Table 3.

Data collection activities in each stage of the study

Stages	Outcome	Data collection activities	Instrument	Variable	Participant
Diagnostic stage
Determine local context of existing IPCP in maternal referral services for pregnancy with heart diseases	Policy factors Organizational factors Team factors Individual factors	Medical record review (obstetric cases in 2017)	Collecting document form	Existing referral system and IPCP	Medical record
		In-depth interviews and Focus group discussions (FGDs)	Interview and FGD guideline Audio recording	Contributing factor in IPCP implementation	Heads of obstetrics and gynaecology, and cardiology Person in charge (PIC) of maternal referral from each health care facility. Patients
Planning stage
ICPs development	Agreed ICPs	Review of source	–		Principal investigator
		Consensus: Delphi method	JEFFSATIC PINCOM-Q Modified McMaster Ottawa Scale Audio recording	Attitude and Perception of IPCP on developing ICPs	Senior community obstetrician and cardiologist. The liaison officers The representatives of municipality health office. The representatives of the BPJS Senior health professionals
Implementation stage
IPCP implementation	Description of IPCP implementation using ICPs	One day training of ICPs and IPCP implementation	IPCP quiz JEFFSATIC PINCOM-Q Audio-visual recording	Participant responses	All health professionals, representative from the municipality health office, co-researchers and consultant who contribute in designing the model
		Medical record review Observation	Modified McMaster Ottawa Scale	Collaborative Communication Share leadership conflict resolution Team functioning Role and responsibility	All health professionals who use the ICPs
Evaluating stage
Evaluation and improvement of IPCPs implementation	ICPs refinement	In-depth interview	Audio recording. Interview and FGD guideline	Implementation outcome: Acceptability Appropriateness Adoption Feasibility Implementation cost	All health professionals, co-researchers and patient/family who employ the ICP in patient management
		FGDs