Table 4.
Adjusted incidence rate ratios for injury-related hospitalisations by quintile of socioeconomic disadvantage for select place of occurrence, activity at time of injury and injury severity, linked Australian hospitalisation and mortality records, 1 July 2002 to 30 June 2012a
| Select activity at time of injury, place of occurrence, and injury severity | IRRb (95% CI) |
|---|---|
| Activity at time of injury | |
| Sport and leisure | |
| Most disadvantaged quintile | 0.80 (0.66 to 0.96)* |
| 2nd | 0.92 (0.78 to 1.12) |
| 3rd | 0.99 (0.82 to 1.20) |
| 4th | 0.98 (0.81 to 1.18) |
| Least disadvantaged quintile | 1.00 |
| Place of occurrence | |
| Home | |
| Most disadvantaged quintile | 1.16 (1.11 to 1.22)*** |
| 2nd | 1.28 (1.22 to 1.34)*** |
| 3rd | 1.18 (1.12 to 1.23)*** |
| 4th | 1.06 (1.01 to 1.11)* |
| Least disadvantaged quintile | 1.00 |
| Farm | |
| Most disadvantaged quintile | 3.64 (3.18 to 4.18)*** |
| 2nd | 4.76 (4.17 to 5.44)*** |
| 3rd | 3.69 (3.23 to 4.23)*** |
| 4th | 1.92 (1.66 to 2.22)*** |
| Least disadvantaged quintile | 1.00 |
| Injury Severity | |
| Minor (ICISS ≥0.99) | |
| Most disadvantaged quintile | 0.89 (0.84 to 0.94)*** |
| 2nd | 1.03 (0.97 to 1.08) |
| 3rd | 1.04 (0.99 to 1.09) |
| 4th | 0.94 (0.89 to 0.99)* |
| Least disadvantaged quintile | 1.00 |
| Moderate (ICISS > 0.941 – < 0.99) | |
| Most disadvantaged quintile | 1.09 (1.03 to 1.15)* |
| 2nd | 1.17 (1.11 to 1.23)*** |
| 3rd | 1.14 (1.08 to 1.20)*** |
| 4th | 0.99 (0.94 to 1.05) |
| Least disadvantaged quintile | 1.00 |
| Serious (ICISS ≤0.941) | |
| Most disadvantaged quintile | 1.43 (1.33 to 1.54)*** |
| 2nd | 1.40 (1.31 to 1.51)*** |
| 3rd | 1.31 (1.22 to 1.41)*** |
| 4th | 1.13 (1.05 to 1.21)* |
| Least disadvantaged quintile | |
aAdjusted for age group, sex and socioeconomic status. 2The least disadvantaged quintile was used as the reference group for all variables. *p < 0.5, **p < 0.001, ***p < 0.0001