Domain | Description[94] | Measure | Data source(s) |
---|---|---|---|
Reach | Degree to which target population is reached by study activities | 1. % Eligible population contacted 2. % Who respond to contact 3. % Who participate/are excluded 4. Representativeness of study sample to target population | 1-4. Study database 1–4. PHS EHR |
Efficacy | Improvement in study outcomes | 1. Change in weight and secondary outcome measures | 1. In-person measurement |
Adoption | Potential organizational uptake | 1. Patient intervention satisfaction | 1. Survey (12 mo) |
Implementation[95] | Degree to which intervention is implemented as intended | 1. Interventionist adherence to counseling protocol 2. Participant adherence to intervention | 1. Study database 1.Process measures including: supervisor review of coach call recordings, of # attempted and completed coach calls, of timing and accuracy of mailed materials 1. Patient survey (baseline, 6, 12 mo) 2. # attempted and completed coach and IVR calls 2. # participant YMCA visits |
Maintenance | Can program outcomes be sustained over time? | 1. Weight change at 18 months | 1. Patient survey (18 mo) 1.PHS EHR |
Cost | How much does intervention cost? | 1. Cost of staff time (coach and research staff) devoted to conducting intervention activities 2. Cost of intervention delivery: print materials, technology costs, YMCA memberships | 1. Study database 1. Staff time diaries 2. Financial statements |