Table 2 Summary of round 3 Likert scale ratings of considerations

Intervention design

Adaptations and tailoring

8.28

1.88

9.0

0–10

8–9

Site selection and context

8.32

2.00

9.0

0–10

8–10

Stakeholder engagement and co-production

7.82

2.69

9.0

0–10

6–10

Theory usage

7.56

2.42

8.5

0–10

5–9

Well-defined problem and aims

8.46

2.00

9.0

0–10

8–10

Study design

Iteration and intervention refinement

8.52

1.58

9.0

3–10

8–10

Progression criteria

7.86

2.60

9.0

0–10

7–10

Randomization and control groups

8.38

2.27

9.0

2–10

8–10

Scale-up

8.14

2.22

9.0

0–10

7–10

Conduct of trial

Measurement and data collection

8.76

1.46

9.0

4–10

8–10

Recruitment

8.70

2.04

9.0

0–10

8–10

Retention

8.82

1.75

10.0

2–10

8–10

Implementation of intervention

Acceptability

8.62

1.48

9.0

5–10

8–10

Fidelity

8.72

1.80

9.0

2–10

9–10

Cost and resources

8.10

1.85

8.0

3–10

7–10

Statistical analysis

Sample size

7.88

2.37

9.0

0–10

7–10

Preliminary impact

7.60

2.56

8.0

0–10

7–10

Reporting

Pre-registration and protocol publishing

8.78

1.75

10.0

3–10

8–10

Study labeling

8.50

2.56

10.0

3–10

9–10

Framework and guideline usage

8.58

1.98

9.0

2–10

8–10