Table 4.

Linear Hierarchical Regression Analyses for SDNN for each Stress and Other Demographic and Behavioral Risk Measures

Variable Entered	Beta	t Value	Beta	t Value	Beta	t Value
	TOTAL STRESS		CHRONIC STRESS		CALE
	Block 1 (Model F=9.74***)		Block 1 (Model F=8.51***)		Block 1 (Model F=6.5**)
	Adj R-Sq: 0.05		Adj R-Sq: 0.05		Adj R-Sq: 0.03
Intercept	147.81	40.67***	147.81	40.52***	147.81	40.27***
Stress	−4.16	−3.12***	−10.67	−2.92***	−4.31	−2.55
	Block 2 (Model F= 15.53***)		Block 2 (Model F=15.24***)		Block 2 (Model F=13.8***)
	Adj R-Sq: 0.16		Adj R-Sq: 0.15		Adj R-Sq: 0.14
Intercept	200.23	16.44***	201.19	16.53***	200.92	16.35***
Stress	−3.68	−2.92***	−9.75	−2.83**	−3.73	−2.34*
Age	−1.78	−4.49***	−1.82	−4.57***	−1.81	−4.51***
	Block 3 (Model F=16.8***)		Block 3 (Model F=16.32***)		Block 3 (Model F=16.07***)
	Adj R-Sq: 0.23		Adj R-Sq: 0.23		Adj R-Sq: 0.22
Intercept	161.08	10.64***	162.35	10.66***	159.98	10.52***
Stress	−2.89	−2.37*	−7.13	−2.12*	−3.02	−1.98*
Age	−1.87	−4.93***	−1.90	−5.00***	−1.89	−4.96***
Sex	26.90	4.03***	26.62	3.95***	27.98	4.20***
	Block 4 (Model F=8.9***)		Block 4 (Model F=8.64***)		Block 4 (Model F=8.57***)
	Adj R-Sq: 0.23		Adj R-Sq: 0.23		Adj R-Sq: 0.23
Intercept	167.93	7.88***	170.91	8.01***	168.06	7.84***
Stress	−2.81	−2.22*	−6.69	−1.94*	−2.91	−1.86
Age	−1.86	−4.66***	−1.87	−4.66***	−1.86	−4.65***
Sex	26.06	3.89***	25.78	3.81***	27.00	4.03***
Race	−14.04	−1.67	−13.78	−1.63	−14.48	−1.71
BMI	−0.15	−0.23	−0.22	−0.36	−0.19	−0.30
Smoker	3.49	0.42	2.38	0.29	2.43	0.29

^*p<0.05,

^**p<0.01,

^***p<0.001