Table 4.

Trivariate Diurnal Coupling of Cortisol with DHEA and Testosterone

Parameter	Coupled diurnal change		Coupled deviations with change		Coupled diurnal deviations
	Estimate	SE	Estimate	SE	Estimate	SE
Fixed effects
Intercept, γ00	1.65*	.008	1.66*	.007	1.68*	.004
DHEA Coupling parameter, γ10	.02*	.006	.01*	.006	.03*	.01
Testosterone Coupling parameter, γ10	.01	.007	.003	.006	.01	.01
Diurnal Slope, γ30	—	—	−.002*	<.001	−.005*	<.001
Effect of moderators on Cortisol Level
Age, γ01	−.002	.001	−.001	.001	.001	.001
Sex, γ02	.004	.007	.003	.006	<.001	.002
Severity, γ03	<.001	.002	<.001	.002	<.001	.001
Directionality, γ04	−.003	.002	−.002	.002	−.001	.001
DHEA diurnal slope, γ05	—	—	—	—	−1.11*	.23
Testosterone diurnal slope, γ06	—	—	—	—	.20*	.09
Effect of moderators on DHEA Coupling
Age, γ11	<.001	.001	<.001	.001	.003	.002
Sex, γ12	.02*	.004	.02*	.004	.007	.007
Severity, γ13	<.001	.002	.001	.002	<.001	.003
Directionality, γ14	<.001	.001	−.001	.002	−.005	.003
Effect of moderators on Testosterone Coupling
Age, γ21	−.002	.001	−.001	.001	−.006*	.003
Sex, γ22	.02*	.004	.02*	.004	.007	.009
Severity, γ23	.001	.002	<.001	.002	−.001	.004
Directionality, γ24	−.002	.002	−.002	.002	−.001	.004
Between-person association of slopes
DHEA diurnal slope, γ15	—	—	—	—	.13*	.03
Testosterone diurnal slope, γ25	—	—	—	—	−.03*	.01
Random effects
Cortisol level variance, σ2u0	.0001*	<.0001	.0002*	.0001	.0006*	.0001
DHEA Coupling variance, σ2u1	.0003*	.0001	.0002*	.0001	.0006*	.0002
Testosterone Coupling variance, σ2u2	.0003*	.0001	.0002*	.0001	<.0001	<.0001
Diurnal slope variance, σ2u3			<.0001*	<.0001*	<.0001*	<.0001
Residual, σ2e1	.0006*	<.0001	.0005*	<.0001	.0005*	<.0001
Fit statistics
−2LL	−5137.2		−5262.5		−5223.4
AIC	−5123.2		−5240.5		−5203.4

Note. −2LL = log likelihood function. AIC = Akaike information criterion. SE = standard error.

^*= p <.05.