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Linear regression of scores of documenting fidelity to the implementation strategy by year of publication
| Fidelity domain | Mean (SD) | β coefficient | R 2 | p value |
|---|---|---|---|---|
| Adherence | 0.93 (0.94) | −0.04 | 0.09 | 0.006 |
| Dose | 0.71 (0.88) | −0.03 | 0.09 | 0.013 |
| Participant response | 0.97 (0.93) | −0.05 | 0.14 | 0.001 |
| All domains | 2.61 (2.26) | −0.12 | 0.16 | < 0.001 |
SD standard deviation
