Associations of Tobacco Use and Alcohol Drinking with Laryngeal and ...

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Aug 28, 2013 - and Technology of Japan (12218231 and 1701503). The funders had no role in ... have shown the significant risk for oral cancer among tobacco chewers. Recently, Gupta et ..... The IARC international study of cancers of the ...

Associations of Tobacco Use and Alcohol Drinking with Laryngeal and Hypopharyngeal Cancer Risks among Men in Karunagappally, Kerala, India -Karunagappally Cohort Study Padmavathy Amma Jayalekshmi1,2☯, Athira Nandakumar3☯, Suminori Akiba3*, Paleth Gangadharan4, Chihaya Koriyama3 1 Regional Cancer Center, Trivandrum, Kerala, India, 2 Natural Background Radiation Cancer Registry, Karunagappally, Kerala, India, 3 Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan, 4 Amrita Institute of Medical Sciences, Cochin, Kerala, India

Abstract Background: From among a cohort of 65,553 men aged 30–84 in Karunagappally Taluk, Kerala, India, 52 hypopharyngeal cancer cases and 85 laryngeal cancer cases were identified by the Karunagappally Cancer Registry during the period between 1990 and 2009. Methods: We conduct Poisson regression analysis of grouped data, taking into account age and education. Results: This study showed that the incidence rates of cancers of the hypopharynx and the larynx were strongly related to the number of bidis smoked a day (P

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