Variability in Urinary Nicotine Exposure Biomarker Levels Between Waves 1 (2013-2014) and 2 (2014-2015) in the Population Assessment of Tobacco and Health Study.
David L AshleyWanzhe ZhuLanqing WangConnie S SosnoffJun FengArseima Y Del Valle-PineroYu-Ching ChengCindy M ChangDana van BemmelNicolette BorekHeather L KimmelMarushka L SilveiraBenjamin C BlountPublished in: Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco (2022)
The results of this study show that the consistency of the nicotine biomarkers cotinine and total nicotine equivalents in spot urine samples from Waves 1 to 2 of the PATH Study is high enough that these data are useful to evaluate the association of cigarette characteristics with biomarkers of exposure under real-world use conditions.