Table 3.
Multivariable regressionsa for decisional outcome measures.
| Outcome Measure | Primary Outcome | Secondary Outcome | ||
|---|---|---|---|---|
| Decisional Conflict | Preparation for Decision- Making | |||
| Estimate (SE) | P Value | Estimate (SE) | P Value | |
| Intervention effect (DA-CTL) | −12.70 (5.26) | .019 | 22.19 (5.75) | <.001 |
| Covariates | ||||
| Intervention mode (REF = telephone) | ||||
| In-person | −3.45 (7.16) | .632 | −5.43 (7.98) | .499 |
| Age (REF = 70+ y) | ||||
| 60–65 | −4.27 (6.75) | .529 | 4.73 (7.21) | .515 |
| 66–70 | 6.80 (7.12) | .344 | −6.30 (8.02) | .436 |
| Male | −9.15 (7.50) | .228 | 4.62 (8.36) | .583 |
| Non-Hispanic White | 0.16 (5.92) | .978 | -9.53 (6.45) | .145 |
| Education (REF = college or higher) | ||||
| High school (≤ 12 y) | 2.24 (8.36) | .790 | 12.85 (9.37) | .176 |
| Some college (13–15 y) | −3.88 (5.92) | .515 | 7.86 (6.37) | .223 |
| Marital status (REF = others) | ||||
| Married or living as married | 2.58 (6.13) | .675 | −0.15 (6.56) | .982 |
| Single or never married | 0.05 (8.56) | .995 | −3.20 (8.99) | .723 |
| Baseline apnea-hypopnea index | −0.09 (0.19) | .626 | −0.03 (0.20) | .878 |
| Epworth Sleepiness Scale | 0.82 (0.56) | .153 | −0.44 (0.57) | .443 |
a
Each column represents a multivariable regression, controlling for study site. CTL = control, DA, Decide2Rest decision aid, REF = reference group.