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Table 1 Study site characteristics

From: Design, rationale, and baseline characteristics of a cluster randomized controlled trial of pay for performance for hypertension treatment: study protocol

VA hospital City, State Teaching facility* US Census Division ALLHAT study site Primary care geographic integration†
VA Boston HCS Boston, MA X New England   X
Providence VAMC Providence, RI X New England X X
VA Connecticut HCS Newington, CT   New England   X
Charlie Norwood VAMC Augusta, GA X South Atlantic X X
Ralph H. Johnson VAMC Charleston, SC X South Atlantic X X
Birmingham VAMC Birmingham, AL X E. South Central   X
Aleda E. Lutz VAMC Saginaw, MI   E. North Central   
John D. Dingell VAMC Detroit, MI X E. North Central X X
G.V. (Sonny) Montgomery VAMC Jackson, MS X E. South Central X  
Michael E. DeBakey VAMC Houston, TX X W. South Central X  
Oklahoma City VAMC Oklahoma City, OK X W. South Central X X
Minneapolis VAMC Minneapolis, MN X W. North Central X  
  1. ALLHAT = Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial; HCS = healthcare system; US = United States;
  2. VA = Veterans Administration; VAMC = Veterans Affairs Medical Center
  3. * Designated as a teaching facility if the facility was either listed in the Association of American Medical College's (AAMC) Council of Teaching Hospitals (COTH) directory or if the American Medical Association's (AMA) Fellowship and Residency Electronic Interactive Database (FREIDA) database listed the VA facility as having a 'major' affiliation with a medical school.
  4. †Designated as geographically integrated if the primary care clinic layout was amenable to group cohesion (e.g., the primary care clinic offices located on the same floor at the study site).