Table 3
Adjusted Models
| Covariate | β-Coefficient | P value | Interpretation |
|---|---|---|---|
| Factors Independently Associated with Change in Roland Score at Week 5 | |||
| General Expectation | −0.80 (−1.16, −0.43) | <.0001 | Higher expectation, more improvement |
| Age | +0.07 (0.02, 0.11) | .0068 | Younger, more improvement |
| Nonwhite vs. White | +2.1 (0.80, 3.41) | .0016 | White, more improvement |
| Income>$75,000 | −1.62 (−2.90, −0.35) | .013 | Wealthier, more improvement |
| Are you depressed? | −0.84 (−1.29, −0.38) | .0003 | Less depressed, more improvement |
| Baseline Roland score | −0.60 (−0.73, −0.47) | <.0001 | Worse baseline, more improvement |
| 1st time seen MD for LBP | −1.53 (−2.81, −0.25) | .019 | 1st time seeing MD, more improvement |
| Leg pain or numbness | −2.44 (−3.66, −1.21) | .0001 | No sciatica, more improvement |
| Factors Independently Associated with Change in Roland Score at Week 12 | |||
| General Expectation | −0.59 (−0.98, −0.21) | .0027 | Higher expectation, more improvement |
| Age | +0.05 (0.0002, 0.10) | .049 | Younger, more improvement |
| Nonwhite vs. White | +2.44 (1.12, 3.76) | .0003 | White, more improvement |
| Income>$75,000 | −1.37 (−2.66, −0.08) | .037 | Wealthier, more improvement |
| Are you depressed? | −0.47 (−0.94, −0.003) | .048 | Less depressed, more improvement |
| Baseline Roland score | −0.61 (−0.74, −0.47) | <.0001 | Worse baseline, more improvement |
| 1st time seen MD for LBP | −1.98 (−3.26, −0.69) | .0027 | 1st time seeing MD, more improvement |
| Leg pain or numbness | −2.38 (−3.62, −1.13) | .0002 | No sciatica, more improvement |