Table 2.
Reliability of EORTC QLQ-C30 and QLQ-BR23 Amharic version in women with breast cancer in Ethiopia (n = 146)
| EORTC | Scales | Cronbach’s α valuea |
|---|---|---|
| QLQ-C30 | Global Health status/QoL | 0.789 |
| Physical functioning | 0.771 | |
| Role functioning | 0.908 | |
| Emotional functioning | 0.817 | |
| Cognitive functioning | 0.516 | |
| Social functioning | 0.779 | |
| Fatigue | 0.851 | |
| Nausea and vomiting | 0.857 | |
| Pain | 0.739 | |
| Dyspnea | Single item | |
| Insomnia | Single item | |
| Appetite loss | Single item | |
| Constipation | Single item | |
| Diarrhea | Single item | |
| Financial difficulties | Single item | |
| QLQ-BR23 | Body image | 0.510 |
| Sexual functioning | 0.962 | |
| Systemic therapy side effects | 0.755 | |
| Breast symptoms | 0.773 | |
| Arm symptoms | 0.749 | |
| Sexual enjoyment | Single item | |
| Future perspective | Single item | |
| Upset by hair loss | Single item |
aFor single items, reliability test is not applicable. EORTC QLQ-C30 and QLQ-BR23 = European Organization for Research and Treatment of Cancer Quality of Life Questionnaire-Core 30 (QLQ-C30) and Breast Cancer specific (QLQ-BR23) questionnaire. QoL = Quality of Life