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Odd ratios for oral cancer according to categories of levels of La in the total study population, 1:1 PSM population, and IPTW population. (a) Calculated from multivariable logistic regression models, with adjustment for age, gender, occupation, education level, BMI, residence, family history of cancer, smoking, alcohol and tea drinking, as well as intake frequency of red meat, fish, seafood, vegetables, and fruits. (b,c) Calculated from conditional logistic regression models.
