Table 1.

Participant groups in key informant interviews and focus group discussions and topics covered

Methods	Topics
Key informant interviews participants
Senior officials from UNICEF, micronutrient initiative, RiPPLE1, EOC2, and Addis Ababa University	Description of intervention, successes and main challenges, roles and responsibilities, perception of sustainability
Kebele managers/administrators	Roles and responsibilities in the project, perceptions of sustainability, acceptability, and support of the project by the community
Health extension workers	Description of Grain Bank project modalities, management features of the project, perceptions of sustainability, determinants of success, collaboration and coordination of activities, integration, coverage, adhesion and consumption, acceptability
Woreda and kebele health workers	Integration with health services, roles and responsibilities, coverage, adherence and consumption, perception of sustainability Collaboration with Health Development Army and health extension workers
Agriculture workers/development agents	Integration between agriculture interventions and the Grain Bank project, perception of sustainability
Women's group (Health Development Army) leader/representative	Experiences with processes of preparing, distributing complementary food, decision‐making, quality assurance, perceptions of sustainability, barriers and enablers to participation
Junior nutrition officer/NGO coordinator	Description of Grain Bank project modalities, management features of the project, perceptions of sustainability, determinants of success, collaboration and coordination of activities, integration, coverage, adhesion and consumption, acceptability
Focus group discussions participants
Caregivers/mothers of children 6–23 months	Acceptability and preferences, barriers and enablers of the Grain Bank project
Influencers: fathers	Community involvement and support to caregivers for the intervention, opinions on the Grain Bank project
Women's group/Health Development Army; women's affairs representative	Community involvement and support, roles and responsibilities in the programme, opinions on the Grain Bank project
Review of project documents	Tranche and annual project reports, coverage data

Note. RiPPLE = Research‐inspired Policy and Practice Learning in Ethiopia; EOC = Ethiopian Orthodox Church; UNICEF = United Nations International Children's Emergency Fund; NGO = non‐governmental organizations.

¹ Local implementing NGO in SNNPR and Oromia.

² Local implementing NGO in Amhara and Tigray.