. Author manuscript; available in PMC: 2019 Dec 1.

Published in final edited form as: J Natl Med Assoc. 2018 Feb 23;110(6):540–546. doi: 10.1016/j.jnma.2018.01.006

Table 2.

PC utilization: Relative risk ratios from Poisson regression N=1,578

Variables	M1	M2	M3	M4	M5	M6	M7	M8	M9	M10
*Predisposing Factors*
Black	1.04	1.28^*	0.92	0.62^**	0.76	0.68^*	0.70^*	0.67^*	0.69	0.60^**
Female	1.28^***	1.27^***	1.11^***	1.11^***	1.16^***	1.17^***	1.17^***	1.17^***	1.17^***	1.16^***
Age	1.01^***	1.01^***	0.99^***	0.99^*	0.99^**	0.99^*	0.99^**	0.99^**	0.99^**	0.99^**
Age × Black		0.99	1.00	0.99	0.99^*	0.99	0.99	0.99	0.99	1.00
Less than HS	1.05	1.05	0.83^***	0.83^***	0.93^**	0.92^**	0.92^**	0.92^**	0.93^*	0.94^*
*Need Factors*
SRH			0.77^***	0.75^***	0.74^***	0.75^***	0.74^***	0.74^***	0.74^***	0.74^***
Functional Limit.			1.19^***	1.18^***	1.18^***	1.17^***	1.17^***	1.17^***	1.18^***	1.18^***
Health Conditions			1.18^***	1.15^***	1.14^***	1.13^***	1.13^***	1.13^***	1.13^***	1.13^***
SRH × Black				1.10^***	1.07^*	1.07^*	1.06^*	1.06^*	1.06^*	1.04
Func. Lim. × Black				1.02	1.03	1.04	1.03	1.03	1.02	1.03
Health Con. × Black				1.10^***	1.10^***	1.10^***	1.10^***	1.10^***	1.10^***	1.10^***
*Enabling Factors*
Employed					1.01	1.02	1.02	1.02	1.03	1.02
Income					1.04^***	1.04^***	1.04^***	1.04^***	1.04^***	1.04^***
Insured					2.08^***	2.09^***	2.05^***	2.05^***	2.02^***	1.95^***
Married					0.94^*	0.95^*	0.94^*	0.94^*	0.96	0.96
Rural					0.89^***	0.89^***	0.89^***	0.89^***	0.91^***	0.91^***
ED Use						1.21^***	1.21^***	1.21^***	1.21^***	1.21^***
*Trust in Physicians*
Mistrust							0.93^***	0.93^***	0.93^***	0.93^***
Mistrust × Black								1.02	1.00	0.97
*Life Course Factors*
South-Never									1.15^***	1.07^*
South-After 16									1.39^***	1.17^**
South-Left After 16									0.97	0.87
South-Never × Black										1.25^***
South-After 16 × Black										2.25^***
South-Left After 16 × Black										1.26^**

Note: 95% CIs provided in supplementary table 3;

^†

p≤0.10;

p≤0.05;

^**

p≤0.01;

^***

p≤0.001