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Background

Older adults treated in emergency departments (EDs) are at higher risk for adverse outcomes. Using multiple facilities can worsen this issue through service duplication and poor care transitions. Veterans with dual insurance coverage can access both Veterans Health Administration (VHA) and non-VHA EDs. This study aimed to identify factors associated with non-VHA ED use among veterans.

Methods

We conducted a retrospective observational study of patients aged ≥ 65 who had primary care at the James J Peters VA Medical Center and at least one VHA or non-VHA ED visit between October 2017 and February 2020. Data were collected from the Veterans Affairs Corporate Data Warehouse and the Bronx Regional Health Information Exchange Organization. Generalized linear mixed models were used to examine factors influencing non-VHA ED use.

Results

The study sample consisted of 3,897 veterans and a total of 13,312 ED visits. Compared to VHA-exclusive ED users, non-VHA ED users were more likely to live farther away (OR 1.04, CI 1.02 – 1.06) and seek care outside regular hours, including mornings (OR 1.61, CI 1.39 – 1.87), nights (OR 1.49, CI 1.33 – 1.66), weekends (OR 1.28, CI 1.16 – 1.42), and holidays (OR 1.32, CI 1.04 – 1.68). They were also more likely to present with emergency care sensitive conditions (OR 2.13, CI 1.90 – 2.37) and recent inpatient hospitalizations (OR 1.22, CI 1.05 – 1.41).

Conclusion

These findings suggested that distance and acuity are important predictors of non-VHA ED use in urban areas such as the Bronx, NY. Identifying veterans with key risk factors could improve care coordination and potentially reduce non-VHA ED use.