Table 1.

The paper-based health information system before the implementation of electronic registry, the electronic registry in the control arm, and the electronic registry with digital health interventions in the intervention arm.

Health information system feature		Cadres	Before the trial	Control arm	Intervention arm
Health worker: all
	Access to own records	FWAa, HAb, CHCPc, FWVd	✓e	✓	✓
	Access to all records in the system	CHCP, FWV			✓
Health worker: community
	Digital client health records	FWA, HA		✓	✓
	Client identification (biometric and palm-based) and registration	FWA, HA		✓	✓
	Feedback dashboards	FWA, HA			✓
Health worker: facility
	Client identification (biometric and palm-based) and registration	CHCPf, FWV		✓	✓
	Digital client health records	CHCPf, FWV			✓
	Clinical decision support	CHCPf, FWV			✓
	Feedback dashboards	CHCPf, FWV			✓
Health worker: all
	Access to own records	FWA, HA, CHCP, FWV	✓	✓	✓
	Access to all records in the system	CHCP, FWV			✓
Clients
	Targeted Client Communication via SMS	Pregnant women			✓

^aFWA: family welfare assistant.

^bHA: health assistant.

^cCHCP: community health care provider.

^dFWV: family welfare visitor.

^eFeatures of the eRegistry with and without digital health intervention available in the intervention and control arms.

^fCommunity health care providers use the District Health Information Software 2 system for separate aggregate reporting, not linked to the electronic registry.