Variablea | Unadjusted OR (95% CI) | P | Adjustedb OR (95% CI) | P |
---|---|---|---|---|
Body Mass Index (BMI)e (kg/m2) | Â | 0.07 | Â | 0.005 |
  < 18.50 (underweight) | 1.28 (0.27, 6.02) |  | 0.87 (0.17, 4.40) |  |
 18.50-24.99 (normal) | 1.00 |  | 1.00 |  |
  ≥ 25.00 (overweight) | 2.14 (1.22, 3.76) |  | 3.05 (1.63, 5.68) |  |
  ≥ 30.00(obese) | 1.47 (0.80, 2.71) |  | 1.63 (0.83, 3.20) |  |
Vehicle type | Â | 0.02 | Â | 0.03 |
 Motor vehicle | 1.00 |  | 1.00 |  |
 Motorcycle | 0.49 (0.30, 0.80) |  | 0.47 (0.28, 0.82) |  |
 Bicycle | 0.66 (0.20, 2.16) |  | 0.91 (0.26, 3.21) |  |
Index of Relative Socioeconomic Disadvantage | Â | 0.09 | Â | 0.04 |
 Most disadvantaged (quintile 1) | 0.87 (0.42, 1.81) |  | 0.70 (0.32, 1.55) |  |
 More disadvantaged (quintile 2) | 1.30 (0.44, 3.89) |  | 1.13 (0.35, 3.67) |  |
 Average (quintile 3) | 1.00 |  | 1.00 |  |
 Less disadvantaged (quintile 4) | 0.45 (0.22, 0.93) |  | 0.37 (0.17, 0.82) |  |
 Least disadvantaged (quintile 5) | 0.62 (0.29, 1.33) |  | 0.39 (0.17, 0.90) |  |
Male | 0.56 (0.32, 0.95) | 0.03 | Â | Â |
Education skill levelc | Â | 0.11 | Â | Â |
 Bachelor degree and above | 1.00 |  |  |  |
 Certificate and advanced diploma | 0.59 (0.30, 1.16) |  |  |  |
 Secondary education | 0.73 (0.37, 1.47) |  |  |  |
 Pre-primary and primary education | 5.19 (0.62, 43.6) |  |  |  |
Work hours before injury | Â | 0.07 | Â | Â |
 Fulltime | 1.00 |  |  |  |
 Part time | 2.44 (1.13, 5.25) |  |  |  |
 Didn’t work | 1.28 (0.72, 2.27) |  |  |  |
Language other than English (yes) | 1.75 (1.05, 2.89) | 0.03 | Â | Â |
Risk of short term harm due to alcohol consumption (yes) | 0.58 (0.36, 0.94) | 0.03 | 0.56 (0.32, 0.97) | 0.04 |
Pre-morbid neck pain in last 6Â months (yes) | 0.41 (0.14, 1.18) | 0.10 | Â | Â |
Self-assessed pre-injury health statusd | Â | 0.08 | Â | 0.05 |
 Excellent | 1.00 |  | 1.00 |  |
 Very good | 1.12 (0.63, 1.98) |  | 1.45 (0.77, 2.74) |  |
 Good | 1.13 (0.59, 2.14) |  | 1.16 (0.58, 2.34) |  |
 Fair-Poor | 0.29 (0.10, 0.84) |  | 0.30 (0.09, 0.94) |  |