TABLE 1.

Sample description according to gender, age, ethnicity, occupational sunlight exposure, clinicai appearance and histological grading of the biopsied actinic cheilitis. Natal, Brazil, 2014.

	n	%
Gender
Male	128	79.5
Female	33	20.5
Total	161	100
Age
> 40 years	125	77.5
< 40 years	36	22.5
Total	161	100
Ethnicity
White	120	85.7
Mixed race	19	13.6
Black	01	0.7
Totala	140	100
Occupational solar exposure
Yes	118	80.3
No	29	19.7
Totala	147	100
Smoker
Yes	42	29.3
No	101	70.7
Totala	143	100
Alcohol consumption
Yes	21	14.7
No	122	85.3
Totala	143	100
Histopathological Grade
High-Risk	33	39.8
Low-Risk	50	60.2
Totalb	83	100

SOURCE: Postgraduate Program in Oral Pathology - UFRN.

^aMissing data;

^bData refers only to biopsied cases.