Table 4 Percentage change in mean hospital days for mental healthcare following a workplace injury relative to baseline (one year before injury), by claim and registration characteristics.
| Group (n*) | Baseline mean days (SD) | % Change following injury | |||||
|---|---|---|---|---|---|---|---|
| 1 year after | 2 years after | 3 years after | 4 years after | 5 years after | |||
| Total hospital days | |||||||
| LT (52 319) | 0.04 (0.89) | 55.9 | 66.9 | 63.9 | 70.4 | 69.7 | |
| NLT (69 142) | 0.05 (2.0) | 26.6 | 40.5 | 52.0 | 50.5 | 55.4 | |
| NI (52 319) | 0.14 (3.8) | 36.4 | 12.6 | 3.9 | 51.5 | 18.1 | |
| Claim pattern | |||||||
| Single claim (1994 claim only) | LT (8495) | 0.03 (0.74) | 75.2 | 82.5 | 74.9 | 74.7 | 83.9 |
| NLT (16 565) | 0.09 (3.7) | 15.6 | 30.6 | 47.4 | 55.5 | 36.9 | |
| NI (8495) | 0.12 (2.0) | 72.3 | 36.4 | 40.7 | 4.8 | 35.0 | |
| Repeat claims (before 1994) | LT (10 122) | 0.05 (1.1) | 70.9 | 73.9 | 68.3 | 80.4 | 70.5 |
| NLT (13 076) | 0.05 (0.80 | 51.2 | 55.2 | 67.1 | 36.9 | 53.2 | |
| NI (10 122) | 0.21 (7.1) | 20.2 | −52.5 | −8.8 | −38.7 | −45.4 | |
| Repeat claims (after 1994) | LT (8355) | 0.03 (0.92) | 30.5 | 68.9 | 66.6 | 54.4 | 67.8 |
| NLT (10 650) | 0.03 (0.59) | 20.1 | 55.3 | 69.8 | 32.8 | 75.0 | |
| NI (8355) | 0.18 (5.1) | −107.1 | −27.3 | −90.3 | −65.6 | −50.1 | |
| Repeat claims (before and after 1994) | LT (23 262) | 0.04 (0.83) | 29.8 | 44.9 | 54.3 | 63.6 | 61.4 |
| NLT (24 483) | 0.04 (0.97) | 17.9 | 34.6 | 29.3 | 32.8 | 63.5 | |
| NI (23 262) | 0.09 (1.9) | 39.7 | 40.8 | 17.4 | −32.1 | 50.2 | |
| Time off work | |||||||
| <12 weeks | LT (44 418) | 0.03 (0.85) | 57.7 | 64.6 | 63.6 | 69.6 | 68.5 |
| NI (44 418) | 0.14 (4.3) | 13.5 | 7.2 | −12.7 | −47.7 | 13.6 | |
| ⩾12 weeks | LT (5154) | 0.04 (0.88) | 47.8 | 65.0 | 73.2 | 63.0 | 77.0 |
| NI (5154) | 0.13 (2.2) | 29.2 | 31.1 | 46.6 | −7.4 | 6.5 | |
| Nature of injury | |||||||
| Acute | LT (44 856) | 0.04 (0.85) | 56.2 | 62.7 | 63.5 | 69.8 | 70.1 |
| NI (44 856) | 0.14 (4.3) | 16.6 | 4.5 | −15.8 | −24.8 | −13.3 | |
| Chronic | LT (4315) | 0.04 (0.97) | 59.4 | 83.8 | 54.8 | 80.8 | 68.3 |
| NI (4315) | 0.09 (1.3) | 86.4 | 61.4 | 71.6 | 53.4 | 84.5 | |
| Working entire study period (last two digits of MSP = 00†) | |||||||
| LT (34 793) | 0.04 (0.95) | 46.6 | 67.8 | 64.6 | 73.5 | 71.6 | |
| NLT (45 837) | 0.05 (2.3) | 17.1 | 37.5 | 51.7 | 54.8 | 58.8 | |
| NI (34 793) | 0.14 (2.8) | 50.0 | 25.6 | 4.7 | −13.5 | 28.7 | |
| Registered entire study period | |||||||
| LT (39 822) | 0.03 (0.85) | 52.3 | 69.2 | 64.5 | 71.6 | 70.2 | |
| NLT (59 520) | 0.05 (2.0) | 23.9 | 42.4 | 49.5 | 44.9 | 51.6 | |
| NI (39 822) | 0.14 (4.3) | 29.4 | 2.1 | 1.5 | −11.2 | 11.8 | |
LT, lost time injured workers; NLT, no lost time injured workers; NI, non‐injured comparisons.
*Totals do not add up due to missing information.
†See table 1 footnote for details.