Table 3.
Adjusted incidence rate ratios for injury-related hospitalisations by quintile of socioeconomic disadvantage for select injury mechanisms, linked Australian hospitalisation and mortality records, 1 July 2002 to 30 June 2012a
| Select injury mechanisms | IRRb (95% CI) |
|---|---|
| Pedestrian | |
| Most disadvantaged quintile | 1.54 (1.40 to 1.69)*** |
| 2nd | 1.37 (1.24 to 1.50)*** |
| 3rd | 1.30 (1.18 to 1.43)*** |
| 4th | 1.06 (0.97 to 1.18)*** |
| Least disadvantaged quintile | 1.00 |
| Pedal cycle | |
| Most disadvantaged quintile | 0.91 (0.80 to 1.04) |
| 2nd | 1.13 (1.0 to 1.28) |
| 3rd | 1.14 (1.00 to 1.30)* |
| 4th | 0.96 (0.84 to 1.09) |
| Least disadvantaged quintile | 1.00 |
| Falls | |
| Most disadvantaged quintile | 0.81 (0.75 to 0.88)*** |
| 2nd | 0.96 (0.88 to 1.04) |
| 3rd | 0.99 (0.92 to 1.07) |
| 4th | 0.92 (0.85 to 1.00)* |
| Least disadvantaged quintile | 1.00 |
| Drowning – all ages | |
| Most disadvantaged quintile | 1.10 (0.96 to 1.25) |
| 2nd | 1.22 (1.07 to 1.39)* |
| 3rd | 1.07 (0.94 to 1.22) |
| 4th | 1.06 (0.93 to 1.22) |
| Least disadvantaged quintile | 1.00 |
| Drowning (0–5 years) | |
| Most disadvantaged quintile | 1.08 (0.75 to 1.55) |
| 2nd | 1.24 (0.86 to 1.78) |
| 3rd | 1.13 (0.78 to 1.63) |
| 4th | 1.13 (0.78 to 1.63) |
| Least disadvantaged quintile | 1.00 |
| Heat and other hot substances – all ages | |
| Most disadvantaged quintile | 1.34 (1.23 to 1.46)*** |
| 2nd | 1.33 (1.22 to 1.45)*** |
| 3rd | 1.07 (0.98 to 1.17) |
| 4th | 1.11 (1.01 to 1.21)* |
| Least disadvantaged quintile | 1.00 |
| Heat and other hot substances (0–5 years) | |
| Most disadvantaged quintile | 1.38 (0.99 to 1.92) |
| 2nd | 1.30 (0.94 to 1.81) |
| 3rd | 1.07 (0.77 to 1.50) |
| 4th | 1.09 (0.78 to 1.51) |
| Least disadvantaged quintile | 1.00 |
| Poisoning – all ages | |
| Most disadvantaged quintile | 1.41 (1.25 to 1.59)*** |
| 2nd | 1.33 (1.18 to 1.50)*** |
| 3rd | 1.29 (1.14 to 1.45)*** |
| 4th | 1.11 (0.98 to 1.25) |
| Least disadvantaged quintile | 1.00 |
| Poison (0–5 years) | |
| Most disadvantaged quintile | 1.36 (0.95 to 1.95) |
| 2nd | 1.33 (1.18 to 1.50)*** |
| 3rd | 1.29 (1.14 to 1.45)*** |
| 4th | 1.11 (0.98 to 1.25) |
| Least disadvantaged quintile | 1.00 |
| Self-harm (11–16 years) | |
| Most disadvantaged quintile | 0.92 (0.59 to 1.42) |
| 2nd | 1.16 (0.73 to 1.82) |
| 3rd | 1.19 (0.75 to 1.90) |
| 4th | 1.05 (0.66 to 1.68) |
| Least disadvantaged quintile | 1.00 |
| Assault | |
| Most disadvantaged quintile | 3.64 (3.16 to 4.19)*** |
| 2nd | 2.46 (2.13 to 2.84)*** |
| 3rd | 2.06 (1.79 to 2.38)*** |
| 4th | 1.40 (1.20 to 1.62)*** |
| Least disadvantaged quintile | 1.00 |
aAdjusted for age group, sex and socioeconomic status. bThe least disadvantaged quintile was used as the reference group for all variables. *p < 0.5, **p < 0.001, ***p < 0.0001