RE-AIM factor | Definition | Example measures (method) |
Reach | Absolute number, proportion and representativeness of individuals who participate in the intervention | Percentage of people over 65 years who are referred for occupational therapy assessment on hospital discharge (records) Comparison of demographic and medical history of those who are and are not referred (analysis of routinely collected data) |
Efficacy | Impact on important outcomes including potential negative effects, quality of life and costs | Percentage of people who actually receive an assessment (records) Percentage of those for whom a home and/or behavioural modification is recommended who actually make this change (survey of sample) Impact on daily function for those who make a change (survey of sample) Tracking of costs of intervention delivery (records) |
Adoption | Proportion and representativeness of settings that adopt the intervention | Proportion of relevant staff aware of the policy and making the referrals (survey of staff) Proportion of hospital wards that conduct routine referral (survey of all hospital wards) Comparison of wards that do and do not conduct routine referral (analysis of routinely collected data) Barriers to adoption (key informant interviews) |
Implementation | Extent to which programme is delivered as intended | Extent to which occupational therapists use standardised assessment tool (survey) Length of time between discharge and assessment (records) |
Maintenance | Extent to which intervention becomes part of routine organisational practice Long-term effects on outcomes six or more months after the most recent intervention contact | Proportion of hospital wards continuing to refer routinely (survey of hospital wards 6 months after policy implemented) Barriers to ongoing routine referral (key informant interviews) Extent to which older people reverse the home modifications, and behavioural modifications are maintained (survey 6 months after assessment) |
↵* Exact measures depend on the nature and target of each intervention.