Injury mechanism | IRR† (95% CI) | p Value |
Falls other than playground‡ | ||
Most disadvantaged quintile | 0.87 (0.82 to 0.92) | <0.0001 |
2nd | 1.08 (1.02 to 1.14) | 0.0094 |
3rd | 0.94 (0.88 to 0.99) | 0.0283 |
4th | 0.98 (0.92 to 1.04) | 0.4590 |
Least disadvantaged quintile | 1.00 | |
Struck by/against injuries‡ | ||
Most disadvantaged quintile | 0.88 (0.81 to 0.95) | 0.0010 |
2nd | 1.12 (1.04 to 1.21) | 0.0022 |
3rd | 0.84 (0.78 to 0.91) | <0.0001 |
4th | 1.04 (0.96 to 1.12) | 0.3478 |
Least disadvantaged quintile | 1.00 | |
Playground falls‡ | ||
Most disadvantaged quintile | 0.78 (0.73 to 0.83) | <0.0001 |
2nd | 1.00 (0.94 to 1.06) | 0.9821 |
3rd | 1.07 (1.00 to 1.14) | 0.0436 |
4th | 0.99 (0.93 to 1.06) | 0.8265 |
Least disadvantaged quintile | 1.00 | |
Pedal cycle‡ | ||
Most disadvantaged quintile | 1.30 (1.20 to 1.41) | <0.0001 |
2nd | 1.50 (1.39 to 1.63) | <0.0001 |
3rd | 1.40 (1.29 to 1.52) | <0.0001 |
4th | 1.33 (1.22 to 1.44) | <0.0001 |
Least disadvantaged quintile | 1.00 | |
Cut/pierce‡ | ||
Most disadvantaged quintile | 0.79 (0.74 to 0.85) | <0.0001 |
2nd | 1.00 (0.94 to 1.06) | 0.9540 |
3rd | 0.90 (0.84 to 0.96) | 0.0009 |
4th | 0.93 (0.87 to 0.99) | 0.0173 |
Least disadvantaged quintile | 1.00 | |
Poisoning‡ | ||
Most disadvantaged quintile | 1.52 (1.38 to 1.68) | <0.0001 |
2nd | 1.91 (1.73 to 2.10) | <0.0001 |
3rd | 1.32 (1.21 to 1.49) | <0.0001 |
4th | 1.34 (1.21 to 1.49) | <0.0001 |
Least disadvantaged quintile | 1.00 | |
Foreign bodies‡ | ||
Most disadvantaged quintile | 1.21 (1.09 to 1.34) | 0.0004 |
2nd | 1.23 (1.11 to 1.37) | <0.0001 |
3rd | 1.16 (1.04 to 1.29) | 0.0079 |
4th | 1.09 (0.98 to 1.21) | 0.1221 |
Least disadvantaged quintile | 1.00 | |
Fire and burns‡ | ||
Most disadvantaged quintile | 1.95 (1.69 to 2.26) | <0.0001 |
2nd | 2.00 (1.73 to 2.31) | <0.0001 |
3rd | 1.42 (1.21 to 1.66) | <0.0001 |
4th | 1.37 (1.17 to 1.60) | <0.0001 |
Least disadvantaged quintile | 1.00 | |
Motor cycle‡ | ||
Most disadvantaged quintile | 2.95 (2.48 to 3.50) | <0.0001 |
2nd | 3.29 (2.77 to 3.90) | <0.0001 |
3rd | 4.02 (3.40 to 4.76) | <0.0001 |
4th | 2.96 (2.49 to 3.52) | <0.0001 |
Least disadvantaged quintile | 1.00 | |
Motor-vehicle occupant | ||
Males | ||
Most disadvantaged quintile | 1.84 (1.55 to 2.17) | <0.0001 |
2nd | 2.27 (1.93 to 2.66) | <0.0001 |
3rd | 1.56 (1.30 to 1.86) | <0.0001 |
4th | 1.44 (1.20 to 1.72) | <0.0001 |
Least disadvantaged quintile | 1.00 | |
Females | ||
Most disadvantaged quintile | 1.80 (1.50 to 2.15) | <0.0001 |
2nd | 1.96 (1.65 to 2.33) | <0.0001 |
3rd | 1.33 (1.08 to 1.62) | 0.0059 |
4th | 1.73 (1.44 to 2.08) | <0.0001 |
Least disadvantaged quintile | 1.00 | |
Pedestrian | ||
0–4 years | ||
Most disadvantaged quintile | 2.54 (1.88 to 3.44) | <.0001 |
2nd | 2.17 (1.59 to 2.95) | <.0001 |
3rd | 2.06 (1.50 to 2.83) | <.0001 |
4th | 1.43 (1.03 to 2.00) | 0.0343 |
Least disadvantaged quintile | 1.00 | |
5–9 years | ||
Most disadvantaged quintile | 1.46 (1.12 to 1.90) | 0.0047 |
2nd | 1.49 (1.15 to 1.94) | 0.0028 |
3rd | 1.28 (0.97 to 1.69) | 0.0786 |
4th | 1.24 (0.94 to 1.63) | 0.1298 |
Least disadvantaged quintile | 1.00 | |
10–14 years | ||
Most disadvantaged quintile | 1.11 (0.86 to 1.43) | 0.4368 |
2nd | 1.25 (0.98 to 1.61) | 0.0766 |
3rd | 1.11 (0.85 to 1.44) | 0.4492 |
4th | 1.14 (0.88 to 1.48) | 0.3050 |
Least disadvantaged quintile | 1.00 | |
Other transport‡ | ||
Most disadvantaged quintile | 1.07 (0.94 to 1.21) | 0.3283 |
2nd | 1.40 (1.24 to 1.58) | <0.0001 |
3rd | 1.38 (1.22 to 1.56) | <0.0001 |
4th | 1.35 (1.19 to 1.52) | <0.0001 |
Least disadvantaged quintile | 1.00 | |
Other unintentional injuries‡ | ||
Most disadvantaged quintile | 0.81 (0.75 to 0.88) | <0.0001 |
2nd | 0.99 (0.91 to 1.07) | 0.7324 |
3rd | 0.88 (0.81 to 0.95) | 0.0022 |
4th | 0.91 (0.84 to 0.99) | 0.0254 |
Least disadvantaged quintile | 1.00 | |
All injury‡ | ||
Most disadvantaged quintile | 0.97 (0.92 to 1.02) | 0.1788 |
2nd | 1.17 (1.12 to 1.23) | <0.0001 |
3rd | 1.02 (0.98 to 1.08) | 0.3286 |
4th | 1.05 (1.00 to 1.10) | 0.0557 |
Least disadvantaged quintile | 1.00 |
IRR, incidence rate ratio.
*Adjusted for age and sex.
†The least disadvantaged quintile used as the reference category for each variable.
‡Model includes interaction between sex and age group.