Table 2.
Internal consistency of the UFS-QOL questionnaire
|
| ||
|---|---|---|
| Subscales | Number of items | Cronbach’s alpha* |
|
| ||
| Symptom severity | 8 (Q1-Q8) | 0.812 |
| Concern | 5 (Q9, Q15, Q22, Q28, Q35) | 0.856 |
| Activities | 7 (Q10, Q11, Q13, Q19, Q20, Q27, Q29) | 0.902 |
| Energy/mood | 7 (Q12, Q17, Q23, Q24, Q25, Q31, Q34) | 0.919 |
| Control | 5 (Q14, Q16, Q26, Q30, Q33) | 0.861 |
| Self-consciousness | 3 (Q18, Q21, Q32) | 0.839 |
| Sexual function | 2 (Q36, Q37) | 0.949 |
| HRQL total | 29 (sum of subscales except symptom severity) | 0.956 |
|
| ||
HRQL; Health-related quality of life, UFS-QOL; Uterine Fibroid Symptom and Healthrelated Quality of Life, and *; α>0.70 is considered acceptable internal consistency.