The impact of travel time on colorectal cancer stage at diagnosis in a privately insured population

Mesnad Alyabsi, Mary Charlton, Jane Meza, K. M.Monirul Islam, Amr Soliman, Shinobu Watanabe-Galloway

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Background: Rural residents are less likely to receive screening for colorectal cancer (CRC) than urban residents. However, the mechanisms underlying this disparity, especially among people aged 50-64 years old with private health insurance, are not well understood. We examined the impact of travel time on stage at CRC diagnosis. Methods: This retrospective cohort study used data from the Blue Cross and Blue Shield of Nebraska. Members of this private insurance company aged 50-64 years, diagnosed with CRC during the period 2012-2016, and continuously enrolled in the insurance plan for at least 6 months prior to CRC diagnosis, were selected for this study. Using Google Maps, we estimated patients' travel time from their home ZIP code to the ZIP code of their colonoscopy provider. Using logistic regression, we analyzed the association between stage at CRC diagnosis, travel time, use of preventive services (i.e., check-ups or counseling to prevent or detect illness at an early stage) and patient characteristics. Results: A total of 307 subjects met the inclusion criteria. People who had not used preventive services 6 months prior to CRC diagnosis had 2.80 (95% CI, 1.00-7.90) times the odds of metastatic CRC compared to those who had used these services. No statistically significant association was found between travel time and metastatic CRC diagnosis (P = 0.99; 95% CI, 0.98-1.01). Conclusions: The fact that 13% of the study population presented with metastatic CRC suggests some noncompliance with preventive services such as screening guidelines. To increase screening uptake and reduce metastatic cases, employers should offer incentives for their employees to make use of preventive services such as CRC screening.

Original languageEnglish (US)
Article number172
JournalBMC Health Services Research
Volume19
Issue number1
DOIs
StatePublished - Mar 18 2019

Keywords

  • Access to care
  • Colorectal cancer
  • Geography
  • Health services research
  • Private insurance

ASJC Scopus subject areas

  • Health Policy

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