Table 1.
Pearson Product Moment Correlations between IL-6, TNF-α, CRP, EBV and Physical Health Behaviors and Indices, Mental Health Indices, and Measures of Interpersonal Functioning
| Variables | IL-6 | TNF-α | CRP | EBV |
|---|---|---|---|---|
| r | r | R | R | |
|
Physical Health Behaviors and Indices
| ||||
| Alcohol | −0.14 | 0.33 | −0.1 | −0.17 |
| Caffeine | 0.34* | −0.32 | −0.16 | 0.28 |
| Nicotine | 0.67** | −0.11 | −0.06 | −0.12 |
| Physical activity | 0.03 | 0.18 | −0.15 | −0.06 |
| Weight changes | −0.14 | 0.28 | −0.03 | −0.01 |
| Medications | −0.18 | 0.22 | −0.11 | −0.12 |
| Illnesses | 0.21 | −0.27 | 0.58*** | 0.004 |
| PSQI | 0.13 | 0.16 | 0.1 | −0.15 |
|
Nutritional Measures | ||||
| Albumin | 0.21 | −0.27 | −0.54*** | −0.23 |
| Transferrin | 0.02 | 0.25 | 0.14 | 0.16 |
| TIB | 0.01 | 0.25 | 0.14 | 0.16 |
|
Mental Health Indices | ||||
| BAI | −0.09 | −0.24 | −0.10 | −0.70 |
| CES-D | −0.21 | 0.23 | 0.50*** | 0.05 |
| PrSSa | −0.24 | −0.009 | 0.37 | 0.08 |
| PSS | −0.21 | 0.17 | 0.58*** | 0.22 |
|
Interpersonal Functioning | ||||
| EEAC | 0.05 | −0.09 | −0.19 | −0.02 |
| OARS | −0.22 | 0.27 | −0.24 | 0.07 |
Note: IL-6 = Interleukin-6; TNF-α = tumor necrosis-alpha; CRP = C-reactive protein; EBV = Epstein Barr Virus; PSQI = Pittsburgh Sleep Quality Index; TIB = Total Iron Binding; BAI = Beck Anxiety Inventory; CES-D= Center for Epidemiological Studies Depression Scale; PrSS = Parent Stress Survey; PSS = Perceived Stress Scale; EEAC = Expressed Emotion Adjective Checklist; OARS = Social support functioning from the Older Americans Resources and Services Multidimensional Functional Assessment Questionnaire.
a
n = 19 and for all remaining variables N = 26
*
p = 0.09
**
p = 0.000
***
p ≤0.009