Table 2.
Correlations between the 24-item Hamilton Depression Rating Scale (HDRS-24) and the Beck Depression Inventory (BDI) and their respective factor scores (N=246).
| BF1 | BF2 | BF3 | BDI total | ||
|---|---|---|---|---|---|
| HF1 | Pearson correlation | 0.40 | 0.44 | 0.10 | 0.40 |
| Psychic depression |
p (2-tailed) | 0.00 | 0.00 | 0.11 | 0.00 |
| % variance shared | 16% | 19% | 1% | 16% | |
| HF2 | Pearson correlation | 0.32 | 0.01 | 0.40 | 0.26 |
| Loss of motivated behavior |
p (2-tailed) | 0.00 | 0.93 | 0.00 | 0.00 |
| % variance shared | 10% | 0% | 16% | 7% | |
| HF3 | Pearson correlation | 0.12 | 0.22 | 0.12 | 0.18 |
| Psychosis | p (2-tailed) | 0.07 | 0.00 | 0.07 | 0.01 |
| % variance shared | 1% | 5% | 1% | 3% | |
| HF4 | Pearson correlation | 0.08 | 0.06 | 0.20 | 0.13 |
| Anxiety | p (2-tailed) | 0.21 | 0.35 | 0.00 | 0.04 |
| % variance shared | 1% | 0% | 4% | 2% | |
| HF5 | Pearson correlation | −0.10 | 0.07 | 0.37 | 0.10 |
| Sleep disturbance |
p (2-tailed) | 0.88 | 0.29 | 0.00 | 0.11 |
| % variance shared | 1% | 0% | 14% | 1% | |
| HDRS-24 | Pearson correlation | 0.37 | 0.33 | 0.36 | 0.41 |
| Total score | p (2-tailed) | 0.00 | 0.00 | 0.00 | 0.00 |
| % variance shared | 14% | 11% | 13% | 17% |
Abbreviations: HF1–5 = HDRS factor 1–5; BF1–3 = BDI factor 1–3.