Table 2.
Multivariable Linear Regression Models Examining the Association of Predictors With SDM
| Variable | Model 1. Patient Activation |
Model 2. Social Support |
Model 3. Physician Trust |
|---|---|---|---|
| Estimate (95% CI) | Estimate (95% CI) | Estimate (95% CI) | |
| Age category (y) | |||
| <65 | Reference | ||
| ≥65 | 9.25 (1.27-17.22) | 9.05 (1.03-17.07) | 8.97 (0.95-17.00) |
| Sex | |||
| Woman | Reference | ||
| Man | 2.04 (−5.85 to 9.94) | 2.58 (−5.35 to 10.50) | 3.20 (−4.70-11.09) |
| Race | |||
| White | Reference | ||
| Black/African American | −5.33 (−14.09 to 3.43) | −6.00 (−14.80 to 2.81) | −5.24 (−14.10 to 3.61) |
| Other | 3. 02 (−7.94 to 13.97) | 1.33 (−9.7 to 12.38) | 3.40 (−7.67 to 14.46) |
| Education | |||
| ≥ High school | Reference | ||
| < High school | 0.72 (−7.29 to 8.73) | 1.21 (−6.88 to 9.29) | −0.34 (−8.40 to 7.73) |
| Income | |||
| >$20,000 | Reference | ||
| ≤$20,000 | −1.82 (−9.90 to 6.26) | −2.12 (−10.26 to 6.03) | −2.22 (−10.38 to 5.93) |
| Time on dialysis (y) | 0.96 (−0.84 to 2.76) | 0.77 (−1.05 to 2.59) | 1.27 (−0.55 to 3.09) |
| Patient activation | 0.48 (0.24-0.73)a | – | – |
| Social support | – | 0.28 (0.11-0.45)a | – |
| Physician trust | – | – | 0.31 (0.12-0.49)a |
Denotes P ≤ 0.001.