Table 1 Parameters used to determine the sample size for the second study objective
Variables | CI (%) | Power (%) | Ratio (unexposed: exposed) | % outcome in unexposed grp | Odds ratio | Deff | Sample size |
|---|---|---|---|---|---|---|---|
ANC follow up | 95 | 80 | 1 | 24 | 2 | 1.5 | 507 |
Postnatal care | 95 | 80 | 1 | 67 | 2 | 1.5 | 564 |
Birth preparedness | 95 | 80 | 1 | 28 | 2 | 1.5 | 471 |