Differences in prescribing before and during intervention in each arm (unadjusted)
| Variable | Study arm; timing; measure (95% CI) | |||||
|---|---|---|---|---|---|---|
| Intervention arm A | Intervention arm B | Control | ||||
| Baseline | Intervention period | Baseline | Intervention period | Baseline | Intervention period | |
| No. of consultations | 381 | 743 | 309 | 738 | 360 | 783 |
| First-line antimicrobial | ||||||
| % of prescriptions | 45.4 (40.4 to 50.4) | 68.2 (64.9 to 71.6) | 49.8 (44.2 to 55.4) | 66.5 (63.1 to 69.9) | 45.8 (40.7 to 51.0) | 44.1 (40.6 to 47.6) |
| Absolute difference* | 22.8 (16.6 to 29.0) | 16.7 (9.9 to 23.5) | −1.7 (−4.7 to 8.1) | |||
| Difference (v. control) | 24.5 (21.9 to 27.1) | 18.4 (16.0 to 20.8) | NA | |||
| Nitrofurantoin | ||||||
| % of prescriptions | 26.8 (22.3 to 31.2) | 64.3 (60.9 to 67.8) | 31.1 (25.9 to 36.3) | 63.8 (60.4 to 67.3) | 35.0 (30.1 to 40.0) | 35.9 (32.5 to 39.3) |
| Absolute difference* | 37.5 (31.7 to 43.3) | 32.7 (26.3 to 39.2) | 0.9 (−5.3 to 7.1) | |||
| Any antimicrobial | ||||||
| % of prescriptions | 63.3 (58.4 to 68.1) | 78.6 (75.6 to 81.6) | 69.9 (64.8 to 75.1) | 75.8 (72.7 to 78.8) | 68.6 (63.8 to 73.4) | 66.5 (63.2 to 68.9) |
| Absolute difference* | 15.3 (9.4 to 21.2) | 5.9 (−0.3 to 12.1) | −2.1 (−3.9 to 8.1) | |||
Note: CI = confidence interval.
↵* Intervention minus baseline.