Table 2.

Logistic regression estimate of oral cancer incidence among Medicaid and commercial enrollees.

	Medicaid			Commercial
Effect	N	OR (95% Wald confidence limits)	P	N	OR (95% Wald confidence limits)	P
Age group (ref = 21–30)	64		<0.0001	36		<0.0001
31–40	125	1.84 (1.36–2.48)		75	2.10 (1.41–3.13)
41–50	278	5.22 (3.97–6.85)		186	4.56 (3.19–6.52)
51–60	875	13.37 (10.36–17.27)		569	11.82 (8.44–16.56)
61–64	403	17.10 (13.12–22.29)		368	17.34 (12.31–24.43)
Sex (ref = male)	1,118		<0.0001	810		<0.0001
Female	627	0.46 (0.41–0.50)		424	0.46 (0.41–0.52)
Race and ethnicity (ref = white)a	1,062		<0.0001	—		—
Black	375	0.66 (0.59–0.74)		—	—	—
Hispanic	25	0.78 (0.52–1.15)		—	—	—
Other	29	0.84 (0.58–1.21)		—	—	—
Elixhauser Comorbidities
Tobacco	1,040	2.84 (2.57–3.13)	<0.0001	140	2.21 (1.85–2.65)	<0.0001
Alcohol	337	2.24 (1.98–2.54)	<0.0001	48	2.73 (2.03–3.67)	<0.0001
HIV/AIDS	40	1.89 (1.38–2.60)	<0.0001	7	2.26 (1.07–4.76)	0.0302
Dental Prior Year (ref = no)	1,472		<0.0001	410		<0.0001
Yes	273	0.71 (0.62–0.80)		824	0.41 (0.36–0.46)

^aData on race or ethnicity not available in the commercial insurance dataset. White, Black, and Other were all non-Hispanic.