Table 2.
Factor loadings after Factor Analysis (before and after Varimax normalized rotation) of controls and patients data
| Without rotation | Varimax Normalized Rotation | ||||
| Factor | Factor | Factor | Factor | ||
| MDI item No | Description of item | 1 | 2 | 1 | 2 |
| 1 | Have you felt low on spirits or sad? | 0.81 | -0.04 | 0.81 | -0.07 |
| 2 | Have you lost interest in your daily activities? | 0.90 | -0.01 | 0.90 | -0.05 |
| 3 | Have you felt lacking in energy and strength? | 0.81 | -0.18 | 0.80 | -0.21 |
| 4 | Have you felt less self-confident? | 0.84 | -0.13 | 0.84 | -0.16 |
| 5 | Have you had a bad conscience or feelings of guilt? | 0.53 | 0.39 | 0.55 | 0.37 |
| 6 | Have you felt that life wasn't worth living? | 0.44 | 0.09 | 0.44 | 0.07 |
| 7 | Have you had difficulty in concentrating, e.g. when reading the newspaper or watching television? | 0.81 | 0.06 | 0.81 | 0.03 |
| 8A | Have you felt very restless? | 0.77 | 0.19 | 0.78 | 0.16 |
| 8B | Have you felt subdued? | 0.85 | -0.08 | 0.84 | -0.11 |
| 9 | Have you had trouble sleeping at night? | 0.76 | 0.04 | 0.76 | 0.01 |
| 10A | Have you suffered from reduced appetite? | 0.77 | 0.03 | 0.77 | 0.00 |
| 10B | Have you suffered from increased appetite? | -0.16 | 0.89 | -0.12 | 0.90 |
| Explaned Var | 6.47 | 1.06 | 6.46 | 1.07 | |
| Prp.Totl | 54% | 9% | 54% | 9% | |