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Alcohol intake and oral cavity cancer risk among men in a prospective study in Kerala, India
Community Dentistry and Oral Epidemiology, 07/20/09

Cancela MC et al. – Study reports that alcohol intake plays an important role in oral carcinogenesis, and understanding this role is relevant to developing public health policies targeting at-risk population.

Methods

An evaluation of the role of alcohol drinking and patterns of consumption in oral cancer incidence and mortality in a cohort study using data from Trivandrum Oral Cancer Screening Study, India
Lifestyle questionnaire included items on frequency and duration of alcohol consumption
They were followed up for oral cancer incidence and mortality
Data from 32,347 subjects, of whom 134 eventually developed oral cancer, were analysed to estimate risk of oral cancer incidence and mortality according to drinking patterns
Cox regression model adjusted for age, religion, education, occupation, BMI, standard of living index, chewing habits, smoking habits, and vegetable and fruit intake was used

Results

Current and past drinkers were each associated with increased risk of developing oral cancer
The hazard ratio increased by 49% among current drinkers and 90% among past drinkers
A dose-response relationship between intake frequency, duration and oral cancer risk was observed

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