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Examination of the Association Between Access to Care and Lung Cancer Screening Among High-Risk Smokers

doi: 10.3389/fpubh.2021.684558. eCollection 2021. Examination of the Association Between Access to Care and Lung Cancer Screening Among High-Risk Smokers

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Examination of the Association Between Access to Care and Lung Cancer Screening Among High-Risk Smokers

Chien-Ching Li et al. Front Public Health. 2021.

doi: 10.3389/fpubh.2021.684558. eCollection 2021. Affiliations

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Abstract

Objective: The purpose of this study was to examine the influence of access to care on the uptake of low-dose computed tomography (LDCT) lung cancer screening among a diverse sample of screening-eligible patients. Methods: We utilized a cross-sectional study design. Our sample included patients evaluated for lung cancer screening at a large academic medical center (AMC) between 2015 and 2017 who met 2013 USPSTF guidelines for LDCT screening eligibility. The completion of LDCT screening (yes, no) was the primary dependent variable. The independent variable was access to care (insurance type, living within the AMC service area). We utilized binary logistic regression analyses to examine the influence of access to care on screening completion after adjusting for demographic factors (age, sex, race) and smoking history (current smoking status, smoking pack-year history). Results: A total of 1,355 individuals met LDCT eligibility criteria, and of those, 29.8% (n = 404) completed screening. Regression analysis results showed individuals with Medicaid insurance (OR, 1.51; 95% CI, 1.03-2.22), individuals living within the AMC service area (OR, 1.71; 95% CI, 1.21-2.40), and those aged 65-74 years (OR, 1.49; 95% CI, 1.12-1.98) had higher odds of receiving LDCT lung cancer screening. Lower odds of screening were associated with having Medicare insurance (OR, 0.30; 95% CI, 0.22-0.41) and out-of-pocket (OR, 0.27; 95% CI, 0.15-0.47). Conclusion: Access to care was independently associated with lowered screening rates. Study results are consistent with prior research identifying the importance of access factors on uptake of cancer early detection screening behaviors.

Keywords: access to care; low-dose computed tomography; lung cancer screening; racial disparities; social determinants of health.

Copyright © 2021 Li, Matthews, Kao, Lin, Bahhur and Dowling.

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Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Figures

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Study sample flow chart.

Figure 1

Study sample flow chart.

Figure 1

Study sample flow chart.

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