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Table 2 Predictors of broad-spectrum* antibiotic choice among pediatric visits with an antibiotic prescription in United States physician's offices, hospital outpatient departments, and emergency departments, 1998–2004

From: Trends in broad-spectrum antibiotic prescribing for children with acute otitis media in the United States, 1998–2004

Characteristic

Proportion of Visits (%)

(N = 6878)

Visits with a Broad-Spectrum Antibiotic Prescription (%)†

Adjusted OR (95% CI) of Broad-Spectrum Antibiotic Prescription

Calendar year, per 1 y

100

--

1.07 (1.05 – 1.10)

Sex

   

   Female

47

46

1.00

   Male

53

54

1.02 (0.92 – 1.12)

Age

   

   < 2 years

49

48

1.00

   ≥ 2 years

51

52

1.05 (0.94 – 1.18)

Race

   

   White

73

78

1.00

   Non-White

27

22

0.65 (0.58 – 0.73)

Insurance

   

   Private

43

47

1.00

   Medicaid/Medicare

43

41

0.85 (0.76 – 0.95)

   Self-pay & Other

14

12

0.76 (0.65 – 0.89)

Physician Specialty‡

   

   Pediatrics

60

59

1.00

   Family Practice

37

37

1.07 (0.91 – 1.24)

   Otolaryngology

3

4

1.47 (0.96 – 2.25)

Setting

   

   Physician Office

17

22

1.00

   Hospital Clinic

29

29

0.77 (0.66 – 0.90)

   Emergency Department

54

49

0.61 (0.53 – 0.71)

Region

   

   West

20

16

1.00

   South

26

41

2.27 (1.97 – 2.62)

   Midwest

33

25

1.38 (1.19 – 1.60)

   Northeast

21

18

1.15 (0.98 – 1.35)

Fever

   

   No

62

63

1.00

   Yes

38

37

0.96 (0.86 – 1.07)

Ear Pain

   

   No

68

70

1.00

   Yes

32

30

0.83 (0.73 – 0.94)

  1. Abbreviations: CI, confidence interval; OR, odds ratio.
  2. *Broad-spectrum antibiotics: amoxicillin/clavulanate, macrolides, cephalosporins and quinolones.
  3. †As a percentage of the total number of patients prescribed an antibiotic.
  4. ‡Physician office and hospital outpatient department settings only (N = 3168).