Table 3.
Comparison of the main antibiotic prescribing outcomes in intervention and control clinics by condition
| Outcome | Control | Intervention | Unadjusted GEE Estimate | Adjusted GEE Estimatea | |||
|---|---|---|---|---|---|---|---|
| OR (95% CIb) | p | OR (95% CI) | p | ||||
| URI | N | 287 | 185 | ||||
| Total Antibiotic Prescriptions | 22 (7.7%) | 24 (13.0%) | 1.68 (1.4, 2.02) | <0.0001 | 1.63 (1.2, 2.23) | <0.01 | |
| Delayed Antibiotic Prescriptions | 10 (45.5%) | 13 (56.5%) | 0.8 (0.13, 4.96) | 0.81 | 0.94 (0.2, 4.46) | 0.94 | |
| Prescription Duration Longer than 7 daysc | 6 (27.3%) | 6 (27.3%) | 1.72 (1.04, 2.83) | 0.03 | 1.32 (0.11, 16.5) | 0.83 | |
| Sinusitis | N | 140 | 133 | ||||
| Total Antibiotic Prescriptions | 88 (62.9%) | 94 (70.7%) | 1.24 (1.04, 1.48) | 0.02 | 1.45 (0.82, 2.57) | 0.2 | |
| Delayed Antibiotic Prescriptions | 13 (14.8%) | 23 (24.7%) | 2.17 (1.3, 3.61) | <0.01 | -d | ||
| Prescription Duration Longer than 7 daysc | 57 (64.8%) | 43 (45.7%) | 0.43 (0.21, 0.89) | 0.02 | - | ||
| Sore Throatc | N | 91 | 81 | ||||
| Total Antibiotic Prescriptions | 52 (57.1%) | 36 (44.4%) | 1.0 (0.26, 3.89) | 0.99 | -d | ||
| Delayed Antibiotic Prescriptions | 6 (11.5%) | 6 (16.7%) | 1.98 (0.37, 10.5) | 0.42 | - | ||
| Bronchitis | N | 126 | 49 | ||||
| Total Antibiotic Prescriptions | 71 (56.3%) | 15 (30.6%) | 0.35 (0.27, 0.46) | <0.0001 | 0.52 (0.19, 1.39) | 0.19 | |
| Delayed Antibiotic Prescriptions | 3 (4.3%) | 4 (28.6%) | 4.59 (0.45, 47.1) | 0.2 | 8.48 (0.21, 338) | 0.26 | |
| Prescription Duration Longer than 7 days | 13 (18.3%) | 3 (20.0%) | 0.69 (0.08, 5.98) | 0.73 | 0.46 (0.29, 0.73) | <0.001 | |
| Cystitis | N | 119 | 161 | ||||
| Total Antibiotic Prescriptions | 92 (77.3%) | 128 (79.5%) | 1.12 (0.71, 1.79) | 0.62 | 0.96 (0.6, 1.55) | 0.87 | |
| Delayed Antibiotic Prescriptions | 6 (6.5%) | 19 (14.8%) | 3.68 (2.48, 5.47) | <0.0001 | 1.59 (1.08, 2.35) | 0.02 | |
| Prescription Duration Longer than 7 days3 | 4 (4.3%) | 3 (2.4%) | |||||
aadjusted for age, sex, afterhours visit, and baseline prescribing rate, except for cystitis which involved females only b 95% confidence interval; cSore throat cases excluded from duration analyses as 10 days recommended;d Some analyses unable to be conducted due to too few cases during baseline period; eAnalyses excluded due to too few cases