Table 5 Internal consistency properties (Cronbach’s ɑ coefficients) of the CDERQOL scale
From: Development and validation of the Chinese version of dry eye related quality of life scale
Domains | Number of items | Cronbach’s ɑ coefficients |
|---|---|---|
Dry Eye Symptom Bother | 12 | 0.826 |
Impact on Daily Activities | 7 | 0.811 |
Emotional Impact | 10 | 0.913 |
Impact on Work | 7 | 0.865 |
Satisfaction with Treatment | 9 | 0.716 |