Table 4.

Regression coefficients of Interaction Effects After Adjustment for Additional Covariates

(a) Interaction of Telomere Length × Poverty Status × Race with Digit Span Forward and Backward
	Digit Span Forward (n = 317)		Digit Span Backward (n = 317)
Covariate	b	sr2	b	sr2
Previous model a	−1.46*	.01	−1.34*	.01
Obesity	−1.46*	.01	−1.34*	.01
Diabetes	−1.46*	.01	−1.33*	.01
Hypertension	−1.51*	.01	−1.36*	.01
CRP	−1.47*	.01	−1.45*	.01
Psychiatric history	−1.46*	.01	−1.33*	.01
Substance use history	−1.46*	.01	−1.33*	.01
Domestic abuse	−1.46*	.01	−1.35*	.01
(b) Interaction of Telomere Length × Poverty Status with Trail Making Test Part B and the BVRT
	Trail Making Test Part B (n = 320)		BVRT (n = 319)
Covariate	b	sr2	b	sr2
Previous model b	−0.10*	.01	−2.06**	.02
Obesity	−0.10	.01	−1.98**	.02
Diabetes	−0.10*	.01	−2.03**	.02
Hypertension	−0.10	.01	−2.00**	.02
CRP	−0.10	.01	−1.97**	.02
Psychiatric history	−0.10*	.01	−2.14**	.03
Substance use history	−0.10*	.01	−2.05**	.02
Domestic abuse	−0.10*	.01	−2.12**	.02

Note. sr² = semipartial correlations squared;

^*p < .05,

^**p < .01

^aPrevious models for Digit Span Forward and Backward are described in Table 2

^bPrevious models for Trail Making Test Part B and the BVRT are described in Table 3