Comparison of scores from Decisional Conflict Scale before and after PDA
| Item | Pre-PDA Mean (SD) | Post-PDA Mean (SD) | df | Cohen’s d | P value |
| I know which options are available to me. | 1.33 (0.97) | 0.17 (0.38) | 17 | 1.57 | <0.001 |
| I know the benefits of each option. | 1.28 (1.23) | 0.17 (0.38) | 17 | 1.22 | <0.001 |
| I know the risks and side effects of each option. | 2.50 (0.86) | 0.33 (0.77) | 17 | 2.66 | <0.001 |
| I am clear about which benefits matter most to me. | 1.56 (0.98) | 0.39 (0.78) | 17 | 1.32 | <0.001 |
| I am clear about which risks and side effects matter most to me. | 1.67 (1.18) | 0.47 (0.83) | 14 | 1.18 | 0.003 |
| I am clear about which is more important to me (the benefits or the risks and side effects). | 1.71 (1.16) | 0.35 (0.79) | 16 | 1.37 | <0.001 |
| I have enough advice to make a choice. | 2.11 (0.90) | 0.17 (0.38) | 17 | 2.81 | <0.001 |
| I am choosing without pressure from others. | 0.67 (0.49) | 0.28 (0.75) | 17 | 0.62 | 0.11 |
| I am clear about the best choice for me. | 1.61 (1.14) | 0.44 (0.78) | 17 | 1.20 | 0.001 |
| I feel sure about what to choose. | 2.28 (1.64) | 0.50 (0.79) | 17 | 1.38 | <0.001 |
| This decision is easy for me to make. | 2.33 (1.57) | 0.83 (0.99) | 17 | 1.14 | 0.001 |
| I feel I have made an informed choice. | 1.25 (0.42) | 1.06 (0.90) | 11 | 0.31 | 0.04 |
| My decision shows what is important to me. | 1.11 (0.76) | 0.22 (0.43) | 17 | 1.44 | <0.001 |
| I expect to stick with my decision. | 1.39 (0.85) | 0.39 (0.78) | 17 | 1.23 | 0.001 |
| I am satisfied with my decision. | 1.39 (0.78) | 0.39 (0.78) | 17 | 1.23 | <0.001 |
All items were measured on a scale from 0=strongly agree to 4=strongly disagree.
PDA, patient decision aid.