Table 2.
Internal Consistency Reliability Values of the Modified Depression Scale (MDS) in the BYS Sample
| Survey Item | Total Sample (n=1657) | Females (n=891) | Males(n=762) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| r to Total Score | α | α if Item Deleted | r to Total Score | α | α if Item Deleted | r to Total Score | α | α if Item Deleted | |
| Sadness | 0.60 | 0.74 | 0.60 | 0.72 | 0.57 | 0.74 | |||
| Irritability | 0.59 | 0.74 | 0.57 | 0.73 | 0.58 | 0.74 | |||
| Hopelessness | 0.59 | 0.74 | 0.59 | 0.72 | 0.59 | 0.73 | |||
| Sleep problems | 0.51 | 0.77 | 0.47 | 0.76 | 0.52 | 0.76 | |||
| Concentration difficulties | 0.55 | 0.76 | 0.55 | 0.74 | 0.55 | 0.75 | |||
| Total Score | 0.79 | 0.78 | 0.78 | ||||||
Cell entries are raw Pearson’s r correlation coefficients between individual items and the total MDS score, Cronbach’s alpha coefficient, and Cronbach’s alpha coefficient if the individual item were deleted.