Table 3.
Correlation between the EQ-5D scores, the time trade-off scores and the scores of the anchors at baseline
| Spearman rank correlation coefficient | ||||||
|---|---|---|---|---|---|---|
| Anchor | Disorder | n | EQ-G | EQ-UK | EQ VAS | TTO |
| WHOQOL-BREF | F1 | 63 | .234* | .339* | .635* | .390* |
| F2 | 106 | .469* | .570* | .472* | .194* | |
| F3 | 101 | .381* | .495* | .758* | .500* | |
| GSI | F1 | 72 | -.171 | -.345* | -.356* | -.345* |
| F2 | 88 | -.622* | -.744* | -.469* | -.281* | |
| F3 | 82 | -.465* | -.649* | -.736* | -.397* | |
* p ≤ 0.05
EQ-G/UK: German/British EQ-5D index; F1: patients with alcohol addiction; F2: patients with schizophrenia; F3: patients with affective disorders; GSI: global severity index; TTO: time trade-off; VAS: visual analogue scale