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J Rural Health. 2013 Fall;29(4):339-48. doi: 10.1111/jrh.12022. Epub 2013 Apr 11.

Geographic disparities in patient travel for dialysis in the United States.

Author information

1
Prima Health Analytics, Boston, Massachusetts.

Abstract

PURPOSE:

To estimate travel distance and time for US hemodialysis patients and to compare travel of rural versus urban patients.

METHODS:

Dialysis patient residences were estimated from ZIP code-level patient counts as of February 2011 allocated within the ZIP code proportional to census tract-level population, obtained from the 2010 U.S. Census. Dialysis facility addresses were obtained from Medicare public-use files. Patients were assigned to an "original" and "replacement" facility, assuming patients used the facility closest to home and would select the next closest facility as a replacement, if a replacement facility was required. Driving distances and times were calculated between patient residences and facility locations using GIS software.

FINDINGS:

The mean one-way driving distance to the original facility was 7.9 miles; for rural patients average distances were 2.5 times farther than for urban patients (15.9 vs. 6.2 miles). Mean driving distance to a replacement facility was 10.6 miles, with rural patients traveling on average 4 times farther than urban patients to a replacement facility (28.8 vs. 6.8 miles).

CONCLUSION:

Rural patients travel much longer distances for dialysis than urban patients. Accessing alternative facilities, if required, would greatly increase rural patient travel, while having little impact on urban patients. Increased travel could have clinical implications as longer travel is associated with increased mortality and decreased quality of life.

KEYWORDS:

access to care; dialysis; health disparities; rural; utilization of health services

PMID:
24088208
DOI:
10.1111/jrh.12022
[Indexed for MEDLINE]
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