Final model with six independent predictors of early whiplash
| Variable | Odds ratio (95% CI) | Likelihood ratio χ2* |
|---|---|---|
| *Obtained as the change in the model deviance (−2log(likelihood)) that results when each covariate is removed from the full six covariate model. | ||
| 95% CI, 95% confidence interval. | ||
| Age | 0.957 (0.942–0.972) | 34.05 |
| Previous neck pain | 8.32 (2.89–23.89) | 25.55 |
| Occupational class | 8.49 | |
| Professional and managerial | 1.00 | |
| Semi-skilled or skilled | 2.01 (1.04–3.86) | |
| Unemployed or unskilled | 0.97 (0.49–1.91) | |
| Car size | 7.98 | |
| Mini | 1.00 | |
| Small | 1.74 (0.99–3.04) | |
| Large | 2.29 (1.24–4.19) | |
| Struck car stationary | 2.15 (1.25–3.71) | 7.39 |