Table 4.
Noninferiority of Telephone Counseling to In-Person Counseling on Psychosocial, Quality-of-Life, and Informed Decision–Making Outcomes Per-Protocol Analysis
| Outcome | Mean Difference | 97.5% CI | Noninferiority Margin* |
|---|---|---|---|
| Anxiety | 0.08 | −0.52 to 0.45 | 5 |
| Cancer-specific distress | 0.66 | −1.75 to 2.28 | 4 |
| Quality of life: physical health | −0.39 | −1.35 to 1.06 | −2.5 |
| Quality of life: mental health | 0.30 | −0.83 to 2.26 | −2.5 |
| Decisional conflict | −0.12 | −3.69 to 2.03 | 4 |
| Decisional regret | −0.31 | −4.25 to 2.29 | 5 |
| Perceived personal control | −0.01 | −0.06 to 0.06 | −0.2 |
A noninferiority test tests that the telephone counseling mean is not worse than the in-person counseling mean (as the reference mean) by more than the prespecified noninferiority margin.