Table 1 Internal consistency and test–retest reliability of QLICP-CR
Domain | Internal consistency (α)(n = 152) | Test–retest reliability (n = 150) | |
|---|---|---|---|
Pearson correlation coefficients (r) | ICC (95% CI) | ||
Physical domain (PHD) | 0.78 | 0.88 | 0.88 (0.84–0.91) |
Psychological domain (PSD) | 0.93 | 0.91 | 0.90 (0.86–0.92) |
Social domain (SOD) | 0.62 | 0.85 | 0.85 (0.80–0.89) |
Common symptoms and side-effects domain (SSD) | 0.71 | 0.74 | 0.74 (0.66–0.81) |
Specific domain (SPD) | 0.87 | 0.82 | 0.80 (0.73–0.85) |
Quality of Life Instruments for Cancer Patients – General Module (QLICP-GM) | 0.91 | 0.90 | 0.90 (0.86–0.92) |
Total scale (TOT) | – | 0.87 | 0.86 (0.81–0.89) |