Secondhand smoke exposure among nonsmoking adults : United States, 2015–2018
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Secondhand smoke exposure among nonsmoking adults : United States, 2015–2018

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English
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  • Description:
    Data from the National Health and Nutrition Examination Survey

    • During 2015–2018, 20.8% of nonsmoking U.S. adults aged 18 and over were exposed to secondhand tobacco smoke (SHS) as measured by cotinine in the blood.

    • The prevalence of SHS exposure was greater for adults aged 18–39 (25.6%) than for those aged 40–59 (19.1%) and 60 and over (17.6%).

    • Exposure to SHS was more prevalent among non-Hispanic black adults (39.7%) compared with non-Hispanic white (18.4%), non-Hispanic Asian (20.9%), and Hispanic (17.2%) adults.

    • Adults with some college education had a lower prevalence of SHS exposure compared with those with a high school education or less, and the percentage of SHS-exposed adults decreased with increasing family income.

    • From 2009 through 2018, the prevalence of SHS exposure declined from 27.7% to 20.7%.

    Secondhand smoke (SHS) exposure results when smoke from burning tobacco products is inhaled by nonsmokers (1,2). Acute respiratory effects, coronary heart disease, stroke, lung cancer, and premature death are associated with SHS exposure (2,3). There is no risk-free level of SHS exposure (1). The prevalence of SHS exposure declined by 71.2% from 1988 to 2014 (4). This report examines the prevalence of SHS exposure among nonsmoking U.S. adults in 2015–2018 based on blood levels of cotinine, a metabolite of nicotine. Trends in SHS exposure are also presented.

    CS322063

    Suggested citation: Brody DJ, Faust E, Tsai J. Secondhand smoke exposure among nonsmoking adults: United States, 2015–2018. NCHS Data Brief, no 396. Hyattsville, MD: National Center for Health Statistics. 2021. DOI: https://doi.org/10.15620/cdc:101197.

    db396-H.pdf

  • Content Notes:
    Key findings -- What percentage of nonsmoking adults were exposed to SHS, and were there differences by sex and age in 2015–2018? -- Did SHS exposure among nonsmoking adults vary by sex and race and Hispanic origin in 2015–2018? -- Were there differences in the percentage of nonsmoking adults exposed to SHS by education or family income in 2015–2018? -- Has SHS exposure among nonsmoking adults changed from 2009 to 2018? -- Summary -- Definitions -- Data source and methods -- About the authors -- References -- Suggested citation.
  • Series:
    NCHS Data Briefs
  • Document Type:
    Journal Issue
  • Name as Subject:
  • Genre:
    Statistics
  • Place as Subject:
    United States
  • CIO:
    National Center for Health Statistics (U.S.)
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