Smoking and urinary cotinine by socioeconomic status in the Heinz Nixdorf Recall Study.
Jan HovanecTobias WeißHolger KochBeate PeschThomas BehrensBenjamin KendziaMarina ArendtNico DraganoSusanne MoebusBörge SchmidtThomas BrüningKarl-Heinz JöckelPublished in: Journal of epidemiology and community health (2019)
Validity of self-reported smoking status in this elderly German cohort was high and did not depend on SES.
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