Table 3.
Item and subscale |
Mean (SDb) |
Median (range) |
Floor |
Ceiling |
Skew |
Kurtosis |
ITCc | |
Item | ||||||||
1. Standing long periods | 1.54 (0.89) | 1 (1-4) | 66% | 0% | 1.58 | 1.47 | 0.44 | |
2. Household responsibilities | 2.07 (1.02) | 2 (1-4) | 38% | 0% | 0.47 | –1.00 | 0.64 | |
3. Learning new tasks | 1.87 (1.02) | 2 (1-5) | 49% | 1% | 0.85 | –0.37 | 0.70 | |
4. Joining community activities | 2.23 (1.19) | 2 (1-5) | 38% | 4% | 0.55 | –0.77 | 0.78 | |
5. Emotionally affected | 3.21 (1.14) | 4 (1-5) | 13% | 6% | –0.69 | –0.60 | 0.59 | |
6. Concentrating | 2.37 (1.05) | 2 (1-5) | 26% | 1% | 0.17 | –0.90 | 0.61 | |
7. Walking long distance | 1.51 (0.82) | 1 (1-5) | 66% | 1% | 1.63 | 2.29 | 0.52 | |
8. Washing whole body | 1.20 (0.55) | 1 (1-4) | 86% | 0% | 3.12 | 10.22 | 0.48 | |
9. Getting dressed | 1.16 (0.47) | 1 (1-4) | 88% | 0% | 3.44 | 12.87 | 0.48 | |
10. Dealing with strangers | 1.83 (1.01) | 2 (1-5) | 49% | 1% | 1.10 | 0.43 | 0.66 | |
11. Maintaining friendships | 1.85 (1.07) | 1 (1-5) | 53% | 1% | 0.97 | –0.17 | 0.59 | |
12. Work/school activities | 2.54 (1.20) | 3 (1-5) | 25% | 6% | 0.27 | –0.88 | 0.75 | |
Total score | 23.37 (7.91) | 23 (12-51) | 8% | 0% | 0.68 | 0.52 | — | |
Subscale | ||||||||
Psychosocial | 12.60 (4.70) | 12.76 (5.60-24.84) | 8% | 0% | 0.31 | –0.49 | — | |
Self-care | 2.12 (0.86) | 1.80 (1.80-7.21) | 84% | 0% | 3.20 | 11.23 | — | |
Mobility | 2.25 (1.15) | 1.47 (1.47-6.49) | 56% | 0% | 1.56 | 1.76 | — |
aWHODAS 2.0: World Health Organization Disability Assessment Schedule 2.0. Based on baseline data from two clinical trials of severe health anxiety and stress disorders (total N=160, items scored from 1 to 5).
bSD: standard deviation.
cITC: adjusted item-total correlation.