Exploratory factor analysis of HADS items with varimax rotation matrix (n=200)
| HADS items | F1 | F2 |
| I feel tense or ‘wound up’. | 0.686 | 0.274 |
| I still enjoy the things I used to enjoy. | 0.058 | 0.652 |
| I get a sort of frightened feeling as if something awful is about to happen. | 0.675 | 0.307 |
| I can laugh and see the funny side of things. | 0.254 | 0.698 |
| Worrying thoughts go through my mind. | 0.713 | 0.178 |
| I feel cheerful. | 0.583 | 0.386 |
| I can sit at ease and feel relaxed. | 0.363 | 0.539 |
| I feel as if I am slowed down. | 0.225 | 0.374 |
| I get a sort of frightened feeling like 'butterflies' in the stomach. | 0.255 | 0.550 |
| I have lost interest in my appearance. | 0.075 | 0.431 |
| I feel restless as I have to be on the move. | 0.796 | 0.004 |
| I look forward with enjoyment to things. | 0.278 | 0.592 |
| I get sudden feelings of panic. | 0.639 | 0.451 |
| I can enjoy a good book, radio or TV programme. | 0.150 | 0.110 |
| % of variance: 42.75% | 34.97% | 7.78% |
Bold indicates significant factor loading at level above 0.30.
HADS, Hospital Anxiety and Depression Scale.