Table 1. Characteristisc of primary care providers interviewed for knowledge, attitudes, and practices in antibiotic drug selection, United States* .

Characteristic	Physician, n = 27	NP or PA, n = 9
Sex
M	18	1
F	9	8
Race/ethnicity
White	18	9
Black	4	0
Asian	3	0
Hispanic	1	0
Other	1	0
Years in practice
<10	5	5
10–20	11	3
21–30	11	1
Medical specialty
Pediatrics	9	3
Family medicine	9	6
Internal medicine	9	0

*NP, nurse practitioner; PA, physician assistant.