Table 4.

Multiple linear regression models examining the association of race with HbA_1c after adjusting for demographic, clinical, and diabetes-related psychosocial factors that differ by race

Variables	Model 1: race				Model 2: model 1 + demographic and clinical factors				Model 3: model 2 + diabetes-related psychosocial factors
	B	SE	Beta	P	B	SE	Beta	P	B	SE	Beta	P
African American	0.73	0.26	0.17	<0.01	0.69	0.30	0.15	0.02	0.82	0.31	0.18	<0.01
Age					−0.008	0.01	−0.05	0.50	0.005	0.01	0.03	0.68
Years of formal education					−0.0003	0.04	−0.0004	1.00	0.01	0.04	0.02	0.81
Caloric expenditure/week (Kcal)					−0.09	0.04	−0.13	0.04	−0.06	0.05	−0.08	0.22
Comorbidity disease index					−0.13	0.06	−0.14	0.04	−0.16	0.07	−0.17	<0.01
Beck’s depression index					0.67	0.30	0.15	0.03	0.13	0.35	0.03	0.71
Women					−0.19	0.27	−0.05	0.47	−0.22	0.28	−0.05	0.42
Income								0.45				0.54
$20,000–$50,000					0.41	0.31	0.10	0.19	0.31	0.31	0.07	0.32
Greater than $50,000					0.28	0.34	0.06	0.41	0.07	0.34	0.02	0.84
Access to illness-management resources									−0.95	0.30	−0.25	<0.01
Interference of diabetes with daily life									0.02	0.12	0.01	0.87
Perceived severity of diabetes									0.25	0.10	0.21	0.02
Perceived diabetes-related social support									0.08	0.10	0.06	0.44
Diabetes-related emotional distress									−0.0008	0.009	−0.008	0.93

Abbreviations: B, unstandardized regression coefficient; SE, standard error; Beta, standardized regression coefficient.