15250-m-cuypers

120 Chapter 6 Table 3. Effects of the DA Outcome DA group, N=235 Mean (SD) Control group, N=101 Mean (SD) β p Involvement Weighing treatment pros and cons 3.3 (0.8) 3.2 (0.8) 0.25 .12 Treatment decision 3.6 (0.9) 3.5 (0.8) 0.07 .50 Preparation for decision-making 3.6 (0.9) 4.2 (0.6) -0.55 <.001 Decisional conflict Full scale 23.5 (13.4) 24.1 (13.0) -1.30 .39 Informed subscale 16.8 (16.1) 17.7 (17.1) -1.03 .60 Values clarity subscale 30.0 (17.8) 31.8 (17.0) -2.55 .30 Support subscale 22.4 (16.7) 21.1 (16.0) 0.07 .97 Uncertainty subscale 33.9 (23.5) 33.5 (21.2) -0.75 .81 Effective decision subscale 16.8 (14.3) 18.4 (15.9) -1.99 .26 Knowledge Objective knowledge 7.5 (2.1) 7.2 (2.0) 0.32 .30 Subjective knowledge 7.0 (1.4) 6.6 (1.5) 0.43 .01 Satisfaction with information Full scale 3.8 (0.8) 4.1 (0.6) -0.25 .04 Information usability for patient 3.8 (0.9) 4.1 (0.7) -0.35 .01 Information usability for spouse 3.7 (1.0) 4.1 (0.7) -0.33 .02 Amount of written information 3.8 (0.9) 4.1 (0.8) -0.37 .02 Amount of oral information 3.7 (0.9) 4.1 (0.8) -0.36 .02 Information completeness 3.7 (0.9) 4.1 (0.7) -0.40 .01 Information comprehensiveness 3.9 (0.9) 4.1 (0.8) -0.14 .31 Information accessibility 3.9 (0.9) 4.1 (0.7) -0.14 .30 Moment of receipt 4.0 (0.9) 4.1 (0.7) -0.10 .39 Delivery method 4.1 (0.9) 4.1 (0.8) -0.06 .58 Means and standard deviations (SD) are presented as observed in the dataset. Beta’s represent the effect of the DA compared to the control group as obtained from linear multilevel regression analyses, controlling for HADS score.