Fig. 3

Forest plots including subgroup analyses for the association between participant characteristics and laryngeal cancer. Subgroup analyses were performed to investigate the associations between age, sex, smoking, alcohol consumption, and anemia and the development of laryngeal cancer according to the status of underweight and type 2 diabetes. The analysis was adjusted for age, sex, income, smoking, alcohol consumption, regular physical activity, hypertension, dyslipidemia, and anemia