Table 3.
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 |
Significance values obtained from multivariable logistic regression.
A higher barrier score reflects higher frequency of reporting barriers to specialist referral.