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. Author manuscript; available in PMC: 2013 Aug 13.
Published in final edited form as: Health Aff (Millwood). 2012 Nov;31(11):2453–2463. doi: 10.1377/hlthaff.2011.0252

Exhibit 1.

Characteristics of the Physician Sample

M.D. CHARACTERISTICS N %
DEGREE
D.O. 266 2.2%
M.D. 11,850 97.8%
GENDER
Male 8,463 69.8%
Female 3,653 30.2%
BOARD CERTIFICATION STATUS
No Certification 962 7.9%
Board Certified 11,154 92.1%
YEARS OF EXPERIENCE
<10 Years 1,927 15.9%
10-19 Years 3,749 30.9%
20-29 Years 3,446 28.4%
30-39 Years 2,086 17.2%
≥40 Years 908 7.5%
MEDICAL SCHOOL LOCATION
Domestic 10,117 83.5%
International 1,999 16.5%
MALPRACTICE CLAIMS
No Claims Paid in Last 10 years 10,970 90.5%
1+ Claims Paid in Last 10 Years 1,146 9.5%
DISCPLINARY ACTIONS
No Disciplinary Actions in Last 10 yrs 12,001 99.1%
1+ Disciplinary Actions in Last 10yrs 115 0.9%
ACADEMIC AFFILIATION
Not Affiliated with an Academic Institution 7,814 64.5%
Affiliated with an Academic Institution 4,302 35.5%
NUMBER OF PHYSICIANS IN GROUP
>200 physicians in group 4,271 35.3%
20-200 physicians in group 4,472 36.9%
Solo Practice or <20 physicians in group 3,373 27.8%

SOURCE: The information in this exhibit is derived from the authors’ own analyses and data from the Massachusetts Board of Medicine