Table 3.
Mean differences in outcomes between arms according to gender mix
| Outcome | Gender Mix | N (N (DA)) | Mean Diff a (DA – UC) (95% CI) | Adj. Mean Diff b (DA - UC) (95% CI) |
|---|---|---|---|---|
| DCS Support |
Same |
344 (172) |
3.8 (-0.1, 7.7) |
3.9 (-0.3, 8.0) |
| Male CL/Female PT |
258 (121) |
8.3 (3.6, 12.9) |
8.4 (3.6, 13.2) |
|
| Female CL/Male PT |
104 (74) |
8.4 (-2.0, 18.9) |
8.3 (-0.2, 16.8) |
|
| DCS Informed |
Same |
347 (172) |
8.3 (4.2, 12.5) |
7.8 (3.4, 12.1) |
| Male CL/Female PT |
259 (122) |
12.4 (7.5, 17.3) |
12.7 (7.8, 17.6) |
|
| Female CL/Male PT |
104 (74) |
9.3 (-0.1, 18.7) |
9.5 (0.7, 18.3) |
|
| DCS Effective |
Same |
346 (172) |
0.8 (0.1, 1.6) |
1.1 (0.3, 1.8) |
| Male CL/Female PT |
259 (121) |
0.9 (0.0, 1.8) |
1.0 (0.1, 1.9) |
|
| Female CL/Male PT |
104 (74) |
1.8 (0.1, 3.4) |
1.8 (0.2, 3.3) |
|
| DCS Certain |
Same |
251 (126) |
6.8 (2.1, 11.5) |
7.0 (2.2, 11.7) |
| Male CL/Female PT |
233 (115) |
5.5 (0.3, 10.6) |
5.5 (0.6, 10.4) |
|
| Female CL/Male PT |
56 (34) |
12.6 (3.1, 22.1) |
14.0 (3.7, 24.3) |
|
| DCS Values |
Same |
251 (126) |
10.9 (5.9, 15.9) |
10.0 (5.2, 14.8) |
| Male CL/Female PT |
233 (115) |
9.8 (4.7, 15.0) |
9.9 (4.9, 14.8) |
|
| Female CL/Male PT |
56 (34) |
12.3 (1.4, 23.1) |
14.2 (3.7, 24.6) |
|
| Knowledge |
Same |
291 (153) |
13.3% (7.7, 18.9) |
13.7% (7.7, 18.6) |
| Male CL/Female PT |
248 (120) |
15.4% (9.4, 21.5) |
15.4 (9.5, 21.2) |
|
| Female CL/Male PT |
62 (38) |
20.3% (8.6, 32.1) |
21.0% (9.1, 32.9) |
|
| Engagement (OPTION) |
Same |
231 (120) |
19.5 (14.6, 24.5) |
19.4 (15.9, 22.8) |
| Male CL/Female PT |
205 (99) |
17.4 (12.1, 22.8) |
19.0 (15.3, 22.6) |
|
| Female CL/Male PT |
56 (33) |
16.8 (8.6, 25.0) |
19.1 (12.2, 26.1) |
|
| Satisfaction |
Same |
340 (170) |
15.9 (6.2, 25.6) |
18.4 (7.4, 29.5) |
| Male CL/Female PT |
254 (122) |
8.0 (-3.2, 19.2) |
8.1 (-4.2, 20.3) |
|
| Female CL/Male PT |
101 (70) |
17.7 (-1.8, 37.1) |
19.8 (-1.4, 41.0) |
|
| Concordance |
Same |
287 (144) |
-8.9 (-19.3, 1.6) |
-6.2 (-15.1, 2.7) |
| Male CL/Female PT |
202 (103) |
-17.7 (-30.1, -5.2) |
-16.2 (-28.7, -3.7) |
|
| Female CL/Male PT | 94 (66) | 10.0 (-10.4, 30.3) | 7.6 (-9.2, 24.5) |
Abbreviations: DCS decisional conflict scale, M male, F Female, CL clinician CL, PT patient.
aUnadjusted comparison.
bAdjusted by fixed effects of age, education and type of clinician, interaction of gender mix and arm and a random effect of study.