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Table 3 Data sources and audit methods

From: Implementation and results of an integrated data quality assurance protocol in a randomized controlled trial in Uttar Pradesh, India

Data source Data collection process Audit process Intensive phase target and duration Monitoring phase target and frequency
Accuracy of observation of birth attendant practices
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
Accuracy of data entry
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
Accuracy of patient-reported outcomes
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