Table 3. Three-level Model Parameter Estimates for African Americans Showing the Moderating Influence of Socioeconomic Status.
Model 1 | Model 2 | |||
---|---|---|---|---|
Fixed Effects | Estimate | SE | Estimate | SE |
Wake-up cortisol, π0 | ||||
Average wake-up level, β00 | ||||
Intercept, γ000 | 2.389*** | .069 | 2.381*** | .074 |
Age, γ001 | .004 | .005 | .003 | .005 |
Gender, γ002 | .102 | .123 | .117 | .128 |
SES, γ003 | .030 | .049 | .029 | .050 |
Smoker, γ004 | .175 | .232 | .176 | .231 |
Cort. medication, γ005 | .022 | .117 | .019 | .116 |
Other medication, γ006 | .098 | .152 | .102 | .154 |
Discrimination, γ007 | .100 | .051 | .101 | .051 |
Discrimination*SES, γ008 | -- | -- | .013 | .039 |
Time since waking, π1 | ||||
Average linear slope,β10 | ||||
Intercept, γ100 | −.086*** | .017 | −.090*** | .017 |
Age, γ101 | −.000 | .000 | −.001 | .000 |
Gender, γ102 | −.021 | .011 | −.015 | .011 |
SES, γ103 | −.006 | .005 | −.006 | .005 |
Smoker, γ104 | .024 | .013 | .026 | .013 |
Cort. medication, γ105 | −.000 | .017 | −.003 | .017 |
Other medication, γ106 | −.013 | .111 | −.012 | .011 |
Discrimination, γ107 | −.013** | .005 | −.014** | .004 |
Discrimination*SES, γ108 | -- | -- | .007* | .003 |
Time since waking squared, π2 | ||||
Average curvature, β20 | ||||
Intercept, γ200 | .0023* | .0010 | .0023* | .0010 |
Awakening response, π3 | ||||
Average awakening response, β30 | ||||
Intercept, γ300 | .499*** | .097 | .492*** | .108 |
Age, γ301 | .002 | .004 | .002 | .004 |
Gender, γ302 | −.080 | .108 | −.072 | .118 |
SES, γ303 | −.076 | .058 | −.078 | .057 |
Smoker, γ304 | −.135 | .158 | −.133 | .160 |
Cort. medication, γ305 | −.017 | .260 | −.013 | .257 |
Other medication, γ306 | .232 | .116 | .239* | .119 |
Discrimination, γ307 | −.021 | .051 | −.023 | .051 |
Discrimination*SES, γ308 | -- | -- | −.009 | .046 |
Waking time, β31 | −.127** | .038 | −.129** | .037 |
Weekend day, β32 | −.173 | .117 | −.168 | .119 |
< 15 minutes from waking, β33 | −.279** | .090 | −.275** | .086 |
> 60 minutes from waking, β34 | −.378** | .108 | −.388** | .104 |
p<.05
p<.01
p<.001.