Items | Mean ± Standard deviation | Median | Two-factor solution | Communality | |
---|---|---|---|---|---|
Factor 1 loading | Factor 2 loading | ||||
1.Cleaning the house | 1.7 ± 0.8 | 1 | 0.45 | 0.47 | 0.42 |
2. Getting dressed/undressed | 1.4 ± 0.7 | 1 | 0.67 | 0.35 | 0.58 |
3. Preparing simple meals | 1.3 ± 0.5 | 1 | 0.80 | 0.19 | 0.67 |
4. Taking a bath or shower | 1.7 ± 0.9 | 1 | 0.51 | 0.46 | 0.47 |
5. Going to the shop | 1.4 ± 0.7 | 1 | 0.77 | 0.27 | 0.67 |
6. Getting in or out of a chair | 1.5 ± 0.8 | 1 | 0.73 | 0.39 | 0.68 |
7. Going up or down stairs | 1.8 ± 0.8 | 2 | 0.52 | 0.43 | 0.46 |
8. Walking around outside | 1.4 ± 0.7 | 1 | 0.66 | 0.43 | 0.62 |
9. Reaching up or bending down | 1. 0 ± 0.9 | 2 | 0.30 | 0.81 | 0.75 |
10. Answering the telephone | 1.4 ± 0.8 | 1 | 0.61 | 0.33 | 0.48 |
11. Walking on a slippery surface | 2.2 ± 1.0 | 2 | 0.25 | 0.84 | 0.77 |
12. Visiting a friend/relative | 1.3 ± 0.6 | 1 | 0.81 | 0.23 | 0.71 |
13. Going to a place with crowds | 1.6 ± 0.8 | 1 | 0.67 | 0.44 | 0.65 |
14. Walking on an uneven surface | 2.1 ± 0.9 | 2 | 0.38 | 0.75 | 0.71 |
15. Walking up or down a slope | 2.0 ± 0.9 | 2 | 0.27 | 0.80 | 0.71 |
16. Going out to a social event | 1.6 ± 0.9 | 1 | 0.48 | 0.65 | 0.65 |
Eigenvalues | Â | Â | 8.8 | 1.2 | Â |
Explained variance | Â | Â | 55.0% | 7.5% | 62.5% |
Cronbach’s α |  |  | 0.92 | 0.90 |  |