | 231 (29.2%) | 45 (34.1%) | 28 (35.4%) | χ22 = 2.30 | .316 |
 Suicide attempt, n(%) | 146 (14.6%) | 124 (15.7%) | 13 (9.8%) | 9 (11.4) | χ22 = 3.81 | .149 |
Psychiatric diagnosis |  |  |  |  | χ28 = 9.38 | .312 |
 Schizophrenia or other psychoses, n(%) | 322 (32.2%) | 255 (32.3%) | 38 (28.8%) | 29 (36.7%) |  |  |
 Bipolar disorders, n(%) | 213 (21.3%) | 162 (20.5%) | 37 (28.0%) | 14 (17.7%) |  |  |
 Depressive disorders, n(%) | 138 (13.8%) | 117 (14.8%) | 14 (10.6%) | 7 (8.9%) |  |  |
 Personality disorders, n(%) | 139 (13.9%) | 104 (13.2%) | 21 (15.9%) | 14 (17.7%) |  |  |
 Others, n(%) | 189 (18.9%) | 152 (19.2) | 22 (16.7%) | 15 (19.0%) |  |  |
 Substance use, n(%) | 195 (19.5%) | 142 (18.0%) | 27 (20.5%) | 26 (32.9%) | χ22 = 10.31 | .006 |
 Type of admission, n(%)(compulsory) | 199 (19.9%) | 159 (20.1%) | 20 (15.2%) | 20 (25.3%) | χ22 = 3.35 | .187 |
Post-discharge destination |  |  |  |  | χ22 = 0.39 | .824 |
 Home, n(%) | 216 (21.6%) | 173 (22.0%) | 28 (21.2%) | 15 (19.0%) |  |  |
 Clinical settings, n(%) | 783 (78.4%) | 615 (78%) | 104 (78.8%) | 64 (81.0%) |  |  |
 Age at psychiatric disorder onset M ± SD | 28.28 ± 13.7 | 28.98 ± 13.5 | 27.66 ± 14.5 | 22.79 ± 12.3 | F2,887 = 7.17 |  < .001 |
 Length of stay (days) M ± SD | 10.26 ± 9.6 | 9.65 ± 9.4 | 11.29 ± 7.7 | 14.67 ± 13.3 | H2 = 27.21 |  < .001 |