Table 2.
Oblique Rotated Factor Loadings for 2-Factor Model of Maryland Trait and State Depression Items, From 3 Independent Factor Analyses (Combined Sample [Comb], Schizophrenia Patients [SZ], and Nonpsychotic Controls [Control])
| State | Trait | |||||
|---|---|---|---|---|---|---|
| Item | Comb | SZ | Control | Comb | SZ | Control |
| S_1. It is hard for me to feel happy | 0.68 | 0.61 | 0.74 | |||
| S_2. I have lost interest in enjoyable activities | 0.87 | 0.84 | 0.81 | |||
| S_3. My appetite changes a lot… | 0.79 | 0.79 | 0.69 | |||
| S_4. I sleep much more than usual… | 0.74 | 0.64 | 0.74 | |||
| S_5. I feel sluggish and slow | 0.65 | 0.62 | 0.58 | |||
| S_6. I feel sad | 0.77 | 0.72 | 0.70 | |||
| S_7. I have no energy for anything | 0.84 | 0.81 | 0.78 | |||
| S_8. I cry because my mood is low | 0.64 | 0.54 | 0.73 | |||
| S_9. I cannot get motivated | 0.73 | 0.72 | 0.62 | |||
| S_10. I am burdened with feelings of guilt | 0.39 | 0.62 | 0.45 | |||
| S_11. I don’t sleep enough… | 0.39 | 0.51 | 0.52 | |||
| S_12. The blues stay with me no matter what I do | 0.71 | 0.70 | 0.63 | |||
| S_13. I spend less time doing activities… | 0.87 | 0.83 | 0.80 | |||
| S_14. I feel that I want to die | 0.54 | 0.43 | 0.87 | |||
| S_15. I have a heavy feeling in my arms or legs… | 0.38 | |||||
| S_16. …weight goes up or down a lot… | 0.58 | 0.39 | 0.88 | |||
| S_17. …felt that I deserved to be punished | 0.45 | 0.73 | 0.41 | |||
| S_18. I have no hope for my future | 0.43 | 0.70 | ||||
| T_1. It has been hard for me to feel happy… | 0.81 | 0.78 | 0.79 | |||
| T_2. …less interested in enjoyable activities | 0.75 | 0.65 | 0.90 | |||
| T_3. I often lose my appetite… | 0.49 | 0.54 | 0.54 | |||
| T_4. I sleep more than most people… | 0.65 | 0.64 | 0.67 | |||
| T_5. I feel sluggish and slow… | 0.79 | 0.73 | 0.85 | |||
| T_6. I often feel sad… | 0.80 | 0.75 | 0.78 | |||
| T_7. I have not had sufficient energy… | 0.81 | 0.76 | 0.80 | |||
| T_8. I cried often because my mood was low | 0.51 | 0.55 | 0.44 | |||
| T_9. …been hard for me to get motivated | 0.78 | 0.78 | 0.76 | |||
| T_10. …burdened with feelings of guilt… | 0.85 | 0.83 | 0.73 | |||
| T_11. I don’t sleep enough… | 0.59 | 0.57 | 0.75 | |||
| T_12. The blues have stayed with me… | 0.72 | 0.65 | 0.80 | |||
| T_13. …not spent much time doing activities… | 0.68 | 0.63 | 0.74 | |||
| T_14. I have felt that I wanted to die | 0.40 | 0.71 | 0.80 | |||
| T_15. …have a heavy feeling in my arms or legs… | 0.59 | 0.58 | 0.66 | |||
| T_16. My weight has gone up or down a lot… | 0.43 | 0.59 | 0.71 | |||
| T_17. …I often felt that I deserved to be punished | 0.84 | 0.88 | 0.61 | |||
| T_18. I feel hopeless about my future | 0.77 | 0.79 | 0.59 | |||
Note: Blanks represent loading coefficients <0.35.