Table 4.
Exploratory factor analysis of the PDI
|
Scales |
Items |
Patients who were working (n = 607) |
Patients who were not working (n = 224) |
|||
|---|---|---|---|---|---|---|
|
Factor I (eigenvalue = 7.46) |
Factor II (eigenvalue = 1.13) |
Factor I (eigenvalue = 7.08) |
Factor II (eigenvalue = 1.21) |
Factor III (eigenvalue = 1.06) |
||
| Daily activities |
1. House/garden work |
.46 |
.33 |
.51 |
.34 |
.03 |
| 2. Different clothes |
-.03 |
.80 |
.17 |
.63 |
-.06 |
|
| 3. Change/wash clothes |
.02 |
.81 |
.04 |
.85 |
-.05 |
|
| 4. Hairdresser problem |
-.05 |
.79 |
.32 |
.49 |
.01 |
|
| 5. More baths |
-.11 |
.82 |
-.30 |
.96 |
.07 |
|
| Work |
6a. Time off work |
.83 |
-.02 |
- |
- |
- |
| 7a. Inhibit work |
.81 |
-.01 |
- |
- |
- |
|
| 6b. Less activity |
- |
- |
.83 |
.03 |
-.05 |
|
| 7b. Different activity |
- |
- |
.70 |
.18 |
-.10 |
|
| 8. Career affected |
.86 |
-.09 |
.80 |
-.21 |
.04 |
|
| Personal relations |
9. Sexual difficulties |
.75 |
.00 |
.87 |
-.11 |
-.06 |
| 10. Social relations |
.73 |
.07 |
.81 |
-.01 |
.00 |
|
| Leisure |
11. Social activities |
.61 |
.23 |
.69 |
.15 |
.01 |
| 12. Sport difficulties |
.55 |
.25 |
.85 |
-.07 |
-.05 |
|
| 13. Communal changing |
.77 |
-.11 |
.51 |
.01 |
.41 |
|
| 14. More smoke/drink |
.62 |
-.13 |
-.06 |
-.00 |
.96 |
|
| Treatment | 15. Home messy/untidy | .60 | .22 | .52 | .14 | .12 |
Bold values indicate the largest factor loadings for each item.