Table 3

Proportion of Consultations for Different Types of Respiratory Tract Infection With Antibiotic Prescribed

Infection TypeIntervention Trial ArmControl Trial ArmAdjusted Mean Differencea (95% CI)P Value
Before Mean (Range)After Mean (Range)Before Mean (Range)After Mean (Range)
Cough and bronchitis47 (36–59)45 (37–52)46 (38–55)47 (38–55)−2.49 (−4.83 to −0.15).030
Colds37 (21–48)36 (22–46)38 (27–50)38 (30–49)−1.05 (−4.28 to 2.18).519
Otitis media59 (45–73)56 (43–67)60 (48–72)57 (47–71)−1.54 (−6.85 to 3.77).566
Rhinosinusitis89 (82–95)89 (83–92)88 (86–94)86 (82–93)1.07 (−1.26 to 3.41).362
Sore throat58 (51–65)57 (50–64)57 (50–67)57 (48–66)−1.59 (−4.27 to 1.09).242
  • Note: Figures are mean (interquartile range) of family practice-specific values for 12 months before and after the intervention, except where indicated.

  • a Difference between intervention and control trial arms after intervention, adjusting for preintervention value, as well as mean age and proportion of women at each practice.