Table 2 Test-retest reliability and internal consistency (N = 171)
Item | ICC (95%CI) | Corrected item-total correlation | Cronbach’s α if the item was deleted | |
|---|---|---|---|---|
MHQoL-7D | ||||
1-Self-image | 0.960(0.946 ~ 0.971, P < 0.01) | 0.669 | 0.813 | |
2-Independence | 0.948(0.929 ~ 0.962, P < 0.01) | 0.702 | 0.810 | |
3-Mood | 0.961(0.947 ~ 0.971, P < 0.01) | 0.716 | 0.804 | |
4-Relationships | 0.940(0.919 ~ 0.956, P < 0.01) | 0.690 | 0.808 | |
5-Daily activities | 0.923(0.897 ~ 0.943, P < 0.01) | 0.774 | 0.791 | |
6-Physical health | 0.872(0.829 ~ 0.904, P < 0.01) | 0.602 | 0.820 | |
7-Future | 0.949(0.931 ~ 0.962, P < 0.01) | 0.762 | 0.793 | |
Total | 0.971(0.961 ~ 0.979, P < 0.01) | — | — | |
MHQoL-VAS | 0.988(0.984 ~ 0.991, P < 0.01) | — | — | |