Table 2 Effect of the Decision Aid on Knowledge, Accuracy of Risk Perception, and Values Clarity
Intervention group | Absolute difference | Adjusted p-value* | ||
|---|---|---|---|---|
Baseline | Post-DA | |||
Effect on knowledge | ||||
Identified “x” as strategy: | ||||
Hypertension med | 78% | 87% | +9% | =.09 |
Cholesterol med | 73% | 90% | +17% | <.01 |
Smoking cessation | 100% | 96% | -4% | -- |
Aspirin daily | 68% | 95% | +27% | <.0001 |
Diet low in saturated fat | 94% | 96% | +2% | =.32 |
Exercise regularly | 100% | 99% | -1% | -- |
Accurately identified most effective strategies for risk reduction | 54% | 82% | +28% | <.0001 |
Effect on accuracy of risk perception | ||||
Accurately perceives risk | 34% | 67% | +33% | <.0001 |
Effect on decision | ||||
Decisional conflict† | 2.57 | 1.94 | -0.63 | <.0001 |
Decision consistent with values‡ | 68% | 83% | +15% | =.02 |