Table 3 Internal consistency of CH-ATRS
Question | Mean ± SD if item deleted | Corrected item-total correlation | Alpha if item removed |
|---|---|---|---|
1 | 51.90 ± 12.14 | 0.762 | 0.879 |
2 | 52.48 ± 12.25 | 0.698 | 0.885 |
3 | 52.45 ± 12.17 | 0.742 | 0.881 |
4 | 52.90 ± 12.33 | 0.642 | 0.891 |
5 | 52.46 ± 12.36 | 0.665 | 0.890 |
6 | 52.84 ± 12.56 | 0.616 | 0.892 |
7 | 50.42 ± 12.66 | 0.793 | 0.879 |
8 | 50.34 ± 12.61 | 0.769 | 0.879 |
9 | 50.43 ± 12.50 | 0.950 | 0.871 |
10 | 50.54 ± 12.44 | 0.788 | 0.877 |
Total score | 57.42 ± 13.70 | 1.000 | 0.893 |