Table 2 Percentage change in mean hospital days 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) | 0.24 (1.9) | 7.0 | 40.6 | 50.3 | 45.5 | 49.7 | |
| NLT (69 142) | 031 (3.5) | 15.5 | 31.2 | 29.4 | 29.6 | 30.8 | |
| NI (52 319) | 0.64 (10.6) | −14.6 | 03 | −11.2 | −15.7 | −18.6 | |
| Claim pattern | |||||||
| Single claim (1994 claim only) | LT (8495) | 0.31 (2.7) | 59.5 | 50.8 | 49.3 | 47.1 | 47.4 |
| NLT (16 565) | 0.45 (5.8) | 21.4 | 43.3 | 30.4 | 20.0 | 25.0 | |
| NI (8495) | 0.86 (13.0) | −35.7 | −6.7 | −0.88 | −8.2 | −26.0 | |
| Repeat claims (before 1994) | LT (10 122) | 0.28 (2.4) | 57.8 | 58.6 | 60.3 | 54.0 | 59.8 |
| NLT (13 076) | 0.33 (2.7) | 24.6 | 31.4 | 35.2 | 42.4 | 27.8 | |
| NI (10 122) | 0.73 (14.1) | −4.6 | −1.8 | −32.9 | −45.7 | −13.7 | |
| Repeat claims (after 1994) | LT (8355) | 0.20 (1.4) | 42.2 | 46.5 | 46.3 | 40.3 | 51.5 |
| NLT (10 650) | 0.25 (1.9) | −2.8 | 18.6 | 21.7 | 13.4 | 42.1 | |
| NI (8355) | 0.67 (7.2) | −38.0 | −31.4 | −35.0 | −27.4 | −23.4 | |
| Repeat claims (before and after 1994) | LT (23 262) | 0.21 (1.5) | 24.8 | 28.4 | 44.7 | 40.7 | 42.8 |
| NLT (24 483) | 0.23 (2.0) | 3.8 | 14.3 | 27.5 | 35.3 | 34.4 | |
| NI (23 262) | 0.51 (8.7) | −2.2 | 15.0 | 1.3 | −2.1 | −14.9 | |
| Time off work | |||||||
| <12 weeks | LT (44 418) | 0.22 (1.8) | 44.7 | 46.7 | 50.0 | 46.2 | 50.3 |
| NI (44 418) | 0.63 (11.1) | −19.7 | −8.7 | −24.3 | −25.6 | −25.9 | |
| ⩾12 weeks | LT (5154) | 0.28 (1.6) | 62.3 | 51.8 | 60.9 | 50.1 | 58.8 |
| NI (5154) | 0.57 (5.0) | 9.1 | 34.9 | 15.1 | −5.9 | 15.9 | |
| Nature of injury | |||||||
| Acute | LT (44 856) | 0.22 (1.8) | 48.2 | 46.5 | 51.3 | 47.0 | 52.0 |
| NI (44 856) | 0.64 (11.0) | −0.42 | 38.2 | 44.7 | 31.5 | 12.4 | |
| Chronic | LT (4315) | 0.39 (4.7) | 26.1 | 34.5 | 39.2 | 36.5 | 28.0 |
| NI (4315) | 0.76 (6.8) | −0.42 | 38.2 | 44.7 | 31.5 | 12.4 | |
| Working entire study period (last two digits of MSP = 00†) | |||||||
| LT (34 793) | 0.23 (2.0) | 47.0 | 45.9 | 53.0 | 47.5 | 50.6 | |
| NLT (45 837) | 0.33 (4.0) | 9.0 | 31.1 | 28.0 | 28.7 | 31.3 | |
| NI (34 793) | 0.77 (12.7) | −27.0 | −0.41 | −13.9 | −18.9 | −27.8 | |
| Registered entire study period | |||||||
| LT (39 822) | 0.24 (1.9) | 45.9 | 44.9 | 48.6 | 44.0 | 48.0 | |
| NLT (59 520) | 0.32 (3.6) | 10.5 | 30.0 | 24.9 | 25.1 | 26.2 | |
| NI (39 822) | 0.65 (11.0) | −12.8 | 0.33 | −15.2 | −20.1 | −24.0 | |
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 footnotes for details.