Table 4.
Correlations between the PHQ-2, the PHQ-8 & the PHQ-9 and other variables measured thought the HSCL-25, the GAD-7, the DUKE-UNC-11 & the HRQoL index
| 1 | 2 | 3 | |
|---|---|---|---|
| r | r | r | |
| 1. Depression (PHQ-2) | – | ||
| 2. Depression (PHQ-8) | – | – | |
| 3. Depression (PHQ-9) | – | – | – |
| 4. Depression (HSCL-25 – depression dimension) | 0.802*** | 0.799*** | 0.731*** |
| 5. Anxiety (HSCL-25 – anxiety dimension) | 0.678*** | 0.651*** | 0.611*** |
| 6. Anxiety (GAD-7) | 0.645*** | 0.613*** | 0.664*** |
| 7. Social support (DUKE-UNC-11) | −0.466*** | −0.361*** | −0.399*** |
| 8. Health-related QoL (HRQoL index) | −0.531*** | −0.464*** | −0.508*** |
Note. *p < 0.05; **p < 0.01; ***p < 0.001. Since the total sample was divided into subsamples, correlations between scores in the other variables measured are not included.