Table 1 Summary of the Chinese version of THAT scores
From: Psychometric evaluation of the Chinese version of the Toronto Hospital Alertness Test
Items | Missing values (%) | Mean (SD) | Min | Max | Median | Floor (%) | Ceiling (%) |
|---|---|---|---|---|---|---|---|
1. Able to concentrate | 0 | 4.0 (1.5) | 0 | 5 | 5 | 4 | 57 |
2. Alert | 1 | 3.7 (1.5) | 0 | 5 | 4 | 7 | 45 |
3. Fresh | 2 | 2.3 (2.0) | 0 | 5 | 2 | 30 | 21 |
4. Energetic | 0 | 2.9 (1.8) | 0 | 5 | 3 | 17 | 27 |
5. Able to think of new ideas | 3 | 1.6 (1.9) | 0 | 5 | 1 | 44 | 14 |
6. Vision was clear noting all details (e.g., driving) | 0 | 3.9 (1.6) | 0 | 5 | 5 | 8 | 57 |
7. Able to focus on the task at hand | 1 | 4.2 (1.2) | 0 | 5 | 5 | 2 | 58 |
8. Mental facilities were operating at peak level | 1 | 3.8 (1.4) | 0 | 5 | 4 | 3 | 46 |
9. Extra effort was needed to maintain alertness | 0 | 3.4 (2.0) | 0 | 5 | 5 | 19 | 52 |
10. In a boring situation, I would find my mind wandering | 2 | 3.8 (1.5) | 0 | 5 | 4 | 7 | 44 |
10-item THAT | 5 | 33.4 (9.7) | 3 | 50 | 36 | 0 | 1 |
8-item THAT (items 9 and 10 deleted) | 5 | 26.3 (8.6) | 3 | 40 | 28 | 0 | 4 |
7-item THAT (items3, 9 and 10 deleted) | 4 | 24.1 (7.4) | 3 | 35 | 26 | 0 | 5 |