| | Site Characteristic | Arm 1 | Arm 2 | Arm 3 | | Site 1A | Site 1B | Site 1C | Site 2A | Site 2B | Site 2C | Site 2D | Site 3A | Site 3B | Site 3C | Site 3D |
| | Ownership | Hospital (satellite) | Hospital (satellite) | Private | Hospital (satellite) | Private | Private | Hospital (onsite) | Private | Hospital (onsite) | Hospital (onsite) | Private | | Geographic location | Urban | Urban | Urban | Urban | Urban | Rural | Urban | Urban | Urban | Urban | Urban | | Residency practice site? (Y/N) | Y | Y | N | Y | N | N | N | N | Y | N | Y | | Approximate visits per year | 13,780 | 9,300 | 37,800 | 25,000 | 23,000 | 5,000 | 5,000 | 60,000 | 18,000 | 4,500 | 13,000 | | Total Staff | 45 | 36 | 60 | 40 | 20 | 3 | 20 | 45 | 82 | 12 | 30 |
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