Table 3

Adjusted Models

Covariateβ-CoefficientP valueInterpretation
Factors Independently Associated with Change in Roland Score at Week 5
General Expectation−0.80 (−1.16, −0.43)<.0001Higher expectation, more improvement
Age+0.07 (0.02, 0.11).0068Younger, more improvement
Nonwhite vs. White+2.1 (0.80, 3.41).0016White, more improvement
Income>$75,000−1.62 (−2.90, −0.35).013Wealthier, more improvement
Are you depressed?−0.84 (−1.29, −0.38).0003Less depressed, more improvement
Baseline Roland score−0.60 (−0.73, −0.47)<.0001Worse baseline, more improvement
1st time seen MD for LBP−1.53 (−2.81, −0.25).0191st time seeing MD, more improvement
Leg pain or numbness−2.44 (−3.66, −1.21).0001No sciatica, more improvement
Factors Independently Associated with Change in Roland Score at Week 12
General Expectation−0.59 (−0.98, −0.21).0027Higher expectation, more improvement
Age+0.05 (0.0002, 0.10).049Younger, more improvement
Nonwhite vs. White+2.44 (1.12, 3.76).0003White, more improvement
Income>$75,000−1.37 (−2.66, −0.08).037Wealthier, more improvement
Are you depressed?−0.47 (−0.94, −0.003).048Less depressed, more improvement
Baseline Roland score−0.61 (−0.74, −0.47)<.0001Worse baseline, more improvement
1st time seen MD for LBP−1.98 (−3.26, −0.69).00271st time seeing MD, more improvement
Leg pain or numbness−2.38 (−3.62, −1.13).0002No sciatica, more improvement