Table 2.
Self-Efficacy and Concordance
| Self-Efficacy (pre to post change by group) | |||||||
|---|---|---|---|---|---|---|---|
| Group | N | Pre-Intervention | Post-Intervention | Raw Mean Change | Adjusted Mean Change* | P-value (within)* | P-value (between)* |
| Basic ACP | 135 | 90.1 (88.3, 91.8) |
93.3 (92.2, 94.4) |
3.2 (1.7, 4.7) |
3.2 (1.0, 5.3) |
0.004 | 0.054 |
| MYWK | 132 | 90.2 (88.5, 91.9) |
92.1 (90.6, 93.7) |
2.0 (0.9, 3.1) |
1.7 (−0.5, 3.9) |
0.134 | |
| Alone | 126 | 90.2 (88.3, 92.1) |
92.6 (81.4, 93.9) |
2.5 (1.0, 4.0) |
2.3 (0.2, 4.5) |
0.033 | 0.823 |
| Together | 141 | 90.1 (88.6, 91.6) |
92.8 (91.4, 94.2) |
2.7 (1.5, 3.9) |
2.5 (0.3, 4.7) |
0.026 | |
| Concordance (percentage of questions where patients and family members agree) | |||||||
| Group | N |
Raw (% agreement) |
Adjusted (% agreement)* |
P-Value (between)* | |||
| Basic ACP | 135 | 70.8 (67.3, 74.3) |
79.7 (72.7, 86.8) |
0.032 | |||
| MYWK | 132 | 76.1 (72.8, 79.4) |
85.2 (77.9, 92.4) |
||||
| Alone | 126 | 72.3 (68.7, 75.8) |
80.6 (73.5, 87.7) |
0.149 | |||
| Together | 141 | 74.4 (71.1, 77.8) |
84.3 (77.0, 91.5) |
||||
*
Two-way ANOVA adjusted for the pre-measurement and confounders: prior completion of advance directive, disease, study site, race/ethnicity