Table 2 Internal consistency of the mental health status, quality of life, and Zarit burden indices
Domain | Number of items | Cronbach’s alpha |
|---|---|---|
Mental health status | ||
Depression | 7 | 0.67 |
Anxiety | 7 | 0.80 |
Stress | 7 | 0.83 |
Quality of life | ||
Physical | 7 | 0.82 |
Psychological | 6 | 0.77 |
Social | 3 | 0.56 |
Environmental | 8 | 0.81 |
Zarit burden index | 12 | 0.83 |