Outcomes of interest, estimated prevalence and precision (95% CI width) by sample size*
| Outcomes | Estimated prevalence | 2500 | 3500 | 4500 |
| Stillbirth24 | 2.0% | 0.6% | 0.5% | 0.4% |
| Neonatal death (28 days)5 | 3.0% | 0.7% | 0.6% | 0.5% |
| Preterm birth | 12.0% | 1.3% | 1.1% | 0.9% |
| Diarrhoea†26 | 20.0% | 1.6% | 1.3% | 1.2% |
*Precision calculated using exact distribution for <5% prevalence and Wald distribution for ≥5% prevalence.
†Estimated 2-week point prevalence for children under 2 years old.