Quasiexperimental study design to evaluate the impact of MWHs in rural Zambia
| Randomised subsample (n=20 clusters) | Non-randomised subsample (n=20 clusters) | Non-randomised full sample (n=40 clusters) |
| R O1 X O2 | NR O1 X O2 | NR O1 X O2 |
| R O1 _ O2 | NR O1 _ O2 | NR O1 _ O2 |
MWH, maternity waiting home; NR, not randomised; O, observations at baseline (O1, in 2016) and endline (O2, in 2018) at intervention (X) and comparison (_) sites; R, cluster randomised; X, minimum core maternity home (see above).