Betel-quid chewing with or without tobacco is a major risk factor for oral potentially malignant disorders in Sri Lanka: a case-control study.

@article{Amarasinghe2010BetelquidCW,
  title={Betel-quid chewing with or without tobacco is a major risk factor for oral potentially malignant disorders in Sri Lanka: a case-control study.},
  author={Hemantha K Amarasinghe and Udaya S Usgodaarachchi and Newell W Johnson and Ratilal Lalloo and Saman Warnakulasuriya},
  journal={Oral oncology},
  year={2010},
  volume={46 4},
  pages={297-301}
}
We investigated the prevalence of, and risk factors for, oral potentially malignant disorders (OPMDs) in rural Sri Lanka. A cross-sectional community-based study was conducted by interview and oral examination of 1029 subjects aged over 30 years. A community-based nested case-control study then took those with OPMDs as 'cases', "controls" being those with no oral abnormalities at time of initial screening. The prevalence of OPMD was 11.3% (95% CI: 9.4-13.2), after weighting for place of… CONTINUE READING

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