Table 2.
Correlation Matrix for the Continuous Variables in the Study
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
|---|---|---|---|---|---|---|---|---|---|
| 1. Age | - | -0.06 | -0.05 | 0.20*** | 0.43*** | 0.37*** | 0.03 | 0.10 | 0.03 |
| 2. Education | -0.12 | - | <0.01 | -0.13* | -0.17** | -0.11* | -0.07 | -0.02 | -0.09 |
| 3. PSS | -0.03 | -0.001 | - | 0.30*** | 0.16** | 0.09 | 0.07 | 0.05 | 0.09 |
| 4. CES-D# | 0.21*** | -0.17** | 0.39*** | - | 0.43*** | 0.37*** | <0.01 | 0.10 | 0.02 |
| 5. Mobility | 0.48*** | -0.22*** | 0.15* | 0.45*** | - | 0.76*** | <-0.01 | 0.16** | 0.08 |
| 6. IADLs | 0.48*** | -0.21*** | 0.18** | 0.40*** | 0.83*** | - | -0.06 | 0.18** | 0.05 |
| 7. Cortisol | -0.04 | -0.07 | 0.20** | 0.12 | -0.01 | 0.08 | - | 0.07 | 0.26*** |
| 8. IL-6 | 0.18** | -0.17* | 0.04 | 0.07 | 0.02 | 0.06 | -0.03 | - | 0.54*** |
| 9. hsCRP | -0.001 | -0.07 | 0.10 | 0.16* | 0.14* | 0.20** | -0.01 | 0.10 | - |
Note. The upper diagonal was based on men (N=370); the lower diagonal was based on women (N=259); PSS The Perceived Stress Scale; CES-D The Center for Epidemiologic Studies Depression Scale; IADLs Instrumental Activities of Daily Living; IL-6 Interleukin-6; hsCRP High sensitivity C-reactive protein. #9-item CES-D score (excluding lonely); *p < 0.05; **p < 0.01; *** p < 0.001