July 2012

Document Type


Degree Name



Dept. of Public Health and Preventive Medicine


Oregon Health & Science University


Objectives. (1) Examine the prevalence of in-home exposure to secondhand tobacco smoke (SHS) among U.S. children overall and within demographic subgroups. (2) Investigate the relationship between state-level smokefree air legislation and prevalence of smokefree homes among U.S. children whose households include smokers. Methods. We used data from the 2007 National Survey of Children’s Health, supplemented with state-level adult smoking prevalence and rating of state smokefree air legislation. Prevalence estimates were derived from 91,970 parent respondents for children age 0-17 years in all 50 states and the District of Columbia, and weighted to reflect characteristics of the U.S. child population. Logistic regression analysis was conducted for a subset of 22,112 children living in households with smokers. Legislative provisions in effect prior to NSCH data collection were categorized as “Strong”, “Adequate” or “Inadequate” based on scores reported in the 2006 edition of “State of Tob




School of Medicine



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