Prognostic factors significantly correlated with continuous neck pain after 1-year follow-up by univariate (P<0.1) and multivariate (P<0.05) logistic regression analysis (n = 138).
| Univariate analysis | Multivariate analyses | |||
|---|---|---|---|---|
| Item | β | OR (90% CI) | β | OR (95% CI) |
| Treated by physiotherapist before | 0.2 | 1.28 (1.00 to 1.64) | ||
| Mean score on the NRS | 0.2 | 1.24 (1.02 to 1.51) | ||
| Pain in the upper part of the neck | 0.4 | 1.48 (1.17 to 1.87) | 0.5 | 1.63 (1.25 to 2.12) |
| Additional headache | 1.0 | 2.71 (1.33 to 5.51) | ||
| Duration of complaints >2 weeks | 1.2 | 3.36 (1.62 to 6.94) | 1.7 | 5.31 (2.24 to 12.6) |
| Motor vehicle accident | 0.9 | 2.51 (1.09 to 5.80) | 1.7 | 5.34 (1.90 to 15.0) |
| Total score on the NDI | 0.1 | 1.07 (1.01 to 1.13) | ||
NDI = neck disability index. NRS = numerical pain-rating scale. OR = odds ratio.