Table 1

Sample characteristics for each component of the study

Study componentSampling strategyParticipant characteristicsEstimated number
(per country)
Key informant interviews (KIIs)Purposive sampling
We will identify well-positioned individuals based on institutional affiliation and professional position through both publicly available information and professional networks
Example titles
Executive director, head of department, reproductive and maternal health officer, researcher, epidemiologist, health information system officer, medical coordinator, data manager
Total: 20–30
We anticipate conducting 5–10 KIIs in each capital city and 5–10 KIIs in each additional in-country location
Facility assessmentsPurposive sampling
In consultation with local stakeholders, we will identify primary and tertiary facilities that are run by different organisations in different displacement locations
Facility types
We will assess two primary care facilities and one tertiary care facility in each field-site within the country
Total: 3–9
Observation sessionsPurposive sampling
In consultation with local stakeholders and staff at the facilities included in the facility assessment, we will select a subset for the observation sessions
Facility types
We will conduct observation sessions in at least two primary care and one tertiary care facilities
Total: At least 3
Focus group discussions (FGDs)Convenience sampling
We will arrange to hold FGDs at a subset of facilities included in the facility assessment. We will include those front-line staff who are working and available that day
FGD participant characteristics
Front-line staff at each facility included in facility assessment
Total: 3–9 FGDs
We anticipate including 5–10 participants in each group for a total of 15–90 participants