Variables | PCS | |||
B | SE | p | Incremental Change in R2 | |
Intercept | 38.94 | 3.40 | < 0.0001 | |
Sex | 1.31 | 0.93 | 0.16 | |
Age | 0.007 | 0.04 | 0.86 | 0.03* |
Duration of PsA | 0.009 | 0.05 | 0.86 | |
No. actively inflamed joints | −0.41 | 0.05 | < 0.0001 | 0.16 |
Employed | 4.52 | 1.10 | < 0.0001 | 0.04 |
Fibromyalgia | −6.50 | 1.62 | < 0.0001 | 0.03 |
Neurological disorder | −6.03 | 1.58 | 0.0002 | 0.02 |
NSAID ever used | −3.57 | 1.31 | 0.007 | 0.01 |
College or university education | −2.31 | 1.04 | 0.03 | 0.01 |
Obesity | −2.43 | 0.96 | 0.01 | 0.007 |
Anemia | −3.27 | 1.31 | 0.01 | 0.008 |
Multiple R2 = 0.33 | ||||
Adjusted R2 = 0.31 | ||||
No. observations deleted due to missing data = 102 | ||||
Variables | MCS | |||
B | SE | p | Incremental Change in R2 | |
Intercept | 45.22 | 3.03 | < 0.0001 | |
Sex | −0.95 | 0.91 | 0.30 | |
Age | 0.04 | 0.04 | 0.33 | 0.01* |
Duration of PsA | 0.07 | 0.05 | 0.14 | |
Depression, anxiety | −7.20 | 1.11 | < 0.0001 | 0.08 |
Current smoker | −1.77 | 0.52 | 0.0008 | 0.02 |
No. actively inflamed joints | −0.12 | 0.05 | < 0.01 | 0.02 |
College or university education | 2.89 | 1.01 | 0.005 | 0.01 |
Fibromyalgia | −4.12 | 1.58 | 0.01 | 0.01 |
Multiple R2 = 0.15 | ||||
Adjusted R2 = 0.14 | ||||
No. observations deleted due to missing data = 60 |
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.