Mean ± Sd | Corrected item-total correlation | Cronbach’s alpha if item deleted | Cronbach’s alpha | |
---|---|---|---|---|
DOS1 | 2.71 ± 0.95 | 0.55 | 0.87 | 0.87 |
DOS2 | 2.53 ± 0.99 | 0.57 | 0.86 | |
DOS3 | 2.36 ± 1.03 | 0.67 | 0.86 | |
DOS4 | 1.90 ± 0.96 | 0.62 | 0.86 | |
DOS5 | 2.51 ± 1.06 | 0.68 | 0.86 | |
DOS6 | 2.62 ± 1.06 | 0.61 | 0.86 | |
DOS7 | 1.55 ± 0.88 | 0.42 | 0.87 | |
DOS8 | 1.94 ± 0.96 | 0.70 | 0.85 | |
DOS9 | 2.18 ± 0.96 | 0.57 | 0.86 | |
DOS10 | 2.50 ± 1.11 | 0.56 | 0.87 |