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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Cancer. 2014 Sep 5;121(1):113–122. doi: 10.1002/cncr.29019

Table 3.

Predicted Probabilities of Being Very/Somewhat Satisfied with Career, Stratified by Specialty Type, Adjusted.

Primary Care Physician
n=1,536
Specialist Physician
n=2,119
Predicted
probability
95% CI Pa Predicted
probability
95% CI Pa
Barrier scoreb
  1.0–1.9 84.2% 82.2–86.2 Reference 88.1 86.3–89.9 Reference
  2.0–2.9 82.3% 80.2–84.4 .19 86.1 84.2–88.0 .09
  3.0–3.9 80.4%) 76.2–84.5 .11 84.0 80.3–87.7 .04
  4.0–5.0 65.1% 51.6–78.6 <.01 70.9 58.4–83.4 <.01
Gender
  Male 82.1% 80.6–83.7 .22 86.3 84.9–87.8 .23
  Female 84.2% 81.2–87.2 Reference 88.0 85.3–90.7 Reference
Age
  <40 years 85.4% 82.2–88.5 .02 88.8 86.2–91.5 .02
  40–59 years 81.3% 79.6–83.0 Reference 85.5 83.8–87.2 Reference
  60+ years 85.3% 82.4–88.2 .02 88.5 86.0–91.0 .03
Specialty
  Surgeon 84.2 81.7–86.7 Reference
  Medical oncologist 88.3 85.4–91.2 .04
  Radiation oncologist 91.8 88.1–95.5 <.01
  Other medical specialist 86.4 83.6–89.2 .26
International medical graduate
  Yes 83.7% 80.6–86.7 .47 87.3 84.6–90.0 .52
  No 82.4% 80.8–83.9 Reference 86.4 84.9–87.9 Reference
Board-certified
  Yes 83.1% 81.7–84.6 Reference 86.8 85.3–88.2 Reference
  No 78.4% 73.4–83.4 .07 83.3 78.9–87.7 .12
Teaching medical students/residents
  Yes 86.3% 84.3–88.3 Reference 88.9 87.3–90.6 Reference
  No 80.8% 79.1–82.6 <.01 84.3 82.3–86.3 <.01
Practice setting
  Hospital 85.3% 82.8–87.8 Reference 86.9 84.6–89.2 Reference
  Office
    Solo 78.7% 75.2–82.3 <.01 86.4 80.0–86.7 .09
    Single-specialty 85.2% 82.7–87.7 .95 87.9 85.6–90.1 .57
    Multi-specialty 84.1% 81.5–86.7 .51 87.2 84.4–89.9 .88
    Other 74.0% 65.7–82.3 .01 79.0 71.4–86.7 .049
  Community health center 84.1% 73.5–92.5 .65 86.0 77.7–94.3 .83
Government-owned practice
  Yes 84.1% 74.6–93.6 .75 88.1 80.5–95.7 .69
  No 82.6% 81.2–84.0 Reference 86.5 85.1–88.0 Reference
Practice size (# physicians)
  <20 82.7% 81.1–84.4 .79 86.6 85.0–88.1 .98
  20+ 82.2% 78.9–85.5 Reference 86.5 83.5–9.5 Reference
% patients in managed care plans
  <30% 84.1% 81.5–86.7 .20 87.4 85.1–89.7 .36
  30–89% 82.5% 80.5–84.5 .53 86.4 84.6–88.2 .67
  90–100% 81.2% 78.0–84.5 Reference 85.7 82.7–88.7 Reference
# medical record components always available
  0–3 75.8% 71.2–80.3 Reference 81.1 77.0–85.2 Reference
  4–6 83.6% 82.2–85.1 <.01 87.0 85.6–88.5 <.01
Income increase from referring patients
  Yes 95.2% 89.8–100.0 <.01 96.4 92.3–100.0 <.01
  No 82.5% 81.1–83.9 Reference 86.3 84.8–87.8 Reference
Data collection site
  Cancer Research Network—5 HMOs 83.3% 79.1–87.5 Reference 87.0 83.3–90.7 Reference
  Northern California—8 counties 84.0% 81.5–86.5 .78 87.4 85.2–89.7 .85
  State of Alabama 85.4% 82.1–88.8 .46 89.1 86.3–91.8 .39
  Los Angeles County 80.7% 78.1–83.4 .31 84.9 82.5–87.3 .31
  State of Iowa 81.6% 77.5–85.7 .56 86.0 82.4–89.5 .67
  State of North Carolina—22 counties 81.2% 77.4–85.1 .48 85.3 82.1–88.6 .49
a

Significance values obtained from multivariable logistic regression.

b

A higher barrier score reflects higher frequency of reporting barriers to specialist referral.