Dependent Variable | Model | Independent Variable | β | 95% CI | p | Model p | Model R2 | R2 Change | R2 Change p |
---|---|---|---|---|---|---|---|---|---|
Physical component scale | 1 | Age | −0.19 | −0.26, −0.04 | 0.005 | 0.005 | 0.03 | 0.03 | 0.005 |
2 | Age | −0.23 | −0.30, −0.07 | 0.001 | 0.002 | 0.06 | 0.02 | 0.02 | |
Hispanic | −0.15 | −9.29, −0.56 | 0.02 | ||||||
3 | Age | −0.25 | −0.31, −0.09 | 0.001 | 0.001 | 0.09 | 0.03 | 0.03 | |
Hispanic | −0.14 | −8.80, −0.15 | 0.04 | ||||||
SLEDAI | −0.17 | −0.54, −0.70 | 0.01 | ||||||
SDI | 0.009 | −0.68, 0.78 | 0.89 | ||||||
4 | Age | −0.24 | −0.31, −0.09 | 0.001 | 0.001 | 0.11 | 0.02 | 0.02 | |
Hispanic | −0.12 | −8.28, 0.33 | 0.07 | ||||||
SLEDAI | −0.15 | −0.50, −0.03 | 0.02 | ||||||
SDI | 0.03 | −0.57, 0.89 | 0.66 | ||||||
Education | 0.15 | 0.20, 3.43 | 0.02 | ||||||
5 | Age | −0.26 | −0.31, −0.10 | 0.001 | 0.001 | 0.13 | 0.02 | 0.03 | |
Hispanic | −0.12 | −8.14, 0.39 | 0.07 | ||||||
SLEDAI | −0.14 | −0.49, −0.01 | 0.03 | ||||||
SDI | 0.02 | −0.61, 0.84 | 0.74 | ||||||
Education | 0.12 | −0.09, 3.15 | 0.06 | ||||||
Z-AHI* | 0.14 | 0.39, 8.01 | 0.03 |
↵* US dollars (unit = 1000). SLEDAI: Systemic Lupus Erythematosus Disease Activity Index; SDI: American College of Rheumatology Damage Index; Z-AHI: zip code-based annual household income.