Table 3.

Secondary outcomes, data sources and definitions.

Secondary outcome	Sources of data	Measurement sequence	Definition	Intervention subcomponents with assumed direct effect
Timely first ANCa visit	Case records from the eRegistryb Postpartum household survey	Registrations continuously at point of care Household visit after the completion of pregnancy	Proportion of women that have an ANC visit at or before 16 weeks among those with a home pregnancy registration before 16 weeks	Targeted Client Communication via SMS text message: ANC appointment reminders
High-risk women successfully referred to a skilled provider for additional care	Case records from the eRegistry Postpartum household survey	Registrations continuously at point of care Household visit after the completion of pregnancy	Proportion of women that received additional care during pregnancy among those that are referred for severe anemia, or hypertension or diabetes during pregnancy	Health worker clinical decision support Targeted client communication via SMS: Referral reminders, high risk, facility delivery reminders
Facility delivery among those advised to deliver in a facility	Case records in the eRegistry Postpartum household survey	Registrations continuously at point of care Household visit after completion of pregnancy	Proportion of women that deliver in a facility among those that should delivery in a facility based on certain risk factors identified during ANC	Health worker clinical decision support Targeted client communication via SMS text message: high risk, facility delivery reminders
Births with severe morbidity or mortality among all women and among those with any risk identified	Case records in the eRegistry Postpartum household survey	Registrations continuously at point of care Household visit after completion of pregnancy	Proportion with a very preterm birth, very low birth weight, perinatal death, or hospitalization of the newborn for at least 7 days after birth among all women enrolled in the trial, and those with any identified risk during ANC	Health worker clinical decision support Targeted client communication via SMS text message: referral reminders
Severe postpartum anemia	Postpartum household survey	Household visit after the completion of pregnancy	Proportion of women with severe anemia in postpartum	Health worker clinical decision support Targeted client communication via SMS text message: referral reminders

^aANC: antenatal care.

^beRegistry: electronic registry.