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Cancer Causes Control. 2018 Aug;29(8):769-774. doi: 10.1007/s10552-018-1044-x. Epub 2018 Jun 15.

Differences in smoking prevalence and eligibility for low-dose computed tomography (LDCT) lung cancer screening among older U.S. adults: role of sexual orientation.

Author information

1
College of Nursing, University of Illinois at Chicago, 845 S. Damen Avenue, Chicago, IL, 60612, USA. aliciak@uic.edu.
2
Institute for Research on Women and Gender, University of Michigan, Ann Arbor, MI, 48109, USA.
3
Department of Health Education and Promotion, College of Health and Human Performance, East Carolina University, Greenville, NC, USA.

Abstract

The purpose of this study was to determine the past-year prevalence estimates of cigarette smoking and eligibility for low-dose computed tomography (LDCT) lung cancer screening among older U.S. adults and examine potential variations in these estimates by sexual orientation. Data were from the 2012-2013 National Epidemiologic Survey on Alcohol and Related Conditions (NESARC-III) and included in-person interviews with a nationally representative sample of non-institutionalized adults aged 18 and older. Eligibility for LDCT was based on U.S. Centers for Medicare and Medicaid Services (CMS) guidelines. Analyses included participants aged 55-77 (nā€‰=ā€‰9,635). Overall, 17.5% of older adult respondents reported past-year smoking. Overall rates of past-year cigarette smoking were influenced by sex and sexual orientation with males reporting higher rates compared to females. Among both males and females, smoking was most prevalent among bisexual individuals. Eligibility for LDCT was also higher among males compared to females and among bisexually identified adults relative to homosexual and heterosexual-identified adults. Overall, 11.2% of older U.S. adults met eligibility for LDCT lung cancer screening. Eligibility for LDCT lung screening is associated with sexual orientation; the highest rates of eligibility are among bisexual women and men (26.9 and 24.5%, respectively). The current study found variations in cigarette smoking and eligibility for LDCT lung cancer screening (a proxy for chronic high-risk smoking) among older U.S. adults based on sexual orientation. Efforts to increase screening should take into account these differences.

KEYWORDS:

Cancer disparities; Cancer screening; Cigarette smoking; LDCT lung cancer screening; Sexual orientation

PMID:
29948516
PMCID:
PMC6045449
[Available on 2019-08-01]
DOI:
10.1007/s10552-018-1044-x

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