Table 1.
Descriptive information on White and African American study participants (N = 1,200)
| Variable | White Respondents (N = 978) M(SD) or % |
African American Respondents (N = 222) M(SD) or % |
p value |
|---|---|---|---|
| Trait Anger | 23.8(5.2) | 24.0(6.6) | .52 |
| Anger-Out | 12.8(3.2) | 13.4(3.9) | .01 |
| Anger-Control | 10.1(2.2) | 9.2(2.4) | <.001 |
| IL-6 (pg/mL)a,b | 2.7(2.2) | 3.9(2.6) | <.001 |
| Fibrinogen (mg/dL)a,b | 339.0(81.2) | 385.0(89.1) | <.001 |
| Age (years) | 58.4(11.7) | 53.6(10.4) | <.001 |
| Gender (% Women) | 54.6 | 67.6 | <.001 |
| Education | <.001 | ||
| ≤High School | 23.9 | 45.9 | |
| Some College | 28.8 | 34.2 | |
| ≥College Degree | 47.3 | 19.8 | |
| Chronic Conditions | 2.6(2.1) | 3.0(2.3) | .01 |
| Body Mass Index | 29.0(5.9) | 32.8(8.6) | <.001 |
| Current smoking (% yes) | 11.4 | 31.1 | <.001 |
| Alcohol (drinks/month) | 13.3(22.9) | 17.9(44.8) | .029 |
| Regular exercise (% yes) | 79.7 | 63.5 | <.001 |
| Medication (% yes) | |||
| Anti-hypertensive | 34.8 | 45.9 | .002 |
| Cholesterol | 29.7 | 19.8 | .003 |
| Corticosteroid | 12.5 | 10.4 | .38 |
| Anti-depressant | 15.6 | 6.8 | .001 |
Note. Racial differences were assessed with independent sample t-tests and Pearson Chi-square tests.
a
Values have been winsorized to 3 SD from the mean;
b
Differences in these inflammatory markers have been previously reported (Coe et al., 2011).