The relative value of Pre-Implementation stages for successful implementation of evidence-informed programs

Table 3 Descriptive statistics for implementation process fidelity by implementation outcome status

		Stage 1	Stage 2	Stage 3	Phase 1	Phase 2^a
Implementation Status	N	Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)
Start-Up Status	1287	0.72 (0.37)	0.38 (0.45)	0.34 (0.42)	0.41 (0.39)
Discontinued	832	0.59 (0.39)	0.11 (0.26)	0.06 (0.16)	0.15 (0.18)
Achieved	455	0.97 (0.13)	0.89 (0.21)	0.85 (0.23)	0.88 (0.19)
Competence Status	1105	0.69 (0.38)	0.30 (0.41)	0.24 (0.38)	0.33 (0.36)	0.22 (0.38)
Discontinued	943	0.63 (0.39)	0.19 (0.35)	0.14 (0.28)	0.23 (0.28)	0.10 (0.26)
Achieved	162	0.99 (0.06)	0.89 (0.22)	0.87 (0.22)	0.89 (0.17)	0.91 (0.12)

Stage 1 = Engagement. Stage 2 = Consideration of Feasibility. Stage 3 = Readiness Planning. Phase 1 = Pre-Implementation. Phase 2 = Implementation
^aSites with a known end-status on the start-up outcome (i.e., they have either achieved start-up or discontinued) may still be ongoing during Phase 2. Since ongoing sites may go on to complete more activities during Phase 2 before achieving competence or discontinuing, the proportion scores for ongoing sites are skewed negative in a manner that misrepresents those sites’ ultimate Phase 2 implementation process fidelity. Therefore, Phase 2 proportion scores are only reported for the subset with a known end-status for achieving competency

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