Table 3.
Relationships between patient race/gender and willingness to undergo arthroplasty
| Willing, n | Unwilling, n | OR (95% CI) a | |
|---|---|---|---|
| Model 1 b,f | |||
| White Male (Referent) | 177 | 35 | |
| White Female | 232 | 67 | 0.68 (0.44, 1.08) |
| AA Female | 131 | 75 | 0.35 (0.22, 0.55) |
| AA Male | 45 | 31 | 0.29 (0.16, 0.51) |
| Model 2 c,f | |||
| White Male (Referent) | 163 | 28 | |
| White Female | 205 | 57 | 0.57 (0.34, 0.96) |
| AA Female | 119 | 64 | 0.33 (0.18, 0.60) |
| AA Male | 44 | 31 | 0.26 (0.13, 0.52) |
| Model 3 d,f | |||
| White Male (Referent) | 163 | 28 | |
| White Female | 205 | 57 | 0.59 (0.35, 1.01) |
| AA Female | 119 | 64 | 0.36 (0.20, 0.65) |
| AA Male | 44 | 31 | 0.28 (0.14, 0.55) |
| Model 4 e,f | |||
| White Male (Referent) | 163 | 28 | |
| White Female | 205 | 57 | 0.60 (0.35, 1.02) |
| AA Female | 119 | 64 | 0.35 (0.19, 0.64) |
| AA Male | 44 | 31 | 0.28 (0.14, 0.54) |
a
Odds Ratio (95% Confidence Interval); 95% CIs are calculated using robust variance estimates
b
Model 1 = Race by sex only
c
Model 2 = Model 1 + site (VA or non-VA), age, income, and WOMAC total score
d
Model 3 = Model 2 + marital status + #close friends or family
e
Model 4 = Model 3 + MOS Social Support
f
Likelihood Ratio Test for Heterogeneity, p ≤0.001
AA=African-American; MOS=Medical Outcomes Study; WOMAC=Western Ontario McMaster Instrument