Table 1 Overview of the study data sources

Primary data

SUPER research team

Interviews and focus groups

Purveyor trainers and program specialists

Preparation

Implementation

1,2,4,5

Donor agency staff

Exploration

Preparation

Implementation

Sustainment

1,2,4

Local, regional and national policymakers

Exploration

Preparation

Implementation

Sustainment

1,2,4

Other local stakeholders

Exploration

Preparation

Implementation

Sustainment

1,2,3,4

Interviews and focus groups

Program coordinators, directors

Exploration

Preparation

Implementation

Sustainment

1,2,3,4,5

Monitoring and evaluation team of the implementing organization

Implementation

Sustainment

2,3,4,5

PLH facilitators, coaches, trainers

Preparation

Implementation

Sustainment

2,3,4

Surveys on organizational characteristics

Program coordinators, directors

Implementation

Sustainment

1,2,4

Budgets, surveys, interviews on costs/resources for delivery

Program coordinators, directors

Implementation

Sustainment

5

Primary and secondary data

SUPER research team, implementers, purveyors

Document review of other background materials

Implementing organization, local area

Exploration

Preparation

Implementation

Sustainment

1,2,3,4,5

Secondary data

Implementers (usually collected by program facilitators and other research teams)

Family reports of parenting practices, child behavior, child and caregiver mental health

Families participating in the PLH programs

Implementation

Sustainment

3

Implementers (usually collected by program facilitators)

Family enrolment, attendance, engagement, and dropout

Implementation

Sustainment

2,3

Purveyors

Surveys on the sociodemographic and professional background of staff delivering the program

Facilitators, coaches

Implementation

Sustainment

2

Assessments of competent adherence to the program

Implementation

Sustainment

2

Program documentation, reports

All

Preparation

Implementation

1,2,3,4,5