|
Factor loadings of the 21-item two-factor structure of the BDI a, b |
||
| Factors |
||
| BDI items |
Somatic symptoms |
Mood-negative symptoms |
|
|
||
| 1. sadness |
.48 |
.19 |
| 2. Pessimism |
.21 |
.35 |
| 3. Past failure |
-.20 |
.76 |
| 4. Loss of pleasure |
.34 |
.14 |
| 5. Guilty feelings |
.27 |
.17 |
| 6. Punishment feelings |
.01 |
.58 |
| 7. Self dislike |
-.06 |
.79 |
| 8. Self criticalness |
.46 |
.03 |
| 9. Suicidal thoughts and wishes |
.27 |
.35 |
| 10. Crying |
.67 |
-.21 |
| 11. Agitation |
.74 |
-.29 |
| 12. Loss of interest |
.20 |
.19 |
| 13. Indecisiveness |
.42 |
.25 |
| 14. Worthlessness |
.17 |
.42 |
| 15. Loss of energy |
.46 |
-.01 |
| 16. Changes in sleeping pattern |
.51 |
-.06 |
| 17. Irritability |
.44 |
.22 |
| 18. Changes in appetite |
.31 |
.33 |
| 19. Concentration difficulty |
.48 |
.02 |
| 20. Tiredness or fatigue |
.67 |
.06 |
| 21. Loss of sex in interest |
-.13 |
.42 |
|
NOTE: BDI = Beck Depression Inventory. N = 178 adolescents. a Principal component analysis. Rotation method: Promax with Kaiser normalization. b = Loadings > 0.50. | ||
Basker et al. Child and Adolescent Psychiatry and Mental Health 2007 1:8 doi:10.1186/1753-2000-1-8 |
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