Table 2 Descriptive data and reliability analysis for QLACS domains and summary scales
Dimensions | N | Mean (SD) | Score range | Floor effect (%) | Ceiling effect (%) | Cronbach’s α | ICC (95 % CI) |
|---|---|---|---|---|---|---|---|
n = 137 | |||||||
Negative feelings | 692 | 12.0 (4.8) | 4–28 | 4.7 | 0.1 | 0.75 | 0.77 (069–0.83) |
Positive feelings | 679 | 19.9 (5.7) | 4–28 | 0.9 | 10.2 | 0.73 | 0.58 (0.45–0.68) |
Cognitive problems | 697 | 10.5 (5.0) | 4–28 | 10.5 | 0.0 | 0.78 | 0.53 (0.40–0.64) |
Sexual problems | 654 | 12.7 (6.2) | 4–28 | 9.0 | 2.3 | 0.75 | 0.73 (0.64–0.80) |
Pain | 689 | 10.6 (5.9) | 4–28 | 16.7 | 0.7 | 0.86 | 0.76 (0.67–0.82) |
Fatigue | 694 | 11.9 (5.3) | 4–28 | 7.6 | 0.3 | 0.74 | 0.76 (0.68–0.82) |
Social avoidance | 688 | 9.3 (5.2) | 4–28 | 23.4 | 0.3 | 0.82 | 0.79 (0.71–0.84) |
Generic Summary Scale | 630 | 79.0 (28.0) | 28–176 | 0.6 | 0.2 | 0.85 | 0.88 (0.83–0.91) |
Appearance concerns | 686 | 9.9 (6.2) | 4–28 | 27.8 | 0.9 | 0.77 | 0.76 (0.68–0.82) |
Financial problems | 694 | 6.1 (4.2) | 4–28 | 66.1 | 0.1 | 0.75 | 0.65 (0.53–0.73) |
Distress over recurrence | 692 | 17.0 (7.2) | 4–28 | 4.8 | 8.5 | 0.81 | 0.72 (0.63-0.80) |
Family-related distress | 693 | 19.3 (7.8) | 4–28 | 5.9 | 26.4 | 0.84 | 0.66 (0.55–0.74) |
Cancer specific Summary Scale | 678 | 52.5 (18.1) | 16–106 | 1.3 | 0.1 | 0.85 | 0.82 (0.76–0.87) |
Benefits of cancer | 692 | 18.0 (6.6) | 4–28 | 5.2 | 6.8 | 0.81 | 0.67 (0.56–0.76) |