Table 1.

Data sources and grouping for analysis

Factor grouping	Data (analytic categories)		Data source
Maternal factors	Maternal knowledge	Use of iron tablets during pregnancy (completed 90 days: yes/no)	Interview with mother
		Knew whether pregnancy was high risk (able to name high risk conditions: yes/no)
		Knew danger signs of pregnancy and delivery (able to name one sign such as bleeding, convulsions, fever, etc.: yes/no)
		Informed of estimated date of delivery (informed/not informed)
		Knew danger signs of newborn (able to name one sign such as fever, convulsions, diarrhoea, difficulty breathing: yes/no)
	Maternal health during pregnancy	Any illness during pregnancy? (yes/no)	Interview with mother
		Any complications during pregnancy? (e.g. bleeding, pre-eclampsia, CPD: yes/no)	Antenatal record
		Any complications during delivery? (yes/no)	Health centre/delivery record
	Maternal characteristics	Age at marriage, age at pregnancy	ANC record
		History of previous pregnancies, including previous abortions	ANC record+interview
		Haemoglobin during pregnancy	ANC record
		Risk status during pregnancy	ANC record+interview
Delivery	Location	Home/healthcare facility	Record+interview
	Assistance at delivery	Assisted by TBA/nurse/midwife or doctor	Record+interview
Neonatal	Characteristics	Gender, birthweight	Record
	Complications	Complications at delivery	Record
	Health problem	Problem requiring visit to healthcare provider	Interview
	Apgar score	Where available	Record
	Practices	Early initiation breastfeeding, kangaroo method of care	Record
Variables outside health service	Geography	Distance and time of travel from village to puskesmas (>20 km/<20 km, >60 minutes travel/<60 minutes)	Interview with mother
	Education	Highest educational level of mother and father (graduated primary school: yes/no)	Interview with mother
	Economic status	Condition of house, access to electricity, monthly income	Interview with mother

CPD, cephalopelvic disproportion; ANC, antenatal care.