Table 1

Description of sample and practice (n=573)

Variable	N or mean	% or SD
Specialty
Family medicine	407	71.0
Paediatrics	147	25.7
Other*	18	3.1
Missing	1	0.2
Age (n=425)†	50.88	11.8
Race
White	340	59.3
Asian	57	9.9
Black/African-American	18	3.1
Other	17	3.0
Missing	141	24.6
Hispanic ethnicity	65	11.3
Religion
Christianity Protestant	184	32.1
Christianity Catholic	88	15.4
No religion	50	8.7
Christianity other	43	7.5
Prefer not to answer	23	4.0
Judaism	13	2.3
Islam	8	1.4
Hinduism	7	1.2
Buddhism	5	0.90
Other	4	0.7
Missing	143	25.0
Main clinical practice setting
Independent small solo or group practice (<10 physicians)	201	35.1
Employed by health system	131	22.9
Independent large group practice (>10 physicians)	76	13.3
Academic teaching clinic	62	10.8
Other/NA	42	7.3
Federally qualified health centre or community health centre	35	6.1
Urgent care	17	3.0
Veterans Affairs or other military services	4	0.7
Health department	1	0.2
Number of physicians in practice where employed
Solo practice	129	22.5
2–3	129	22.5
4–10	188	32.8
>10	122	21.3
Missing	5	0.9
Geographic location of primary practice
Suburban	253	44.2
Urban	218	38.1
Rural	90	15.7
Other/unknown/missing	12	2.1
Most common type of payor for practice
Private insurance (includes Tricare)	291	50.8
Medicare	95	16.6
Medicaid/CHIP	93	16.2
Uninsured/charity/self-pay	41	7.2
Other/don’t know/not applicable/missing	38	6.6
Number of patients seen per week in practice
Less than 25	53	9.3
25–49	108	18.8
50–100	325	56.7
Other/NA/missing	87	15.2

*The individuals who identified as ‘other’ specialty were members of the Texas Academy of Family Physicians and the Texas Paediatric Society but did not identify primarily as family medicine or paediatric physicians.
†Mean and SD.