Convergent validity of the Daily Experience Sampling Questionnaire (DESQ) U-index (weeks 1–3)
| Patients (n=101) | Healthy participants (n=105) | |||||
| Week 1 | Week 2 | Week 3 | Week 1 | Week 2 | Week 3 | |
| EQ-5D-3L on subjective health: ICC (95% CI) | 0.38 (0.20 to 0.53) | 0.40 (0.22 to 0.55) | 0.40 (0.22 to 0.55) | 0.23 (0.05 to 0.41) | 0.40 (0.22 to 0.55) | 0.33 (0.14 to 0.49) |
| EQ-5D-3L on subjective health: r (p) | 0.43 (<0.001) | 0.38 (<0.001) | 0.34 (<0.001) | 0.32 (0.001) | 0.44 (<0.001) | 0.31 (0.001) |
| EQ VAS on subjective health: r (p) | 0.55 (<0.001) | 0.51 (<0.001) | 0.44 (<0.001) | 0.29 (0.004) | 0.33 (<0.001) | 0.39 (<0.001) |
| Skindex-17 subscale psychosocial impairments: r (p) | −0.42 (<0.001) | −0.22 (0.0035) | −0.25 (0.017) | n.a. | n.a. | n.a. |
| Skindex-17 subscale symptoms: r (p) | −0.37 (<0.001) | −0.19 (0.052) | −0.22 (0.032) | n.a. | n.a. | n.a. |
| PANAS subscale on positive emotions: r (p) | 0.56 (<0.001) | 0.60 (<0.001) | 0.42 (<0.001) | 0.46 (<0.001) | 0.36 (<0.001) | 0.54 (<0.001) |
| PANAS subscale on negative emotions: r (p) | −0.52 (<0.001) | −0.53 (<0.001) | −0.39 (<0.001) | −0.41 (<0.001) | −0.46 (<0.001) | −0.36 (<0.001) |
| Single item on SWB in the preceding week: r (p) | 0.72 (<0.001) | 0.72 (<0.001) | 0.69 (<0.001) | 0.65 (<0.001) | 0.65 (<0.001) | 0.75 (<0.001) |
| SWLS on satisfaction with life: r (p) | 0.28 (0.004) | 0.51 (<0.001) | 0.35 (<0.001) | 0.30 (0.002) | 0.40 (<0.001) | 0.35 (<0.001) |
| ADS-K on depression: r (p) | −0.66 (<0.001) | −0.64 (<0.001) | −0.52 (<0.001) | −0.56 (<0.001) | −0.56 (<0.001) | −0.63 (<0.001) |
| NEO-FFI subscale on neuroticism: r (p) | −0.43 (<0.001) | −0.48 (<0.001) | −0.36 (<0.001) | −0.29 (0.003) | −0.32 (0.01) | −0.23 (0.021) |
ADS-K, Allgemeine Depressionsskala; EQ-5D-3L, EQ-5D questionnaire with three-level response scale; ICC, intraclass correlation coefficient; n.a., not applicable (Skindex-17 was not assessed in healthy participants); p, level of significance; PANAS, Positive and Negative Affect Schedule; r, Spearman correlation coefficient; Skindex-17, skin disease-specific quality of life questionnaire; SWB, subjective well-being; SWLS, Satisfaction with Life Scale; EQ VAS, visual analogue scale within the EQ-5D.