Educational attainment in reading, writing and mathematics at Key Stage 1: data from (1) DfE and (2) schools, with parental consent and direct from parents
| Anonymous data from DfE | Data from schools/parents | |||||||
|---|---|---|---|---|---|---|---|---|
| Erythromycin | No erythromycin | Co-amoxiclav | No co-amoxiclav | Erythromycin | No erythromycin | Co-amoxiclav | No co-amoxiclav | |
| 1641 | 1598 | 1608 | 1631 | 963 | 936 | 918 | 981 | |
| Numbers (%) failing to achieve level 2 or higher | ||||||||
| Reading | 377 (23.0%) | 367 (23.0%) | 366 (22.8%) | 378 (23.2%) | 165 (17.1%) | 153 (16.3%) | 142 (15.5%) | 176 (17.9%) |
| 1.00 (0.85 to 1.18) | 0.98 (0.83 to 1.15) | 1.06 (0.83 to 1.35) | 0.84 (0.66 to 1.06) | |||||
| Writing | 413 (25.2%) | 413 (25.8%) | 395 (24.6%) | 431 (26.4%) | 188 (19.5%) | 178 (19.0%) | 168 (18.3%) | 198 (20.2%) |
| 0.97 (0.83 to 1.13) | 0.91 (0.77 to 1.06) | 1.04 (0.82 to 1.30) | 0.88 (0.70 to 1.11) | |||||
| Maths | 239 (14.6%) | 225 (14.1%) | 230 (14.3%) | 224 (13.7%) | 95 (9.9%) | 82 (8.8%) | 79 (8.6%) | 98 (10.0%) |
| 1.04 (0.85 to 1.26) | 1.00 (0.82 to 1.21) | 1.14 (0.83 to 1.55) | 0.84 (0.62 to 1.15) | |||||
Mantel-Haenszel ORs (95% CIs)