Table 4.
Perceived Discrimination and Racial Identity Predicting Biomarker Factors Across Time
Baseline Phase | ||||||
HPA Axis | First Timepoint Inflammatory | ANS | HPA Axis | Second Timepoint Inflammatory | ANS | |
Cortisol, DHEAs | sCRP, sNGF | sAA | Cortisol, DHEAs | sCRP, sNGF | sAA | |
Step1 Model r2 | .12*** | .01 | .00 | .12** | .07+ | .01 |
Perceived Discrimination | . 27* | .09 | .01 | .27* | .26* | .04 |
Racial Identity | −.21* | .02 | .06 | −.20+ | .00 | −.05 |
Step 2Model Δ r2 | .10** | .02 | .09 | .08** | .01 | .00 |
Discrimination x Identity | −.32** | .13 | −.09 | −.28** | .10 | −.06 |
Event Phase | ||||||
Mobilization | Third Timepoint Inflammatory | Recovery | Mobilization | Fourth Timepoint Inflammatory | Recovery | |
Cortisol, sAA | sCRP, sNGF | DHEAs | Cortisol, sAA | sCRP, sNGF | DHEAs | |
Step1 Model r2 | .03 | .06+ | .01 | .10* | .10** | .07* |
Perceived Discrimination | .17 | .25* | .07 | .27* | .27* | .18+ |
Racial Identity | .00 | .01 | −.09 | .02 | .19+ | −.19+ |
Step 2Model Δ r2 | .01 | .01 | .11** | .00 | .06* | .07** |
Discrimination x Identity | −.07 | .09 | −.33** | −.03 | .24* | −.27** |
Recovery Phase | ||||||
Mobilization | Fifth Timepoint Repair/Recovery | Inflammatory | Mobilization | Sixth Timepoint Repair/Recovery | Inflammatory | |
Cortisol, sAA | DHEAs, sNGF | sCRP | Cortisol, sAA | DHEAs, sNGF | sCRP | |
Step1 Model r2 | .02 | .08* | .11** | .01 | .11** | .19*** |
Perceived Discrimination | .14 | .19+ | .21* | .09 | .27** | .32** |
Racial Identity | −.02 | −.20+ | .27* | −.03 | −.19+ | .29** |
Step 2Model Δ r2 | .00 | .03 | .08** | .00 | .03 | .09** |
Discrimination x Identity | −.04 | −.16 | .29** | −.01 | −.16 | .30** |
(N=85).
Coefficients are standardized regression weights.
p<.001,
p<.01,
p<.05, +p<.10.