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.