Background: Evidence is limited characterizing sociodemographically diverse patient populations with lung cancer in relation to smoking status.Methods: In a cross-sectional analysis of adults diagnosed with lung cancer at ages ≥30 years from 2007-2018 within an integrated healthcare system, overall and sex-specific prevalence of never smoking were estimated according to sociodemographic and clinical characteristics. Adjusted prevalence ratio (aPR) and 95% confidence interval (CI) were also estimated using modified Poisson regression to identify patient characteristics associated with never smoking, overall and by sex. Similar analyses were conducted to explore whether prevalence and association patterns differed between non-Hispanic White and Asian/Pacific Islander patients.

BACKGROUNDEvidence is limited characterizing sociodemographically diverse patient populations with lung cancer in relation to smoking status.

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