. Author manuscript; available in PMC: 2018 Dec 11.

Published in final edited form as: J Health Care Poor Underserved. 2018;29(4):1509–1528. doi: 10.1353/hpu.2018.0109

Table 4.

ADJUSTED MARGINAL ZERO-INFLATED POISSON REGRESSION MODEL FOR GLYCOSYLATED HEMOGLOBIN (HBA1C), DENTAL INSURANCE COVERAGE STATUS, AND THE INTERACTION BETWEEN THEM, ALONG WITH AGE AND TIME SINCE LAST DENTAL VISIT AS THE INDEPENDENT VARIABLES AND NUMBER OF TEETH PRESENT AS THE DEPENDENT VARIABLE AFTER APPLYING MULTIPLE IMPUTATION FOR MISSING VALUES^a: ELDERSMILE PROGRAM, NEW YORK, NY, USA, 2010–2013

Independent Variables	Model	Rate Ratio	(95% Confidence Interval)
Age		.993	(.993–.993)^*
HbAlc		.936	(.934–.938)^*
Medicaid		.4l2	(.37l–.458)^*
Private/Other	Count	.742	(.659–.836)^*
Dental visit 1–3 years		.9l6	(.9l4–.9l9)^*
Dental visit > 3 years		.878	(.873–.882)^*
HbAlc X Medicaid		l.ll3	(l.ll0–l.ll6)^*
HbAlc X Private/Other		l.053	(l.050–1.057)^*

Independent Variables	Model	Odds Ratio	(95% Confidence Interval)
Age		l.058	(l.058–l.058)^*
HbAlc		.902	(.869–.937)^*
Medicaid	Zero-inflation	3.2l2	(2.l85–4.722)^*
Private/Other		l.382	(.836–2.286)
Dental visit l–3 years		2.l40	(l.773–2.583)^*
Dental visit > 3 years		l.343	(l.072–1.683)^*

Notes

The percent of missing values for the variables in the model are as follows: age 3.94%; HbAlc 33.79%;dental coverage 22.66%; time since last dental visit l4.38%; number of teeth present 25.6l%.r

p=.05

^**

p = .01

^***

p =.001