Table 2.

Epidemiological characteristics of the individuals attended to in the 2008 and 2012 campaigns.

Characteristics	2008		2012		Total
	n	%	n	%	n	%
Gendera
Male	819	45.3	625	50.4	1444	47.3
Female	990	54.8	616	49.6	1606	52.7
Ethnicity
White	937	51.8	539	43.5	1476	48.3
Black	130	7.2	266	21.5	396	12.9
Mixed-race	742	41	805	35	1547	38.8
Degree of schooling
Did not finish elementary school	468	25.9	275	22.2	743	24.3
Finished elementary school	193	10.7	163	13.2	356	11.6
Did not finish high school	284	15.4	124	10	408	13.3
Finished high school	586	32.4	441	35.6	1027	33.6
Did not finish college/university	59	3.3	43	3.5	102	3.3
Finished college/university	112	6.2	137	11.1	249	8.1
Illiterate	54	3	58	4.4	112	3.6
Did not answer	53	3.1	-	-	53	2.2
Smokingb
Smokers	548	30.3	245	19.8	793	26
Non-smokers	1261	69.7	996	70.2	2257	74
Type of tobacco
Cigarettes	465	85	182	74.3	647	81.5
Chewing tobacco	10	2	7	2.8	17	2.1
Cigarettes and chewing tobacco	20	4	2	0.8	22	2.7
Other/did not answer	53	9	56	22.1	109	13.7
Use of alcoholc
Yes	539	29.8	348	28.1	887	29
No	1270	70.2	893	71.9	2163	71
History of cancer
Yes	1146	63.4	711	57.3	1857	60.8
No	663	36.6	530	42.7	1193	39.2
Dentition
Poor	247	13.7	140	11.3	387	12.6
Regular	613	33.9	412	33.2	1025	33.6
Good	736	40.7	560	45.2	1296	42.4
Toothless	213	11.7	129	10.2	342	11.4
Use of dental prosthesis
Yes	593	32.8	378	30.5	971	31.8
No	1216	67.2	863	69.5	2079	68.2

^aMean age: 42.5 ± 15.6 years (2008); 45.7 ± 15.2 years (2012); 44.1 ± 15.4 years (total).

^bMean time of smoking: 20.8 ± 12.6 years (2008); 22.6 ± 14 years (2012); 21.7 ± 13.3 years (total).

^cMean time of alcohol consumption: 18 ± 12.4 years (2008); 27 ± 17.2 years (2012); 22.5 ± 14.9 years (total).