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Table 2 Implementation outcomes measured in the trial

From: Protocol for a parallel cluster randomized trial of a participatory tailored approach to reduce overuse of antibiotics at hospital discharge: the ROAD home trial

Outcome

Definition

Role in analysis

Referent

Data source and measurement

Timing and frequency

Unit of analysis

Unit of observation

Acceptability

The perception among implementation stakeholders that a given treatment, service, practice, or innovation is agreeable, palatable, or satisfactory.

Independent variable

Selected stewardship interventions

ROAD Home Strategy

Survey – acceptability of intervention measure; qualitative interviews

Post-intervention

Once

Organization

Individual implementation leads

Feasibility

The extent to which a new treatment, or innovation, can be successfully used or carried out within a given agency or setting.

Independent variable

Selected stewardship interventions

Survey – feasibility of intervention measure; qualitative interviews

Post-intervention

Once

Unit of analysis: organization

Unit of observation: individual implementation leads

Fidelity

The degree to which an intervention was implemented as it was prescribed in the original protocol or as it was intended by the program developers.

Dependent variable

Selected stewardship interventions

ROAD Home Strategy

Observations; document analysis; qualitative interviews

Pre-intervention intervention post-intervention

Ongoing

Unit of analysis: organization

Unit of observation: individual implementation leads

Sustainment

The extent to which a newly implemented treatment is maintained or institutionalized within a service setting’s ongoing, stable operations.

Dependent variable

Selected stewardship interventions

Survey: qualitative interviews; medical record review

Post-intervention

Twice – end of intervention (survey, interview, medical record review) and 12 months post-intervention (survey, record review)

Unit of analysis: organization

Unit of observation: individual implementation leads