Table 5.
Themes, categories and transferability factors identified in content analysis of included checklists
| Theme | Subtheme | Category of criteria | Number of studies (N) |
|---|---|---|---|
| Population | Participant characteristics | 20 | |
| Characteristics of illness (description of condition and comorbidities, other risk for adverse effects) | 8 | ||
| The acceptability of the intervention to the participants | 4 | ||
| Source of referral (where patients/clients are referred from, e.g., specialist or general practice) | 2 | ||
| Participants’ preferences regarding the intervention | 2 | ||
| Participant need for/access to information about the intervention | 2 | ||
| Availability of personal support for participants | 1 | ||
| Participants’ exposure to other interventions or previous exposure to current intervention | 1 | ||
| Participant compliance | 1 | ||
| Participant satisfaction with the intervention | 1 | ||
| Intervention | Intervention characteristics | Intervention design (complexity and clarity) | 5 |
| Intervention theory | 4 | ||
| Category of intervention (policy, practice, program, guideline) | 2 | ||
| Name of the intervention | 1 | ||
| Intervention delivery | Can the intervention be tailored for different settings? | 5 | |
| How often/intensely was the intervention delivered? (Frequency/intensity) | 4 | ||
| In which settings was the intervention delivered? (physical setting, etc.) | 3 | ||
| How long the intervention was implemented? (duration) | 2 | ||
| What materials/manuals were used to deliver the intervention? | 2 | ||
| Standard procedures for the intervention in a real life setting? | 2 | ||
| Intervention delivery details (generally) | 1 | ||
| Who pays for the intervention? | 1 | ||
| Implementation context (immediate) | Service providers (individuals) | Skills of service providers | 8 |
| Training of service providers | 6 | ||
| Type of service provider | 5 | ||
| Service provider characteristics | 2 | ||
| Monitoring and supervision of service providers | 2 | ||
| Factors that affect motivation of service providers | 2 | ||
| Service provider compliance | 1 | ||
| Number of service providers | 1 | ||
| Implementing organization | Essential resources (e.g., financial, human, material resources for development, testing, implementation and recruiting) | 9 | |
| Culture of the implementing organization (e.g., missions, mandates, climate, readiness for implementation) | 6 | ||
| Size and structure of the implementing organization | 5 | ||
| Organizational policies (e.g., administrative, personnel, hierarchies) | 3 | ||
| Implementing organization—interagency working relationships | 2 | ||
| Implementing organization—financing methods | 1 | ||
| Implementing organization level or specialty of care | 1 | ||
| Motivation of implementing organization | 1 | ||
| Identification of implementing organization | 1 | ||
| Communication regarding implementation | 1 | ||
| Endorsement of the intervention | 1 | ||
| Ease of trial implementation (ability to do a small scale introduction of the intervention) | 1 | ||
| Is it feasible for the implementing organization to implement the intervention? | 7 | ||
| How does the intervention work over time (e.g., Evolution/sustainability of intervention) | 3 | ||
| Implementation fidelity (consistency of intervention delivery across staff and intervention components, consider process evaluations) | 5 | ||
| Support for implementing the intervention | 1 | ||
| Comparison intervention | Characteristics of usual services | 2 | |
| Quality of comparison intervention | 1 | ||
| Type of comparison condition | 1 | ||
| Skills of service providers for comparison condition | 1 | ||
| Duration of comparison condition | 1 | ||
| Interventions accompanying comparison condition | 1 | ||
| Procedures for implementing comparison intervention | 1 | ||
| Outcomes | Key outcomes are considered, including those that are important to the client/patient | 6 | |
| Adverse effects are considered | 4 | ||
| Costs associated with intervention | 3 | ||
| Details of follow-up period | 4 | ||
| Organizational/societal level outcomes | 3 | ||
| How are outcomes measured | 3 | ||
| Sensitivity analyses conducted | 2 | ||
| Consistency of findings | 1 | ||
| Surrogate outcomes are used | 2 | ||
| Environmental context | Temporal context (e.g., if the intervention has changed over time) | 2 | |
| Regulatory context (local regulation or legislature) | 2 | ||
| Political context (political acceptability) | 5 | ||
| Systems context (Health systems arrangements) | 6 | ||
| Community need (baseline prevalence/risk status) | 12 | ||
| Social acceptability at community level | 6 | ||
| Social context generally (including racial/ethnic issues) | 3 | ||
| Local professional/expert opinion | 1 | ||
| Alternative interventions offered at the same time | 4 | ||
| Co-interventions offered to/necessary for participants | 1 | ||
| Physical or geographic setting | 9 | ||
| Researcher conduct | Participation rate | 5 | |
| How participants were selected | 5 | ||
| Eligibility criteria of participants in a study | 4 | ||
| Length and details of the run-in period | 3 | ||
| How participants were recruited | 1 |