Abstract S087 Cannabis use and risk of respiratory tract cancer

Joint-yearsCasesControlsRR of respiratory tract cancer (95% CI)
*Adjusted for age, sex, ethnicity and family history and pack-years of tobacco use.
None1172851.00
1st tertile5190.40 (0.12–1.31)
2nd tertile9150.95 (0.38–2.40)
3rd tertile1953.47 (1.13–10.7)