Table 1.

Overview of data collection

Method	Sample selection	Sample size	Objective
1 Obstetric case record review	Quota sampling: 500 records/district; Facility quota proportionate to delivery case load at the facility based on deliveries in public facilities in the district; Systematic random sampling using delivery registers at facilities	Total: 1500	To determine extent of partograph use (adherence)
2 Vignette survey	All staff (qualified birth attendants) working as delivery room nurses at study facilities	233 (Nurse-midwives/ Auxiliary nurse-midwives)	To assess competence of staff in using partograph to monitor progress of labour (ability)
3 Semistructured interviews with providers	Purposive selection using maximum variation sampling	11 (Nurse-midwives and obstetricians)	To explore staff ‘buy in’ to policy of routine partograph use (responsiveness)