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RE-AIM.org
> Resources > Coding
Definitions – Reach
Coding Definitions for Literature Review of Reporting
on RE-AIM Elements
REACH (Individual Level) — participation
rate among a known population (France et al., in press)
- Reported (Yes/No)
- Rate = Study Participants/Target Population
- External Population — the population from which you sample.
External population is later screened for targeted characteristics
(e.g., screen general population of children for childhood asthmatics
OR screen population of childhood asthmatics for those with smoking
parents).
- Target Population — the group to which you wish to generalize.
Usually described in terms of age, race, sex, risk factor profile
and/or disease status.
- Recruited Population — the portion of the target population
that was reached (contacted) and responded to recruiting efforts
- Reported (Yes/No)
- Rate = # Recruited Population/# Target Population
- Eligible Population — the portion of the recruited population
that fit inclusion/exclusion criteria or criteria defined for
study feasibility (e.g., literacy level, stage of change, availability
for follow-up, telephone availability). In clinical trials, the
eligible population is often focused on increasing the efficacy
of study results.
- Reported (Yes/No)
- Rate = # Eligible Population/# Recruited Population
- Reported (Yes/No)
- List in order of contribution to inclusion
- Exclusion Criteria List
- Reported (Yes/No)
- List in order of contribution to exclusion
- Study Population — the portion of the eligible population
agreeing to participate in the study and accept randomization
to condition.
- Reported (Yes/No)
- Rate = # Study Population/# Recruited Population
- Participant Characteristics
- Reported (Yes/No)
- List in order of relationship to participation
- Non Participant Characteristics
- Reported (Yes/No)
- List in order of relationship to participation
- Study Participants — those who complete baseline assessment
or who begin intervention. This group would be defined as the
intent-to-treat analysis group.
- Reported (Yes/No)
- Reach Rate = # Study Population/# Target Population
- Baseline Participant Characteristics
- Reported (Yes/No)
- List in order of contribution to rate
- Baseline Non Participant Characteristics
- Reported (Yes/No)
- List in order of contribution to rate
EFFICACY/EFFECTIVENESS
(Individual level)
ADOPTION
(Setting Level)
ADOPTION
(Delivery Agent, Health Educator, Counselor Level)
IMPLEMENTATION (Setting
Level)
MAINTENANCE (Setting & Individual
Level)
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Communication — process in which
participants create and share information with one another in order to
reach a mutual understanding (Rogers, 1995).
Diffusion — the process by which
an innovation is communicated through certain channels over time among
the members of a social system (Rogers, 1995).
Communication Channel — the means
by which messages get from one individual to another: Mass media channels,
interpersonal channels (Rogers, 1995).
Innovation — an idea, practice,
or object that is perceived as new by an individual or other unit of
adoption (Rogers, 1995).
Technology — a design for instrumental
action that reduces the uncertainty in the cause-effect relationships
involved in achieving a desired outcome (Rogers, 1995). A technology
has two components: (1) a hardware aspect, consisting of the tool that
embodies the technology as a material or physical object, and (2) a software
aspect,
consisting of the information base for the tool.
Behavior Setting — the setting is
a physical and social environment or place where behavior occurs.
Ecological Environment — the ecological
environment is conceived as a set of nested structures, each inside each
other like a set of Russian dolls (Brofenbrenner, 1977; Lewin, 1917,
1931, 1935). The microsystem represents a pattern of social interaction
in a given face-to-face setting with particular physical, social and
symbolic features that invite, permit, or inhibit engagement in sustained,
progressively more complex interaction with, and activity in, the immediate
environment. Examples include domains such as family, school, peer group,
and work place. The linkage of two or more Microsystems or places containing
the developing person is defined as the mesosystem. The linkage of two
or more settings, where at least one does not contain the developing
system, is referred to as the exosystem. Macrosystems refer to the overarching
pattern of micro-, meso-, and exosystem characteristics.
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