Table 1.

Sociodemographic and Health History Characteristics of Residents of the Marshfield Epidemiologic Study Area Aged 25–64 Years With and Without at Least 1 Dental Clinic Comprehensive Examination^a During the Period 2006–2010^b

Measure	≥1 Comprehensive Dental Examinations (n = 2,056)		No Comprehensive Dental Examination (n = 5,620)		P Value
	No.	%	No.	%
Age group, years					0.144
25–34	534	26	1,459	26
35–44	459	22	1,187	21
45–54	592	29	1,550	28
55–64	471	23	1,424	25
Sex					<0.001
Female	1,109	54	2,607	46
Male	947	46	3,013	54
Race/ethnicity					<0.001
White, non-Hispanic	1,469	71	2,522	45
Nonwhite, non-Hispanic	45	2	60	1
Unknown	542	26	3,038	54
Medical insurance					<0.001
Private	601	29	1,910	34
Public	999	49	1,105	20
None	362	18	2,112	37
Unknown	94	5	493	9
Dental insurance					<0.001
Yes	1,461	71	1,143	20
No or unknown	595	29	4,477	80
Smoker					<0.001
Current smoker	638	31	947	17
Former smoker	353	17	625	11
Never smoker	726	35	1,621	29
Unknown	339	16	2,427	43
History of diabetes					<0.001
Yes	178	9	318	6
No	1,878	91	5,302	94
History of cardiovascular disease					<0.001
Yes	149	7	256	5
No	1,907	93	5,364	95

^a Persons with 1 or more Marshfield dental clinic comprehensive examinations in 2006–2010 were included in the analytical data set, whereas those without 1 or more examinations were excluded because periodontitis status could not be ascertained.

^b For each measure, the most recent known value recorded between January 1, 2006, and December 31, 2010, was reported.