Table 1.
Characteristics and health service utilization of individuals with self-harm-related emergency department visits in a 3-month period 1 year prior to and immediately following release of 13RW.
| Characteristic | 1 April 2016 to 30 June 2016 | 1 April 2017 to 30 June 2017 | Standardized difference | p value |
|---|---|---|---|---|
| Total | N = 2944 | N = 3577 | ||
| Number of self-harm attempts | ||||
| Mean ± SD | 1.12 ± 0.83 | 1.13 ± 0.73 | 0.01 | 0.581 |
| Median (IQR) | 1 (1–1) | 1 (1–1) | 0.02 | 0.468 |
| Sex | ||||
| Female | 1895 (64.4%) | 2284 (63.9%) | 0.01 | 0.666 |
| Male | 1049 (35.6%) | 1293 (36.1%) | 0.01 | 0.666 |
| Age | ||||
| Mean ± SD | 24.53 ± 8.82 | 24.28 ± 8.76 | 0.03 | 0.249 |
| Median (IQR) | 22 (17–31) | 22 (17–31) | 0.03 | 0.212 |
| Age category | ||||
| 10–19 | 1141 (38.8%) | 1431 (40.0%) | 0.03 | 0.305 |
| 20–29 | 982 (33.4%) | 1151 (32.2%) | 0.03 | 0.313 |
| 30–45 | 821 (27.9%) | 995 (27.8%) | <0.001 | 0.950 |
| Neighborhood income quintile | ||||
| Missing | 42 (1.4%) | 33 (0.9%) | 0.05 | 0.401 |
| 1 (lowest) | 816 (27.7%) | 965 (27.0%) | 0.02 | |
| 2 | 576 (19.6%) | 732 (20.5%) | 0.02 | |
| 3 | 545 (18.5%) | 673 (18.8%) | 0.01 | |
| 4 | 494 (16.8%) | 619 (17.3%) | 0.01 | |
| 5 (highest) | 471 (16.0%) | 555 (15.5%) | 0.01 | |
| Rural residence | 408 (13.9%) | 532 (14.9%) | 0.03 | 0.246 |
| Healthcare utilization | ||||
| ED visit | ||||
| Total proportion | 2944 (100.0%) | 3577 (100.0%) | N/A | |
| Mean ± SD | 1.75 ± 2.09 | 1.76 ± 2.03 | 0.01 | 0.761 |
| Median (IQR) | 1 (1–2) | 1 (1–2) | 0.02 | 0.436 |
| ED visit by sex | ||||
| Female | 1895 (64.4%) | 2284 (63.9%) | 0.01 | 0.666 |
| Male | 1049 (35.6%) | 1293 (36.1%) | 0.01 | 0.666 |
| ED visit by age category | ||||
| 10–19 | 1141 (38.8%) | 1431 (40.0%) | 0.03 | 0.305 |
| 20–29 | 982 (33.4%) | 1151 (32.2%) | 0.03 | 0.313 |
| 30–45 | 821 (27.9%) | 995 (27.8%) | <0.001 | 0.950 |
| Outpatient visits | ||||
| Total proportion | 2024 (68.8%) | 2442 (68.3%) | 0.01 | 0.678 |
| Mean ± SD | 2.67 ± 3.70 | 2.51 ± 3.50 | 0.05 | 0.060 |
| Median (IQR) | 2 (0–4) | 1 (0–3) | 0.03 | 0.166 |
| Outpatient by specialty | ||||
| GP | 1376 (46.7%) | 1719 (48.1%) | 0.03 | 0.289 |
| Psychiatrist | 1286 (43.7%) | 1555 (43.5%) | <0.001 | 0.865 |
| Pediatrician | 147 (5.0%) | 182 (5.1%) | <0.001 | 0.862 |
| Outpatient by sex | ||||
| Female | 1366 (46.4%) | 1649 (46.1%) | 0.01 | 0.809 |
| Male | 658 (22.4%) | 793 (22.2%) | <0.001 | 0.861 |
| Outpatient by age | ||||
| 10–19 | 823 (28.0%) | 1065 (29.8%) | 0.04 | 0.107 |
| 20–29 | 636 (21.6%) | 723 (20.2%) | 0.03 | 0.169 |
| 30–45 | 565 (19.2%) | 654 (18.3%) | 0.02 | 0.349 |
13RW: 13 Reasons Why; IQR: interquartile range; ED: emergency department.