Table 6

Multivariate analyses testing associations with the outcome variable. Significant findings written in bold.

Models
Variables tested
OR and 95% CI
• Sensitivity
• Specificity
• Numbers correctly classified
• Area under the ROC


General health
1.1 (0.6–2.1)



BMI
1.4 (1.0–2.0)



Other spinal pain past yr
- yes < 30 d
- yes > 30 d
0.7 (0.4–1.1)
1.0 (0.7–1.4)


Final minimal Finnish model, i.e. retaining the "best" variables
Leg pain
1.6 (1.2–2.1)
54%, 80%, 71%, 72%


Better at 2nd visit
5.0 (3.6–7.1)



BMI
1.4 (1.0–2.0)


Malmqvist et al. Chiropractic & Osteopathy 2008 16:13   doi:10.1186/1746-1340-16-13