Table 1.

Data collection tools

Tool	Data
Enrolment questionnaire	Demographic information, obstetric history, displacement status, infant information, place of birth (facility or home)
Maternal child health (MCH) centre referral log	Referral date and hour, the reason for referral, referral completion status
Hospital referral log	Admission date and time, reasons for admission, maternal outcome, newborn outcome, length of stay at hospital, discharge/death date and hour
In-depth interview guide: maternal and newborn referrals	Demographic information, birth history of newborn, reasons why they sought care at the MCH centre, their experience receiving care at the MCH centre, the decision-making process to comply or not with the referral advice by the provider, the referral process from the MCH centre to the public hospital, their experience receiving care at the hospital (if the referral was completed) and any postdischarge reflections on the referral process
In-depth interview guide: healthcare workers	Healthcare worker’s qualifications, providers’ experience caring for small or sick newborns, referring small or sick newborns, and recommendations about the referral process