Table 4 Validation sample: Exploratory factor analysis solution (oblimin rotation)
| Â | Factors | |||||
|---|---|---|---|---|---|---|
DermaSat | GS | UE | MC | CU | ID | TE |
Treatment effectiveness (TE) | Â | Â | Â | Â | Â | Â |
   - Relief of symptoms | -.054 | -.021 | -.036 | -.032 | -.032 | .968 |
   - Feel better | .166 | .017 | .045 | .073 | .237 | .602 |
   - Disease under control | .313 | -.006 | -.129 | .105 | .079 | .504 |
Convenience of use (CU) | Â | Â | Â | Â | Â | Â |
   - Ease of medication use | .047 | -.055 | -.010 | .860 | .012 | -.097 |
   - Convenient schedule | -.077 | .021 | -.030 | .877 | -.016 | .079 |
Impact on activities/daily living (ID) | Â | Â | Â | Â | Â | Â |
   - Leisure activities | .040 | .085 | .046 | .104 | .876 | .011 |
   - Everyday activities | -.105 | -.106 | -.073 | -.094 | .897 | .068 |
   - Better mood | .133 | -.017 | -.059 | .019 | .795 | -.035 |
Medical care (MC) | Â | Â | Â | Â | Â | Â |
   - Disease information | -.015 | .033 | -.923 | .031 | .018 | .022 |
   - Treatment information | .032 | -.014 | -.917 | -.040 | .084 | -.052 |
   - Treatment effects information | .020 | -.011 | -.912 | .048 | -.070 | .044 |
Undesirable side-effects (UE) | Â | Â | Â | Â | Â | Â |
   - Impact on job activities | .048 | .940 | .067 | .044 | -.040 | .015 |
   - Impact on leisure activities | -.069 | .938 | -.062 | -.020 | .072 | -.015 |
   - Impact on activities of daily living | .019 | .923 | -.013 | -.055 | -.039 | -.001 |
General satisfaction (GS) | Â | Â | Â | Â | Â | Â |
   - At ease with treatment | .630 | -.056 | .073 | .115 | .203 | .197 |
   - Better existing choice | .927 | .008 | -.118 | -.040 | -.039 | -.050 |
   - Satisfied with treatment | .518 | -.018 | -.083 | .026 | .223 | .281 |
Eigenvalues | 7.17 | 2.65 | 1.75 | 1.27 | 0.69 | 0.61 |
Percentage of variance explained (%) | 42.20 | 15.60 | 10.31 | 7.44 | 4.05 | 3.61 |
| Â | Factor correlation matrix | |||||
Undesirable side-effects (UE) | -.049 | Â | Â | Â | Â | Â |
Medical care (MC) | -.460 | .044 | Â | Â | Â | Â |
Convenience of use (CU) | .272 | -.193 | -.233 | Â | Â | Â |
Impact on activities/daily living (ID) | .547 | -.214 | -.359 | .259 | Â | Â |
Treatment effectiveness (TE) | .483 | -.121 | -.288 | .233 | .605 | Â |