Intervention Utilization and Antibiotic Prescribing by Quartile of Intervention Utilization
| Control Practices | Lowest Quartile of Utilization (13)a | Second Quartile (13) | Third Quartile (13) | Highest Quartile of Utilization (13) | |
|---|---|---|---|---|---|
| Intervention utilization (per 1,000 consultations for RTI) | |||||
| Prompt views, median (IQR) | Not applicable | 0 (0–0) | 12 (7–18) | 63 (46–68) | 159 (104–166) |
| Leaflets printed, median (IQR) | Not applicable | 0 (0–0) | 6 (0–0) | 3 (2–4) | 25 (13–40) |
| RTI consultations with antibiotics prescribed, % (IQR) | |||||
| Before intervention | 52 (45–59) | 55 (49–61) | 53 (46–59) | 55 (51–63) | 50 (41–57) |
| After intervention | 52 (45–59) | 54 (46–63) | 54 (51–60) | 53 (52–61) | 48 (42–54) |
| Unadjusted mean difference, No. (95% Cl) | 0.7 (−0.6 to 2.0) | −1.2 (−5.1 to 2.8) | −1.0 (−2.9 to 0.9) | −1.4 (−3.9 to 1.0) | −1.6 (−5.0 to 1.7) |
| Adjusted test for trend across categories, No. (95% CI)b | −0.64 (−1.23 to −0.05),c P =.034 | ||||