Table 3.
Item-response probabilities for the HADS
| Anxiety | Class I | Class II |
|---|---|---|
| I feel restless as I have to be on the move | 0.27 | 0.55 |
| I feel tense or ‘wound up’ | 0.09 | 0.44 |
| I get a sort of frightened feeling as if something awful is about to happen | 0.76 | 0.38 |
| Worrying thoughts go through my mind | 0.21 | 0.67 |
| I can sit at ease and feel relaxed | 0.15 | 0.77 |
| I get sudden feelings of panic | 0.97 | 0.67 |
| I get a sort of frightened feeling like “butterflies” in the stomach | 0.95 | 0.69 |
| Depression | ||
| I look forward with enjoyment to things | 0.14 | 0.76 |
| I have lost interest in my appearance | 0.96 | 0.85 |
| I enjoy the things I used to enjoy | 0.06 | 0.51 |
| I can laugh and see the funny side of things | 0.03 | 0.3 |
| I feel cheerful | 0.09 | 0.53 |
| I can enjoy a good book or radio or TV program | 0.02 | 0.3 |
| I feel as if I am slowed down | 0.45 | 0.75 |