Accepted for Publication: February 10, 2012.
Published Online: May 7, 2012. doi:10.1001 /archpediatrics.2012.170
Author Contributions:Study concept and design: Dempsey, Meyers, Fuentes-Afflick, and Benowitz. Acquisition of data: Dempsey, Meyers, Wu, and Jacob. Analysis and interpretation of data: Dempsey, Oh, Nguyen, Fuentes-Afflick, Wu, and Benowitz. Drafting of the manuscript: Dempsey, Meyers, Oh, Fuentes-Afflick, and Benowitz. Critical revision of the manuscript for important intellectual content: Dempsey, Oh, Nguyen, Fuentes-Afflick, Wu, Jacob, and Benowitz. Statistical analysis: Dempsey, Meyers, Oh, Nguyen, and Fuentes-Afflick. Obtained funding: Fuentes-Afflick, Jacob, and Benowitz. Administrative, technical, and material support: Fuentes-Afflick, Wu, Jacob, and Benowitz. Study supervision: Dempsey, Jacob, and Benowitz.
Financial Disclosure: Dr Benowitz has been a paid consultant for several pharmaceutical companies that market smoking cessation medications and has been a paid expert witness in litigation against tobacco companies.
Funding/Support: This work was supported by the University of California, San Francisco, Bland Lane Center of Excellence on Secondhand Smoke funded by the Flight Attendants Medical Research Institute, National Cancer Institute Training grant CA-113710, and National Institutes of Drug Abuse grant DA012353.
Additional Contributions: We thank Faith Allen, MD, for data management; Minjiang Duan, MD, and Lisa Yu, BS, for analytical chemistry; and Marc Olmsted, MA, for editorial assistance.