Domains/facets | Internal consistency Coefficient α | Floor effects (%) | Ceiling effects (%) |
---|---|---|---|
Physical domain (PHD) | 0.78 | 0.0 | 0.5 |
Basic physiologic functions (BPF) | 0.50 | 0.0 | 1.0 |
Independence (IND) | 0.83 | 0.5 | 48.5 |
Energy and discomfort (EAD) | 0.51 | 1.0 | 3.0 |
Psychological domain (PSD) | 0.81 | 0.0 | 0.5 |
Cognition (COG) | 0.55 | 0.0 | 13.0 |
Emotion (EMO) | 0.74 | 0.0 | 0.5 |
Will and personality (WIP) | 0.20 | 0.0 | 17.5 |
Social domain (SOD) | 0.72 | 0.0 | 2.0 |
Interpersonal communication (INC) | 0.61 | 0.0 | 11.5 |
Social support and security (SSS) | 0.42 | 0.0 | 4.5 |
Social role (SOR) | 0.30 | 1.5 | 14.5 |
Sub-total (QLICD-GM) | 0.89 | 0.0 | 0.0 |
Specific domain (SPD) | 0.78 | 0.0 | 0.0 |
Respiratory symptom (RES) | 0.80 | 0.5 | 1.5 |
Constitutional symptom (COS) | 0.26 | 0.0 | 1.0 |
Drug side-effects (DSE) | – | 2.0 | 53.0 |
Special mention (SPM) | 0.62 | 5.5 | 5.5 |
Total (TOT) | 0.90 | 0.0 | 0.0 |