BDI scale | Depression group | Mean rank | χ2 (2 df) | p |
Total score | Mild | 15.27 |
|
|
| Moderate | 25.66 |
|
|
| Severe | 42.24 | 24.08 | .000 |
Depressed mood | Mild | 18.83 |
|
|
| Moderate | 29.27 |
|
|
| Severe | 35.24 | 8.64 | .01 |
Somatic manifestations | Mild | 17.33 |
|
|
| Moderate | 24.66 |
|
|
| Severe | 41.76 | 21.06 | .000 |
Loss of weight and appetite | Mild | 21.97 |
|
|
| Moderate | 26.23 |
|
|
| Severe | 36.29 | 7.43 | .02 |
Negative self-image | Mild | 20.40 |
|
|
| Moderate | 24.89 |
|
|
| Severe | 39.08 | 12.94 | .002 |
Negative social feelings | Mild | 18.93 |
|
|
| Moderate | 29.11 |
|
|
| Severe | 35.34 | 8.85 | .01 |