Table 4

Factors associated with antibiotic prescription for acute upper respiratory infections*

CharacteristicsAntibiotic prescription, n (%)Unadjusted OR (95% CI)Adjusted OR (95% CI)
Patient age
 0944 413 (50.4)1.66 (1.64 to 1.69)1.48 (1.46 to 1.50)
 101920 822 (65.1)3.08 (3.00 to 3.15)2.75 (2.69 to 2.82)
 206485 952 (54.6)1.98 (1.95 to 2.00)1.92 (1.89 to 1.94)
 ≥651 21 289 (37.9)11
Patient sex
 Male1 12 643 (47.4)1.13 (1.12 to 1.14)1.10 (1.08 to 1.11)
 Female1 55 038 (44.4)11
Facility scale
 Free-standing clinic2 33 078 (49.8)4.48 (4.27 to 4.70)4.24 (4.03 to 4.45)
 Hospital (<200 beds)-based clinic23 012 (30.8)2.01 (1.91 to 2.11)2.07 (1.97 to 2.18)
 Hospital (200499 beds)-based clinic9327 (28.2)1.77 (1.68 to 1.89)1.71 (1.62 to 1.80)
 Hospital (≥500 beds)-based clinic2064 (18.2)11
  • *Acute upper respiratory infections include viral upper respiratory infections, pharyngitis, bronchitis and sinusitis.