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Table 1 Distribution of eligible facilities according to participation: the VA MI-Plus study

From: Recruitment activities for a nationwide, population-based, group-randomized trial: the VA MI-Plus study

    Participated  
Characteristics ALL (N = 66) YES (N = 48) NO (N = 18) p
  N % N % N %  
Had a VHA health services research program 12 18.2 12 25.0 0 0.0 .03
Located in an urban area 59 89.4 45 95.7 14 77.8 .045
Geographic region        .03
New England/Mid-Atlantic 16 24.2 14 29.2 2 11.1  
Midwest 23 34.8 16 33.3 7 38.9  
South 15 22.7 13 27.1 2 11.1  
West 12 18.2 5 10.4 7 38.9  
Number of affiliated outpatient clinics        .07*
2-3 16 24.2 14 29.2 2 11.1  
4-5 30 45.4 22 45.8 8 44.4  
6-15 20 30.3 12 25.0 8 44.4  
Median (interquartile range) 4.5 (4-6) 4 (3-5.5) 5 (4-7) .02**
  1. *p for trend test; **p for Wilcoxon rank sum test.
  2. VHA = Veterans Health Administration.