Table 3 Data sources and audit methods

Birth practices performed by birth attendant during deliveries

Direct observation of deliveries with data entry into paper-based checklist by facility-based observers

Simultaneous observation by supervisor

100% accuracy on three consecutive simultaneous observations of each of four observation points (OPs); first 4 weeks after hire

100% accuracy on three consecutive simultaneous observations at each OP (OP1, OP2, OP3, OP4); every 3 months

Observation checklist of birth attendant practices

Data entry of paper-based delivery observation data into electronic data-entry app by facility-based observers

Double data entry by supervisors

100% accuracy on two sets of 10 sequentially entered forms; first 4 weeks after hire

100% accuracy on one set of 10 sequentially entered forms; every 3 months

Facility registers

Extraction of patient data from paper-based facility registers into paper-based study register by facility-based data collectors

Cross verification of extracted data with facility-based register data by supervisors

No intensive phase

100% accuracy on a consecutive set of 10 patients’ extracted register information; monthly

Study register

Data entry of patient data from paper-based study register to electronic data entry app by facility-based data collectors

Double data entry by supervisors

No intensive phase

100% accuracy on a consecutive set of 10 patients’ register information; monthly

Patient-reported outcomes

Call center staff contact patients to assess maternal and neonatal mortality and seven maternal morbidities using standardized data collection tool

Recorded call review and double data entry into electronic data entry app by supervisor

100% accuracy on four sets of 10 sequentially reviewed calls; first 4 weeks after hire

100% accuracy on four sets of 10 sequentially reviewed calls; every 3 months