High prevalence of tobacco use and associated oral mucosal lesion among interstate male migrant workers in Urban Kerala, India

Background: Kerala is a highly urbanized state in India and interstate migrant laborers working there forms a marginalized community. It was generally perceived that use of tobacco and alcohol was high among the workers, but there are no epidemiological studies assessing the actual burden

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Objectives: To estimate the prevalence of use of tobacco and also the prevalence of oral mucosal lesions associated with such use consumption among the adult male interstate migrant workers in North Kerala

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Materials and Methods: A cross sectional study was carried out among male migrant workers above 18 years working in different factories in urban parts of Kannur district. Total of 244 participants attending routine health check-up camp were assessed for the use of tobacco/alcohol, type, frequency and duration of their use by a questionnaire. The trained dental interns conducted oral cavity examination for detecting oral mucosal lesions associated with tobacco use

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Results: The prevalence of current use of smoked tobacco, smokeless tobacco and alcohol use were 41.8%, 71.7% and 56.6%, respectively among migrants. Oral mucosal lesions [OML] were seen in 36.3% of participants. Among smokeless tobacco users, 44.6% had lesions. Adjusted odds ratio for OML was 4.5 [CI: 1.9 - 19.84] among smokeless tobacco users

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Conclusions: The current use of smokeless tobacco and oral mucosal lesions are highly prevalent among migrant workers