| Post-treatment decision (T1) | 3-month follow-up (T2) | ||||
---|---|---|---|---|---|---|
Control | Intervention | Â | Control | Intervention | Â | |
 | M (SD, n) | M (SD, n) | SMD (95% CI) | M (SD, n) | M (SD, n) | SMD (95% CI) |
Decisional Conflict Scale (/100) | ||||||
 Total | 30.19 (20.1, 69) | 23.80 (15.19, 74) | 0.36 (0.30, 0.69) | – | – | – |
 Uncertainty | 41.91 (26.62, 69) | 32.09 (20.26, 74) | 0.42 (0.08, 0.08) | – | – | – |
 Uninformed | 28.74 (25.31, 69) | 21.73 (19.84, 74) | 0.31 (−0.02, 0.64) | – | – | – |
 Unclear values | 22.95 (20.88, 69) | 18.81 (16.78, 74) | 0.22 (−0.11, 0.55) | – | – | – |
 Unsupported | 28.99 (22.31, 69) | 22.75 (16.22, 74) | 0.32 (−0.01, 0.65) | – | – | – |
 Effective decision | 28.8 (21.89, 69) | 23.65 (17.56, 74) | 0.26 (−0.07, 0.59) | – | – | – |
Subjective understanding of treatment (/5) | 3.66 (0.84, 59) | 3.84 (0.75, 66) | −0.22 (− 0.57, 0.14) | 3.85 (0.67, 45) | 3.93 (0.9, 38) | −0.10 (− 0.54, 0.33) |
Preparation for Decision-making Scale (/100) | 50.47 (28.46, 58) | 62.08 (24.31, 59) | −0.44 (− 0.81, − 0.07) | – | – | – |
Decisional Regret Scale (/100) | – | – | – | 25.11 (22.95, 47) | 17.05 (14.68, 44) | 0.42 (0.01, 0.84) |
 | ‘yes’ n (%) | ‘yes’ n (%) | OR (95% CI) | ‘yes’ n (%) | ‘yes’ n (%) | OR (95% CI) |
Experienced preferred level of involvement in decisions (triadic) | 28 (39%) | 30 (38%) | 0.96 (0.50,1.86) | 15 (32%) | 12 (33%) | 1.07 (0.45, 2.55) |