Table 2.

Antibiotic prescribing for acute rhinosinusitis in ENT and primary care clinics.

	% of Weighted Visits with Antibiotic Prescribed	Unadjusted P Value	Adjusted Odds Ratio (95% CI), P Value
Provider specialty
Otolaryngology (ENT)	54.8		1 [Reference]
Family medicine	81.9	<.001	3.94 (2.02–7.72), <.001
Internal medicine	85.4	.002	6.88 (2.47–19.17), <.001
General medicine OPD	89.9	<.001	7.88 (3.49–17.76), <.001
Age category, y
18–39	87.8		1 [Reference]
40–64	81.2	.06	0.63 (0.95–1.14), .13
≥65	71	.008	0.35 (0.15–0.82), .02
Sex
Female	81.2
Male	84.6	.37
Race
White	82
Black	84.4	.74
Other	84	.88
Ethnicity
Hispanic or Latino	90.4
Not Hispanic or Latino	81.2	.14
Geographic region
Northeast	76.4
Midwest	82.3	.45
South	83.6	.42
West	81.1	.65
No. of chronic diseases
0	84.3		1 [Reference]
1–2	82.3	.67	0.81 (0.39–1.68), .6
≥3	73.9	.14	0.54 (0.22–1.34), .18
Median household incomea
Unknown	26.1
Quartile 1 (below $32,793)	11.2	.091
Quartile 2 ($32,794–$40,626)	19.1	.45
Quartile 3 ($40,627–$52,387)	15.8	.24
Quartile 4 ($52,388 or more)	20	.51
Expected source of payment
Blank/unknown	16.6
Private insurance	16.4	.98
Medicare	25.5	.42
Medicaid/SCHIP	17.2	.96
Worker’s compensation	0	.62
Self-pay	16.2	.97
No charge/charity	0	.48
Other	24.4	.67

Abbreviations: OPD, hospital-based outpatient department; SCHIP, State Children’s Health Insurance Program.

^aIn patient’s zip code.