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Table 2 Descriptive data and reliability analysis for QLACS domains and summary scales

From: Cross-cultural adaptation, reliability and validity of the Spanish version of the Quality of Life in Adult Cancer Survivors (QLACS) questionnaire: application in a sample of short-term survivors

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)
  1. SD standard deviation
  2. ICC intraclass correlation coefficient
  3. CI confidence interval