Table 5 Item-model fit statistic after merging item 4 into item 3 and item 6 into item 5
Item description | Item fit | |||
|---|---|---|---|---|
Infit MnSq | Infit ZSTD | Outfit MnSq | Outfit ZSTD | |
CUDOS | ||||
1.I felt sad or depressed | 0.65 | -4.77 | 0.60 | -4.66 |
2.I was not as interested in my usual activities | 0.79 | -2.76 | 0.75 | -2.76 |
3. My appetite was poor and I didn’t feel like eating or my appetite was much greater than usual | 0.98 | -0.56 | 1.37 | 2.49 |
4. I had difficulty sleeping or I was sleeping too much | 1.48 | 5.84 | 1.81 | 5.84 |
5. I felt very fidgety, making it difficult to sit still | 1.08 | 0.15 | 1.01 | 0.15 |
6. I felt physically slowed down, like my body was stuck in mud | 1.21 | 2.35 | 0.82 | 0.39 |
7. My energy level was low | 0.89 | -1.38 | 1.04 | -1.99 |
8. I felt guilty | 1.01 | 0.12 | 0.96 | -0.30 |
9. I thought I was a failure | 1.07 | 0.82 | 0.95 | -0.43 |
10. I had problems concentrating | 0.92 | -1.00 | 0.86 | -1.50 |
11. I had more difficulties making decisions than usual | 0.95 | -0.64 | 0.93 | -0.70 |
12. I wished I was dead | 1.41 | 4.08 | 1.12 | -0.86 |
13. I thought about killing myself | 1.38 | 3.75 | 1.16 | 1.08 |
14. I thought that the future looked hopeless | 1.08 | 0.94 | 0.92 | -0.69 |
15. Overall, how much have symptoms of depression interfered with or caused difficulties in your life during the past week? | 0.79 | -2.63 | 0.76 | -2.59 |
16.How would you rate your overall quality of life during the past week? | 0.66 | -4.58 | 0.98 | -0.15 |