Geographic variation in poststroke depression among veterans with acute stroke
Author(s) -
Huanguang Jia,
L. Douglas Ried,
Xinping Wang,
Teresa M. Damush,
Linda J. Young,
Randi Cameon,
Linda S. Williams
Publication year - 2008
Publication title -
the journal of rehabilitation research and development
Language(s) - English
Resource type - Journals
eISSN - 1938-1352
pISSN - 0748-7711
DOI - 10.1682/jrrd.2007.06.0090
Subject(s) - veterans affairs , pharmacy , medicine , logistic regression , depression (economics) , stroke (engine) , geographic variation , acute stroke , emergency medicine , medical emergency , family medicine , psychiatry , environmental health , population , mechanical engineering , emergency department , engineering , economics , macroeconomics
This study compared patterns of poststroke depression (PSD) detection among veterans with acute stroke in eight U.S. geographic regions. Department of Veterans Affairs (VA) medical and pharmacy data as well as Medicare data were used. International Classification of Diseases-9th Revision depression codes and antidepressant medication dispensing were applied to define patients' PSD status 12 months poststroke. Logistic regression models were fit to compare VA PSD diagnosis and overall PSD detection between the regions. The use of VA medical data alone may underestimate the rate of PSD. Geographic variation in PSD detection depended on the data used. If VA medical data alone were used, we found no significant variation. If VA medical data were used along with Medicare and VA pharmacy data, we observed a significant variation in overall PSD detection across the regions after adjusting for potential risk factors. VA clinicians and policy makers need to consider enrollees' use of services outside the system when conducting program evaluation. Future research on PSD among veteran patients should use VA medical data in combination with Medicare and VA pharmacy data to obtain a comprehensive understanding of patients' PSD.
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