Table 1 Measurement of the implementation of the group-based Mi-LiFE intervention in primary care for older adults aged 75 years or older using the RE-AIM framework and evaluation dimensions

Reach

Proportion of the target population that participated in intervention

• Number of participants recruited over 6 months—including data on eligibility and interest in program

Individual

Potential effectiveness

Effect of the intervention on specific individual outcomes

Primary outcome:

Individual

• Change in moderate-to-vigorous physical activity levels (min/day) measured from pre- to post-intervention

Secondary outcomes:

• Change in self-reported physical activity levels (min/week) measured from pre- to post-intervention

• Change in composite SPPB score measured from pre- to post-intervention

• Change in EQ5D-3L five dimensions and VAS QOL score measured from pre- to post-intervention

Adoption

Proportion of settings, practices, and plans that will adopt this intervention

• Number of physician or nurse referrals from each of the five pods within the family health team

Organization

Implementation

Extent to which the intervention is implemented as intended in the real world

• Fidelity to original clinical trial by Clemson et al. [1]

Organization

• Barriers and facilitators reported by research staff, clinical team or participants during implementation

Maintenance

Extent to which a program is sustained over time

• Retention at 6-month follow-up

Individual^a

• Adherence to the exercises at 6-month follow-up