Socio-demographic characteristics are related to the advanced clinical stage of oral cancer

Social determinants may be associated with the onset and progression of the clinical stage of oral cancer. To evaluate the impact of socio-demographic characteristics on the prevalence of advanced clinical stage of oral cancer. Information about 51,116 cases of oral cancer, from all Brazilian states, between 2000 and 2012, was obtained from the Cancer Registry Information System. The clinical stage of oral cancer (dependent variable) was classified as initial (stages I and II) or advanced (stages III and IV). The relationship between the clinical stage of oral cancer and the following independent variables was analyzed: sex, age, schooling, marital status, family history of cancer, and origin of referral. Analyses on frequency distribution and multivariate binary logistic regression model were performed (α