Erythromycin and co-amoxiclav HRs (95% CI) from the adjusted log-linear models for aggregate KS2 levels*
| PROM | SPL | |||
|---|---|---|---|---|
| Erythromycin | Co-amoxiclav | Erythromycin | Co-amoxiclav | |
| English | ||||
| CC | 1.00 (0.96 to 1.05) | 1.03 (0.99 to 1.08) | 0.97 (0.92 to 1.03) | 1.01 (0.95 to 1.06) |
| <10% | 1.00 (0.96 to 1.03) | 1.02 (0.98 to 1.06) | 0.98 (0.95 to 1.02) | 1.01 (0.98 to 1.05) |
| Mathematics | ||||
| CC | 0.98 (0.94 to 1.03) | 1.02 (0.97 to 1.07) | 0.99 (0.95 to 1.03) | 1.00 (0.96 to 1.05) |
| <10% | 0.98 (0.95 to 1.02) | 1.00 (0.96 to 1.04) | 0.99 (0.95 to 1.02) | 1.01 (0.97 to 1.05) |
| Science | ||||
| CC | 1.00 (0.95 to 1.05) | 1.02 (0.97 to 1.07) | 0.98 (0.93 to 1.04) | 1.01 (0.96 to 1.07) |
| <10% | 1.00 (0.95 to 1.04) | 1.01 (0.97 to 1.06) | 0.99 (0.94 to 1.04) | 1.02 (0.97 to 1.07) |
*See supplemental table 2 for details of covariates used (with <10% missing data).
<10%, <10% missing data; CC, complete case analysis; KS2, Key Stage 2; PROM, preterm rupture of membranes; SPL, spontaneous labour with intact membranes.