Table 2 MusiQoL dimension scale characteristics
Dimension (number of items) | Mean (SD) | MV (%) | Cronbach's alpha | IIC, range | IDV, range | Floor effect, % | Ceiling effect, % | H | INFIT |
|---|---|---|---|---|---|---|---|---|---|
Activities of Daily Living (8) | 57.04 (25.96) | 1.8 | 0.92 | 0.67-0.80 | -0.02 to 0.51 | 0.9 | 4.5 | 0.65 | 0.87-1.19 |
Psychological Well-Being (4) | 52.95 (23.80) | 0.4 | 0.88 | 0.70-0.79 | -0.01 to 0.60 | 2.2 | 4.0 | 0.68 | 0.80-1.12 |
Relationships with Friends (3) | 68.61 (22.51) | 6.3 | 0.80 | 0.59-0.73 | -0.02 to 0.33 | 1.3 | 13.4 | 0.61 | 0.91-1.12 |
Symptoms (4) | 66.45 (22.64) | 0.9 | 0.70 | 0.43-0.59 | -0.02 to 0.51 | 0.0 | 11.2 | 0.37 | 0.79-1.20 |
Relationships with Family (3) | 82.92 (17.82) | 1.3 | 0.67 | 0.47-0.56 | 0.01-0.43 | 0.0 | 33.0 | 0.44 | 0.98-1.02 |
Relationship with Healthcare System (3) | 86.79 (16.02) | 0.4 | 0.53 | 0.25-0.40 | -0.02 to 0.23 | 0.0 | 41.1 | 0.30 | 0.82-1.15 |
Sentimental and Sexual Life (2) | 73.14 (26.52) | 16.1 | 0.76 | 0.65 | 0.04-0.38 | 3.1 | 25.0 | 0.68 | 0.91-1.10 |
Coping (2) | 59.31 (28.02) | 5.4 | 0.75 | 0.60 | 0.13-0.65 | 3.1 | 15.2 | 0.65 | 0.96-1.01 |
Rejection (2) | 83.11 (21.62) | 7.1 | 0.75 | 0.66 | 0.10-0.43 | 0.0 | 1.3 | 0.56 | 0.94-1.04 |
Index | 70.32 (13.71) |