Characteristic | Betad | 95% CIc | p-value |
---|---|---|---|
ODI at BLb | 6.3 | 3.1, 9.5 | < 0.001 |
ODI at BL in two groups: Low ( = < 12) & High (> 12) |  |  |  |
 Low | — | — |  |
 High | 16 | 11, 21 | < 0.001 |
SBT category: Low vs. Medium/High (independent variable) | Â | Â | Â |
 Low | — | — |  |
 Medium/High | -1.0 | -6.4, 4.3 | 0.7 |
Type back pain: LBP vs. Referred/Radicular (independent variable) | Â | Â | Â |
 LBP | — | — |  |
 Referred/Radicular | 0.62 | -3.9, 5.1 | 0.8 |
Linear change during first 6 months | 0.24 | -1.7, 2.2 | 0.8 |
ODI at BL in two groups: Low ( = < 12) & High (> 12) * Linear change during first 6 months |  |  |  |
 High * Linear change during first 6 months | -6.5 | -9.4, -3.6 | < 0.001 |
SBT category: Low vs. Medium/High * Linear change during first 6 months | Â | Â | Â |
 Medium/High * Linear change during first 6 months | 1.5 | -1.8, 4.7 | 0.4 |
Type back pain: LBP vs. Referred/Radicular * Linear change during first 6 months | Â | Â | Â |
 Referred/Radicular * Linear change during first 6 months | -0.26 | -3.0, 2.5 | 0.9 |
SBT category: Low vs. Medium/High * ODI at BL in two groups: Low ( = < 12) & High (> 12) * Linear change during first 6 months | |||
 Medium/High * High * Linear change during first 6 months | -7.1 | -11, -3.2 | < 0.001 |
ODI at BL in two groups: Low ( = < 12) & High (> 12) * Type back pain: LBP vs. Referred/Radicular * Linear change during first 6 months | |||
 High * Referred/Radicular * Linear change during first 6 months | 1.2 | -2.3, 4.6 | 0.5 |
Quadratic change during first 6 months | -0.07 | -0.37, 0.22 | 0.6 |
ODI at BL in two groups: Low ( = < 12) & High (> 12) * Quadratic change during first 6 months |  |  |  |
 High * Quadratic change during first 6 months | 0.79 | 0.36, 1.2 | < 0.001 |
SBT category: Low vs. Medium/High * Quadratic change during first 6 months | Â | Â | Â |
 Medium/High * Quadratic change during first 6 months | -0.21 | -0.71, 0.28 | 0.4 |
Type back pain: LBP vs. Referred/Radicular * Quadratic change during first 6 months | Â | Â | Â |
 Referred/Radicular * Quadratic change during first 6 months | 0.03 | -0.39, 0.44 | > 0.9 |
SBT category: Low vs. Medium/High * ODI at BL in two groups: Low ( = < 12) & High (> 12) * Quadratic change during first 6 months | |||
 Medium/High * High * Quadratic change during first 6 months | 0.95 | 0.35, 1.5 | 0.002 |
ODI at BL in two groups: Low ( = < 12) & High (> 12) * Type back pain: LBP vs. Referred/Radicular * Quadratic change during first 6 months | |||
 High * Referred/Radicular * Quadratic change during first 6 months | -0.22 | -0.74, 0.31 | 0.4 |
Difference between ODI at 6 and 12 months | -0.89 | -4.3, 2.5 | 0.6 |
ODI at BL in two groups: Low ( = < 12) & High (> 12) * Difference between ODI at 6 and 12 months |  |  | |
 High * Difference between ODI at 6 and 12 months | -4.2 | -9.1, 0.77 | 0.10 |
SBT category: Low vs. Medium/High * Difference between ODI at 6 and 12 months | Â | Â | Â |
 Medium/High * Difference between ODI at 6 and 12 months | 1.1 | -4.6, 6.8 | 0.7 |
Type back pain: LBP vs. Referred/Radicular * Difference between ODI at 6 and 12 months | Â | Â | Â |
 Referred/Radicular * Difference between ODI at 6 and 12 months | 1.6 | -3.2, 6.3 | 0.5 |
SBT category: Low vs. Medium/High * ODI at BL in two groups: Low ( = < 12) & High (> 12) * Difference between ODI at 6 and 12 months | |||
 Medium/High * High * Difference between ODI at 6 and 12 months | 2.9 | -3.8, 9.7 | 0.4 |
ODI at BL in two groups: Low ( = < 12) & High (> 12) * Type back pain: LBP vs. Referred/Radicular * Difference between ODI at 6 and 12 months | |||
 High * Referred/Radicular * Difference between ODI at 6 and 12 months | -1.6 | -7.6, 4.4 | 0.6 |
 SBT category: Low vs. Medium/High * ODI at BL in two groups: Low ( = < 12) & High (> 12) |  |  |  |
 Medium/High * High | 9.1 | 2.7, 16 | 0.006 |
ODI at BL in two groups: Low ( = < 12) & High (> 12) * Type back pain: LBP vs. Referred/Radicular |  |  | |
 High * Referred/Radicular | 1.6 | -4.0, 7.3 | 0.6 |
random intercept (sd) | 7.8 | Â | Â |
correlation random effects | -0.50 | Â | Â |
random linear slope (sd) | 1.2 | Â | Â |
residuals (sd) | 8.1 | Â | Â |
AIC | 10,189 | Â | Â |
BIC | 10,46 | Â | Â |