Table 5. Correlations between the 9-Item Shared Decision-Making Questionnaire (SDM-Q-9), Shared Decision-Making Questionnaire–Physician version (SDM-Q-Doc), and external criteria .
| SDM-Q-Doc | SDM-Q-9 | |
| SDM-Q-9 | 0.41 | - |
| SDM-Q-Doc | - | 0.41 |
| Depressiona | -0.60 | -0.55 |
| Anxietya | -0.66 | -0.62 |
| Family Decision-Making Self-Efficacy Scale | 0.52 | - |
| Illness educationb | 0.53 | - |
| Assertivenessb | 0.62 | - |
| Mindful non-adherenceb | 0.40 | - |
| Insomnia Severity Index | -0.58 | -0.49 |
| Epworth Sleepiness Scale | -0.60 | -0.53 |
| Physician satisfaction | 0.41 | 0.67 |
| Patient satisfactionc | 0.69 | 0.33 |
a Measured using Hospital Anxiety and Depression Scale.
b Measured using Patient Self-Advocacy Scale.
c Measured using the 7-item Short Assessment of Patient Satisfaction.
All P values < 0.001.