Table 3.

Moderation estimates testing whether sex, education, household income, or minority status moderates the relationship between delay discounting and HbA1c for the $100 and $1000 rewards. Predictors were centered to aid in interpretation of main effects.

	β	S.E.	T	P	β	S.E.	T	P
	$100				$1000
Sex
Constant	5.97	0.02	263.50	<0.001	5.97	0.02	263.18	<0.001
Sex	0.08	0.05	1.72	0.09	0.05	0.05	1.15	0.26
DD	0.01	0.01	1.36	0.18	0.02	0.01	1.81	0.07
Sex * DD	−0.01	0.02	−0.46	0.64	−0.01	0.02	−0.59	0.56
Education
Constant	5.96	0.02	251.29	<0.001	5.96	0.02	252.82	<0.001
Education	−0.00	0.01	−0.18	0.86	0.00	0.01	0.08	0.94
DD	0.01	0.01	1.40	0.17	0.02	0.01	2.19	0.03
Education * DD	−0.00	0.00	−0.06	0.96	−0.00	0.00	−0.10	0.92
Income
Constant	5.98	0.02	243.60	<0.001	5.99	0.03	236.39	<0.001
Income	−0.00	0.00	−0.45	0.65	0.00	0.00	0.30	0.77
DD	0.01	0.01	1.41	0.16	0.02	0.01	2.27	0.03
Income * DD	0.00	0.00	1.55	0.13	0.00	0.00	1.66	0.10
Minority
Constant	5.94	0.02	251.02	<0.001	5.96	0.02	257.11	<0.001
Minority	0.03	0.06	0.56	0.58	0.07	0.05	1.26	0.21
DD	0.01	0.01	1.26	0.21	0.014	0.01	1.54	0.13
Minority * DD	0.07	0.02	2.74	0.01	0.029	0.02	1.40	0.17