Accepted for Publication: February 9, 2011.
Author Contributions: Dr Butz had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Butz, Matsui, Breysse, Eggleston, and Rand. Acquisition of data: Butz, Matsui, Curtin-Brosnan, Eggleston, Diette, Williams, Yuan, and Bernert. Analysis and interpretation of data: Butz, Matsui, Breysse, Curtin-Brosnan, Eggleston, Williams, and Rand. Drafting of the manuscript: Butz, Matsui, Breysse, Curtin-Brosnan, Eggleston, and Yuan. Critical revision of the manuscript for important intellectual content: Butz, Matsui, Breysse, Diette, Williams, and Bernert. Statistical analysis: Matsui and Rand. Obtained funding: Butz, Breysse, and Eggleston. Administrative, technical, and material support: Butz, Breysse, Eggleston, Diette, Williams, Yuan, Bernert, and Rand. Study supervision: Butz and Breysse. Air nicotine analyses: Yuan.
Financial Disclosure: None reported.
Funding/Support: This study was supported by grant E09606 from the National Institute of Environmental Health Science, National Institutes of Health; by grant P01 R-826724 from the Environmental Protection Agency; and by The Johns Hopkins Center for Childhood Asthma in the Urban Environment.
Disclaimer: The findings and conclusions in this report are those of the authors and do not necessarily represent the views of the Centers for Disease Control and Prevention.
Additional Contributions: Craig Lewis and Rooti Lewis, BA, collected the clinical and indoor air data; James E. McGuffey, BS, and Connie S. Sosnoff, MS, performed the urine cotinine analyses.
This article was corrected for errors on August 5, 2011.