Table 2 Descriptive statistics of preference scores, internal consistency and concurrent validation parameters
Preference scores | Internal consistency | Association of preference scores and global medical care goal | Association of scenario preference scores and how would you feel-items | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Preference scores T0 | Mean (SD) changes (T0-T2) in preference scores | ||||||||||
Preference score scale | n | Mean (SD) T0 | IG | CG | Cronbach’s α | n | Cramér’s V | Significance | n | Cramér’s V | Significance |
Scenario | |||||||||||
S1 – Current health status | 69 | 11.6 (4.7) | -2.2 (3.4) | -1.2 (3.2) | 0.718 | 66 | 0.596 | 0.136 | 69 | 0.805 | 0.103 |
S2 – Advanced dementia | 69 | 5.6 (5.4) | -1.4 (4.5) | 0.3 (5.4) | 0.828 | 67 | 0.721 | 0.003 | 68 | 0.748 | < 0.001 |
S3 – Stroke with paralysis | 70 | 6.1 (5.6) | -2.0 (4.0) | -1.2 (5.6) | 0.838 | 68 | 0.636 | 0.051 | 68 | 0.889 | < 0.001 |
S4 – Stroke with six weeks coma | 71 | 4.9 (5.6) | -1.5 (3.7) | -0.8 (4.9) | 0.875 | 69 | 0.643 | 0.012 | 70 | 0.700 | < 0.001 |
S5 – Incurable brain tumor | 66 | 3.9 (4.9) | -1.2 (3.2) | -1.9 (4.8) | 0.838 | 64 | 0.534 | 0.195 | 65 | 0.836 | < 0.001 |
Treatment | |||||||||||
TP1– Antibiotics | 70 | 9.9 (5.8) | -1.5 (5.3) | -0.2 (4.6) | 0.812 | 68 | 0.568 | 0.144 | |||
TP2 – Resuscitation | 69 | 5.0 (5.6) | -1.4 (2.1) | -1.4 (3.7) | 0.854 | 67 | 0.694 | 0.002 | |||
TP3 – Cholecystec-tomy | 65 | 9.7 (6.1) | -2.9 (6.1) | -1.7 (5.1) | 0.856 | 63 | 0.617 | 0.198 | |||
TP4 – Temporary artificial nutrition | 72 | 5.7 (6.4) | -3.3 (5.3) | -1.1 (5.9) | 0.918 | 70 | 0.684 | 0.026 | |||
TP5 – Permanent artificial nutrition | 71 | 1.7 (4.2) | -0.2 (2.3) | 0.7 (2.1) | 0.962 | 69 | 0.696 | < 0.001 | |||