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Brief ReportResearch Briefs

Clinicians’ Overestimation of Their Geographic Service Area

Robert M. Rock, Winston R. Liaw, Alex H. Krist, Sebastian Tong, David Grolling, Jennifer Rankin and Andrew W. Bazemore
The Annals of Family Medicine August 2019, 17 (Suppl 1) S63-S66; DOI: https://doi.org/10.1370/afm.2383
Robert M. Rock
1Montefiore Medical Center, Department of Family and Social Medicine, Bronx, New York
MD
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  • For correspondence: robertmichaelrock@gmail.com
Winston R. Liaw
2University of Texas Health Science Center at Houston, Houston, Texas
3The Robert Graham Center, Washington, DC
MD, MPH
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Alex H. Krist
4Virginia Commonwealth University, Department of Family Medicine and Population Health, Richmond, Virginia
MD, MPH
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Sebastian Tong
4Virginia Commonwealth University, Department of Family Medicine and Population Health, Richmond, Virginia
MD, MPH
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David Grolling
5HealthLandscape/American Academy of Family Physicians, Leawood, Kansas
MPS
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Jennifer Rankin
5HealthLandscape/American Academy of Family Physicians, Leawood, Kansas
PhD
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Andrew W. Bazemore
2University of Texas Health Science Center at Houston, Houston, Texas
MD, MSPH
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    Figure 1

    Examples of overlapping perceived and actual service areas.

Tables

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    Table 1

    Accuracy of Perceived Service Area vs Actual Service Area, by Practice

    Practice and ParticipantTotal Census TractsSquare MilesOverlapCore Tracts MissedNoncore Tracts Included
    Census TractsSquare MilesPercent of ActualCensus TractsSquare MilesPercentCensus TractsSquare MilesPercent
    Practice 197228.8………………………
    Physician 1191417.994.0212.696.93.016.23.197.0205.250.8
    Physician 2499969.097.0228.8100.00.00.00.0402.0740.180.6
    Resident 3127222.477.0153.279.420.075.620.650.069.239.4
    Physician 4196231.271.0113.773.226.0115.226.8125.0117.663.8
    Physician 5139363.187.0211.089.710.017.910.352.0152.237.4
    Resident 6135216.769.0141.471.128.087.528.966.075.348.9
    Practice 255111.2………………………
    Physician 13335.130.030.954.525.080.345.53.042.09.1
    Practice 31586.8………………………
    Administrator 146357.814.064.193.31.022.76.732.0293.769.6
    Physician 142436.415.086.8100.00.00.00.027.0349.764.3
    Practice 438167.1………………………
    Physician 1119400.738.0167.1100.00.00.00.081.0232.968.1
    Practice 53884.5………………………
    Physician 18571.913.015.634.225.068.965.872.056.384.7
    Practice 632149.9………………………
    Physician 138259.320.090.362.512.059.737.518.0169.147.4
    Physician 218272.013.097.940.619.052.059.45.0174.127.8
    Nurse practitioner 328427.419.0111.659.413.038.340.69.0315.832.1
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The Annals of Family Medicine: 17 (Suppl 1)
The Annals of Family Medicine: 17 (Suppl 1)
Vol. 17, Issue Suppl 1
August 2019
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Clinicians’ Overestimation of Their Geographic Service Area
Robert M. Rock, Winston R. Liaw, Alex H. Krist, Sebastian Tong, David Grolling, Jennifer Rankin, Andrew W. Bazemore
The Annals of Family Medicine Aug 2019, 17 (Suppl 1) S63-S66; DOI: 10.1370/afm.2383

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Clinicians’ Overestimation of Their Geographic Service Area
Robert M. Rock, Winston R. Liaw, Alex H. Krist, Sebastian Tong, David Grolling, Jennifer Rankin, Andrew W. Bazemore
The Annals of Family Medicine Aug 2019, 17 (Suppl 1) S63-S66; DOI: 10.1370/afm.2383
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