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Table 4 Fidelity components and moderating factors identifieda (n = 65)

From: Comparison of registered and published intervention fidelity assessment in cluster randomised trials of public health interventions in low- and middle-income countries: systematic review

Trial Protocol

Fidelity components

Studies

Study ID

(n)

(%)

 Content

34

52.3

[43–76]

 Coverage

13

20

[43, 44, 50, 53, 57, 62, 64, 69, 73–75, 77, 78]

 Frequency

12

18.5

[43–45, 49, 50, 52, 57–59, 62, 70, 73]

 Duration

4

6.2

[50, 63, 70, 73]

Trial Report

Fidelity components

Studies

Study ID

(n)

(%)

 Content

60

92.3

[43–60, 62–69, 71, 73–105]

 Coverage

34

52.3

[43–48, 50, 52, 53, 57–59, 62–64, 66, 68, 71–75, 77, 80, 84, 85, 90, 93, 94, 97, 98, 101, 103, 105]

 Frequency

33

50.8

[43–45, 48–50, 52, 57–59, 62, 63, 65, 68–70, 72–74, 78, 80–82, 84, 85, 90, 94, 99, 100, 101, 104–106]

 Duration

9

13.8

[43, 47, 50, 52, 53, 68, 101, 106, 107]

Protocol & Trial

Moderating factors

Studies

Study ID

(n)

(%)

 Comprehensiveness of intervention description

20

30.8

[43, 48, 50, 52, 55, 59, 62, 63, 66–70, 73, 74, 79, 87, 90, 96, 106]

 Strategies to facilitate implementation

60

92.3

[43–74, 76–85, 88–93, 95–102, 104–107]

 Quality of delivery

22

33.8

[43–45, 52, 53, 59, 62–64, 66, 67, 70, 71, 73, 80, 85, 89, 91, 96, 100, 102, 106]

 Participant responsiveness

37

56.9

[46, 48, 49, 50–53, 55, 57, 58, 62, 64–66, 69, 72–75, 78–81, 84, 87–91, 94, 96, 97, 99, 102, 104, 106, 107]

 Recruitment

5

7.7

[48, 52, 73, 80, 81]

 Context

8

12.3

[45, 52, 65, 66, 69, 89, 94, 106]

  1. aWith methods proposed or used to assess key fidelity components and moderating factors