Skip to main content

Table 2 Conceptual model of levels in implementation research illustrated in CFIR and EPIS frameworks

From: Eight characteristics of rigorous multilevel implementation research: a step-by-step guide

CFIR / EPIS

Level name

Definition

Examples

Outer setting  /  Outer Context

Countrya

A nation with its own government, occupying a specific territory (Oxford languages dictionary)

Denmark, USA, Honduras

Health systemb

An organization that includes at least one hospital and at least one group of physicians that provide comprehensive care (including primary and specialty care) who are connected with each other and with the hospital through common ownership or joint management (U.S. Agency for Healthcare Research and Quality’s Compendium of US Health Systems, 2016)

National Health System (UK), Kaiser Permanente (USA)

Regionc

An area, administrative district, or division of a country with definable characteristics or boundaries

District, county, parish, province, state

Locality

An area or neighborhood that constitutes a subdivision of a larger social or political entity

Neighborhood, city, town, census tract

Inner setting / Inner context

Organization/agency

A group of people arranged within a formal legal structure (e.g., for-profit or not-for-profit) for the specific purpose of delivering healthcare. Exercises authority over departments/wards, clinics/practice sites, program/units, clinical teams, and/or providers

Hospital network; multistate organization delivering mental health services

Department/ward

A subdivision of an organization with a specialized purpose, capacity, or workgroup(s)

Oncology unit within a hospital

Clinic/practice/site

A single, specific, geographically distinct location in which, or from which, providers deliver health-related or behavior change interventions to a target population or populations. Serves as the operational center of programs/units, clinical teams, and/or providers

Primary care practice, outpatient mental health clinic, school

Program/unit

A group of providers or clinical teams that deliver a specific, clearly defined health-related or behavior change intervention to a target patient population; programs are sub-units of higher-level entities such as clinics or organizations

Pediatric oncology ward in a children’s hospital

Individuals involved /    Individual characteristics

Clinical team

One or more providers (including dyads) who directly co-deliver, or coordinate or share responsibility for delivery of, a health-related or behavior change intervention to a patient or patient population

Assertive Community Treatment team, Multisystemic Therapy team

Provider

A single individual who delivers a health-related or behavior change intervention to the target patient

Clinician, prescriber, home visitor, peer-to-peer specialist, volunteer

Patientd

The individual, or smallest group of individuals, targeted by the clinical intervention or policy to be implemented

Child with depression, adult experiencing HIV, family group

Process / timing within EPIS Phases

Observation/time

A single, specific point in time at which an implementation-relevant measurement is taken for either research or clinical purposes

Baseline status, posttreatment status, 3-month follow-up status

  1. CFIR Consolidated Framework for Implementation Research [20]; EPIS  Exploration, Preparation, Implementation, Sustainment Framework [21]
  2. aFrom a geopolitical and social standpoint, we acknowledge this list is not exhaustive; investigators should refine this framework for their unique implementation context. For example, there are levels that could be specified beyond “country.” We terminated our framework here because most implementation research questions limit their unit of analysis to nations or lower-level geopolitical units due to the significant influence of national governments on health and health policy; however, we acknowledge these categories are not exhaustive, and we encourage researchers to modify this framework as needed
  3. bWe note that health systems may span a single or multiple localities, regions, or nations
  4. cDepending on the nature of the study, the level of region may need to be subdivided into smaller units, such as census tracts nested within counties, nested within states, and nested within subregions
  5. dWe note that the patient level may pertain to an individual, dyad, or family group, depending on the nature of the clinical intervention or policy under study. We also note that potential sublevels embedded within the patient level may need to be accounted for depending on the study design. For example, multiple children receiving care may be embedded within a single family