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Table 4 Quality of methods used to measure fidelity components

From: Measuring implementation fidelity of school-based obesity prevention programmes: a systematic review

Criterion Number of studies References
Adherence
 1. Model used for evaluation N = 9 [28, 30, 36, 46, 48, 51, 56, 60, 61, 77, 86, 87]
 2. Level of evaluation NA  
 3. Operationalisation fidelity component N = 15 [28, 29, 35,36,37,38, 46,47,48,49, 51, 56, 59,60,61, 69, 71, 72, 77, 87]
 4. Data collection methods N = 8 [29, 47,48,49, 60, 68, 70, 86, 90]
 5. Quantitative fidelity measures N = 13 [25, 28, 36,37,38, 46,47,48,49, 51, 56, 60, 68, 71, 72, 77, 81, 87]
 6. Frequency of data collection N = 22 [24, 28, 29, 32, 35,36,37,38, 44, 46, 48, 51, 56, 60, 61, 68,69,70,71,72, 77, 81, 85,86,87, 90]
 7. Relation fidelity component and programme outcome assessed N = 5 [25, 28, 29, 46, 56, 81]
Methodological qualitsy per fidelity component
 • Low (< 50%) N = 11 [24, 25, 30, 32, 35, 44, 59, 69, 70, 85, 90]
 • Moderate (50–75%) N = 11 [29, 36,37,38, 47, 49, 51, 61, 68, 71, 72, 77, 81, 86, 87]
 • High (> 75%) N = 4 [28, 46, 48, 56, 60]
Dose
 1. Model used for evaluation N = 14 [26, 28, 33, 36, 46, 48, 51, 52, 56,57,58, 60,61,62, 77, 80, 87, 91]
 2. Level of evaluation N = 2 [21, 51, 64, 77, 87]
 3. Operationalisation fidelity component N = 28 [21, 23, 27,28,29, 34,35,36, 38, 46, 48, 50,51,52, 56,57,58, 61, 62, 64, 66, 71,72,73, 75,76,77,78,79,80, 87, 89]
 4. Data collection methods N = 13 [21, 26, 33, 39, 43, 44, 48, 50, 52, 57, 58, 62, 64, 65, 89]
 5. Quantitative fidelity measures N = 23 [25, 26, 28, 33, 36, 38, 39, 45, 46, 48, 51, 52, 56, 58, 60, 63, 65, 68, 71,72,73,74,75, 77, 79, 80, 87, 91, 92]
 6. Frequency of data collection N = 34 [21, 23, 24, 26, 28, 29, 33, 35, 36, 38, 40, 41, 44, 46, 48, 51, 52, 56,57,58, 62,63,64,65,66,67,68, 71,72,73,74,75, 77, 78, 80, 83, 87, 89,90,91,92, 94]
 7. Relation fidelity component and programme outcome assessed N = 17 [25,26,27,28,29, 33, 40, 45, 46, 51, 56, 58, 67, 71,72,73,74, 77, 79, 87, 89, 91, 94]
Methodological quality per fidelity component
 • Low (< 50%) N = 34 [23,24,25, 27, 29, 31, 34, 35, 38,39,40,41, 43,44,45, 50, 54, 55, 60, 61, 63, 65,66,67,68, 70, 74,75,76, 78, 79, 82, 83, 90, 92, 93, 94]
 • Moderate (50–75%) N = 14 [21, 26, 28, 33, 36, 46, 48, 52, 56, 57, 62, 64, 71,72,73, 80, 89, 91]
 • High (> 75%) N = 2 [51, 58, 77, 87]
Quality of delivery
 1. Model used for evaluation N = 3 [28, 36, 57]
 2. Level of evaluation NA  
 3. Operationalisation fidelity component N = 5 [28, 36, 75, 81, 89]
 4. Data collection methods N = 1 [89]
 5. Quantitative fidelity measures N = 5 [36, 57, 63, 75, 81, 92]
 6. Frequency of data collection N = 6 [28, 32, 36, 75, 81, 89]
 7. Relation fidelity component and programme outcome assessed N = 2 [28, 81]
Methodological quality per fidelity component
 • Low (< 50%) N = 3 [32, 57, 63, 92]
 • Moderate (50–75%) N = 5 [28, 36, 75, 81, 89]
 • High (> 75%) N = 0  
Responsiveness
 1. Model used for evaluation N = 10 [28, 30, 46, 48, 51, 52, 56,57,58, 63, 77, 80, 87, 92]
 2. Level of evaluation N = 14 [28, 30, 32, 44, 51, 67, 69,70,71,72, 75, 77, 79, 84, 87,88,89]
 3. Operationalisation fidelity component N = 13 [28, 34, 35, 44, 46, 48, 51, 52, 56, 66, 75, 77, 79, 80, 87, 89]
 4. Data collection methods N = 5 [32, 35, 46, 56, 75, 89]
 5. Quantitative fidelity measures N = 23 [23, 25, 28, 38,39,40, 42, 46, 48, 52, 53, 56, 58, 63, 69, 71, 72, 74,75,76, 79,80,81, 83, 84, 92, 94]
 6. Frequency of data collection N = 14 [28, 32, 35, 46, 52, 56, 57, 66, 67, 74, 75, 80, 84, 88, 89]
 7. Relation fidelity component and programme outcome assessed N = 7 [25, 46, 56, 58, 67, 74, 79, 81]
Methodological quality per fidelity component
 • Low (< 50%) N = 29 [23, 25, 30, 32, 34, 35, 38,39,40, 42, 44, 48, 51, 53, 57, 58, 63, 66, 67, 69,70,71,72, 74, 76, 77, 81,82,83,84, 87, 88, 92, 94]
 • Moderate (50–75%) N = 6 [28, 52, 75, 79, 80, 89]
 • High (> 75%) N = 1 [46, 56]