|  |  | 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 | Â | Â | Â | Â | Â | Â | .03 |
New England/Mid-Atlantic | 16 | 24.2 | 14 | 29.2 | 2 | 11.1 | Â |
Midwest | 23 | 34.8 | 16 | 33.3 | 7 | 38.9 | Â |
South | 15 | 22.7 | 13 | 27.1 | 2 | 11.1 | Â |
West | 12 | 18.2 | 5 | 10.4 | 7 | 38.9 | Â |
Number of affiliated outpatient clinics | Â | Â | Â | Â | Â | Â | .07* |
2-3 | 16 | 24.2 | 14 | 29.2 | 2 | 11.1 | Â |
4-5 | 30 | 45.4 | 22 | 45.8 | 8 | 44.4 | Â |
6-15 | 20 | 30.3 | 12 | 25.0 | 8 | 44.4 | Â |
Median (interquartile range) | 4.5 | (4-6) | 4 | (3-5.5) | 5 | (4-7) | .02** |