Introduction: Thirdhand smoke (THS) residue results from secondhand smoke, and is emerging as a distinct public health hazard, particularly for medically fragile pediatric patients living with smokers. THS is difficult to remove and readily reacts with other pollutants to form carcinogens and ultrafine particles. This study investigated THS found in homes of high-risk infants admitted to a neonatal intensive care unit and their association with characteristics (eg, number of household smokers) hypothesized to influence THS. Methods: Baseline data from 141 hospitalized infants' homes were analyzed, along with follow-up data (n = 22) to explore household smoking characteristics and THS changes in response to indoor smoking ban policies. Results: Households with an indoor ban, in which not more than 10 cigarettes/d were smoked, had the lowest levels of THS contamination compared to homes with no ban (P < .001) and compared to homes with an indoor ban in which greater numbers of cigarettes were smoked (P
CITATION STYLE
Northrup, T. F., Matt, G. E., Hovell, M. F., Khan, A. M., & Stotts, A. L. (2016). Thirdhand smoke in the homes of medically fragile children: Assessing the impact of indoor smoking levels and smoking bans. Nicotine and Tobacco Research, 18(5), 1290–1298. https://doi.org/10.1093/ntr/ntv174
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