Supplementary Table 3.
Physicians' Participation in Managed Care, 1997-2001


  Low Managed Care High Managed Care
One-third of physicians
reported that their managed
care revenue was less than		 One-third of physicians
reported that their managed
care revenue was more than
Specialty
   Year of CTS Physician Survey 1997 1999 2000 1997 1999 2000
   Internal Medicine
25%
30%
30%
50%
60%
60%
   Family/General Practice
25
30
30
52
60
60
   Pediatrics
40
50
50
70
75
75
   Medical Specialties
20
25
25
40
50
50
   Surgical Specialties
20
25
25
40
50
50
   Psychiatry
15
15
10
50
50
50
   Obstetrics/Gynecology
40
40
40
70
65
70

This table shows that the distribution of high and low managed care participation, defined by percentage of practice revenue from managed care, is relatively stable. The categories of high and low managed care participation are defined using the top and bottom third of each distribution of managed care revenue, by physician specialty.