Table 1.

Primary care physicians’ characteristics and practice environments, 2006–2007

	Unweighted n	Weighted %
Physician characteristics
Years since graduation from medical school:
<10	136	14.0
10–19	309	32.7
20–29	288	30.5
≥30	229	22.8
Gender:
Male	680	70.4
Female	282	29.6
Race/ethnicity:
Non-Hispanic white	698	71.9
Non-Hispanic black	32	3.6
Hispanic	46	5.2
Asian	149	15.3
Othera	37	4.0
Specialty:
Family medicine	481	50.7
General practice	66	4.4
General internal medicine	415	45.0
Board certified:
Yes	745	79.5
No	217	20.5
International medical graduate:
Yes	236	24.4
No	726	75.6
Practice setting and patient characteristics
Primary practice arrangement:
Full/part owner of physician practice	521	53.8
Employee of physician-owned practice	93	9.5
Employee of large medical group, HMO, or healthcare system	162	17.6
Employee of university hospital/clinic	45	4.6
Employee of other hospital/clinic	110	11.3
Other/missing	31	3.2
Practice size (# physicians):
1	256	26.4
2–5	400	41.7
6–15	198	20.7
≥16	102	10.6
Geographic location:
Urbanb	762	80.2
Large rural city/townc	108	10.7
Small/isolated small rural townd	92	9.1
Census region:
Northeast	184	19.9
Midwest	253	23.9
West	205	22.9
South	320	33.3
Type of medical record system used:
Full EMR	177	18.7
Partial EMR	89	9.5
Transitioning from paper to EMR	144	15.2
Paper charts	545	55.9
% patients uninsured:
0–5	564	59.5
6–25	291	29.6
≥26	68	6.8
Don’t know/missing	39	4.0
% patients with Medicaid:
0–5	392	41.2
6–25	337	34.2
26–50	122	12.8
>50	63	6.5
Don’t know/missing	48	5.2
Physician Practice Style
Has an affiliation with a medical school:
Yes	316	33.8
No	641	65.7
Patient volume during a typical week:
≤75	316	32.7
76–100	303	31.7
101–125	202	21.3
≥126	126	12.8
# patients who have asked about lung cancer screening in past 12 months:
0	293	30.3
1–5	253	26.2
6–10	174	18.4
11–20	119	12.5
>20	108	11.1
Unknown	15	1.5
Colorectal cancer screening intensity:
Low/Moderate	605	62.8
High	322	33.9
Unknown	35	3.4

Data source: National Survey of Primary Care Physicians’ Recommendations and Practices for Breast, Cervical, Colorectal, and Lung Cancer Screening

^aIncludes American Indian/Alaska Native, Native Hawaiian/Other Pacific Islander, multiple races, other race, and unknown.

^bRural Urban Commuting Area (RUCA) 2 codes 1.0, 1.1, 2.0, 2.1, 3.0, 4.1, 7.1

^cRUCA2 codes 4.0, 4.2, 5.0, 5.2, 6.0

^dRUCA2 codes 7.0, 7.2, 7.3, 7.4, 8.0, 8.2, 8.3, 9.0, 9.1, 10.0, 10.2, 10.4, 10.5, 10.6