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. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: Psychoneuroendocrinology. 2012 Jan;37(1):107–118. doi: 10.1016/j.psyneuen.2011.05.011

Table 2. Three-level Model Parameter Estimates Showing Differential Effects of Perceived Discrimination for African Americans and Whites.

Model 1 Model 2 Model 3

Fixed Effects Estimate SE Estimate SE Estimate SE
Wake-up cortisol, π0
 Average wake-up level, β00
  Intercept, γ000 2.629*** .064 2.626*** .065 2.590*** .069
   Age, γ001 .004 .003 .004 .003 .005 .003
   Gender, γ002 .129 .075 .130 .076 .137 .074
   SES, γ003 .066* .034 .067* .034 .059 .033
   Smoker, γ004 −.078 .140 −.074 .137 −.065 .134
   Cort. medication, γ005 .079 .106 .079 .105 .114 .107
   Other medication, γ006 −.011 .106 −.110 .106 −.100 .105
   Race, γ007 −.154* .076 −.148 .080 −.211** .072
   Discrimination, γ008 -- -- −.006 .033 −.081 .048
   Discrimination*Race, γ009 -- -- -- -- .205** .073
Time since waking, π1
 Average linear slope,β10
  Intercept, γ100 −.144*** .011 −.143*** .011 −.139*** .011
   Age, γ101 .001* .000 .001* .000 .001* .000
   Gender, γ102 −.000 .006 −.000 .006 −.001 .006
   SES, γ103 −.005 .003 −.005 .003 −.004 .003
   Smoker, γ104 .020* .010 .019 .010 .019 .010
   Cort. medication, γ105 .005 .012 .005 .010 .002 .011
   Other medication, γ106 .008 .008 .008 .008 .007 .007
   Race, γ107 .034*** .006 .032*** .008 .038*** .008
   Discrimination, γ108 -- -- .002 .004 .009* .005
   Discrimination*Race, γ109 -- -- -- -- −.020** .007
Time since waking squared, π2
 Average curvature, β20
  Intercept, γ200 .0029*** .0005 .0029** .0005 .0029*** .0005
Awakening response, π3
 Average awakening response, β30
  Intercept, γ300 .389*** .055 .374*** .060 .386*** .063
   Age, γ301 −.002 .003 −.002 .003 −.002 .003
   Gender, γ302 .056 .067 .059 .068 .057 .068
   SES, γ303 −.054 .030 −.053 .030 −.051 .031
   Smoker, γ304 −.079 .118 −.062 .126 −.064 .126
   Cort. medication, γ305 −.150 .131 −.150 .128 −.161 .126
   Other medication, γ306 .244** .079 .245** .078 .242** .078
   Race, γ307 .019 .062 .047 .068 .065 .067
   Discrimination, γ308 -- -- −.028 .033 −.004 .045
   Discrimination*Race, γ309 -- -- -- -- −.062 .065
 Waking time, β31 −.049 .038 −.050 .038 −.050 .038
 Weekend day, β32 −.143* .060 −.142* .060 −.142* .060
 < 15 minutes from waking, β33 −.173 .144 −.182 .147 −.187 .146
 > 60 minutes from waking, β34 −.269** .078 −.263** .079 −.261** .079
*

p<.05

**

p<.01

***

p<.001.