Variables | PCS | |||
Estimate | SE | p | Incremental Change in R2 | |
Intercept | 37.33 | 3.32 | < 0.0001 | — |
Sex | 1.56 | 0.89 | 0.08 | |
Age | 0.07 | 0.04 | 0.08 | 0.03* |
Duration of PsA | −0.04 | 0.05 | 0.434 | |
No. actively inflamed joints | −0.45 | 0.05 | < 0.0001 | 0.16 |
Employed | 4.31 | 1.09 | < 0.0001 | 0.04 |
Three or more comorbid conditions | −4.91 | 1.00 | < 0.0001 | 0.02 |
Elevated ESR | −2.51 | 0.95 | 0.009 | 0.01 |
Biologic agents ever used | −2.08 | 1.00 | 0.038 | 0.006 |
College or university education | 2.32 | 1.01 | 0.02 | 0.006 |
Current smoker | −1.19 | 0.52 | 0.02 | 0.005 |
NSAID ever used | −2.74 | 1.30 | 0.04 | 0.005 |
Anemia | −2.63 | 1.32 | 0.05 | 0.005 |
Multiple R2 = 0.29 | ||||
Adjusted R2 = 0.28 | ||||
No. observations deleted due to missing data = 55 | ||||
Variables | MCS | |||
Estimate | SE | p | Incremental Change in R2 | |
Intercept | 40.35 | 3.17 | < 0.0001 | — |
Sex | −0.21 | 0.89 | 0.81 | |
Age | 0.09 | 0.04 | 0.04 | 0.01* |
Duration of PsA | 0.08 | 0.05 | 0.07 | |
No. actively inflamed joints | −0.14 | 0.05 | 0.003 | 0.03 |
Employed | 2.40 | 1.08 | 0.03 | 0.02 |
Current smoker | −1.60 | 0.52 | 0.002 | 0.01 |
Three or more comorbid conditions | −2.84 | 1.00 | 0.005 | 0.01 |
College or university education | 2.09 | 1.01 | 0.04 | 0.007 |
Multiple R2 = 0.09 | ||||
Adjusted R2 = 0.08 | ||||
No. observations deleted due to missing data = 29 |
See Table 1 for definitions.
↵* Incremental change in R2 for step 1 of multivariate analyses that forced entry of sex, age, and duration of PsA. SE: standard error.