Table 6 Item response theory for WHOQOL-BREF, SKINDEX-16 and HRQ-Melasma
Information | Number of items | Corrected information | |
|---|---|---|---|
WHOQOL-BREF | |||
Physical | 5.31 | 7 | 0.75 |
Psychological | 6.87 | 6 | 1.14 |
Personal relations | 3.63 | 3 | 1.21 |
Environment | 3.67 | 8 | 0.61 |
SKINDEX-16 | |||
Physical | 2.52 | 4 | 0.63 |
Emotional | 23.69 | 7 | 3.38 |
Functional | 20.52 | 5 | 4.10 |
HRQ-Melasma | |||
Physical/Appearance | 6.51 | 3 | 2.17 |
Social/Professional | 14.54 | 5 | 2.90 |
Psychological | 20.09 | 8 | 2.51 |
Treatment | 4.06 | 3 | 1.35 |