Table 2 Comparison of decision aid (DA) and no decision aid (noDA) regarding shared decision making, knowledge about PSA, decision concerning PSA test and distribution according to cost compensation (CC).
DA (n = 519) | noDA (n = 443) | p-value | |
|---|---|---|---|
Assessment of participants’ decision making n(%) | n = 489 | n = 415 | < 0.001 |
Only by myself | 193 (39) | 112 (27) | |
Mostly by myself | 103 (21) | 73 (18) | |
By physician and myself | 185 (38) | 219 (53) | |
Mostly by physician | 6 (1) | 9 (2) | |
Only by physician | 2 (0) | 2 (0) | |
SDM-Q-9-score (0–100) for shared decision making at T0 | n = 490 | n = 410 | < 0.001 |
Median | 84.4 | 88.9 | |
Q25; Q75 | 64.4; 95.6 | 71.1; 100 | |
Range | 8.9–100 | 0–100 | |
Participants’ knowledge (Watson-score: 1–11) | n = 495 | n = 420 | < 0.001 |
Median | 8 | 7 | |
Q25; Q75 | 6; 9 | 5; 8 | |
Range | 0–11 | 0–11 | |
Participants’ decision at T1 n(%) | n = 487 | n = 423 | < 0.001 |
PSA test | 350 (72) | 373 (88) | |
No PSA test | 106 (22) | 32 (8) | |
No decision | 31 (6) | 18 (4) | |
PSA test performed until T2 n(%) | n = 457 | n = 409 | < 0.001 |
Yes | 341 (75) | 361 (88) | |
No | 114 (25) | 47 (11) | |
Don ‘t know | 2 (0) | 1 (0) | |
Proportion of men who decided for PSA test according to CC at T1 n(%) | |||
CC | 223 (81) | 246 (94) | < 0.001 |
noCC | 127 (60) | 127 (78) | < 0.001 |