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Table 2 Description of measures used to assess PA program implementation

From: The FLEX study school-based physical activity programs – measurement and evaluation of implementation

Process measures Implementation factor(s) measured 100 Mile Club Collected/conducted CHALK/Just Move Collected/Conducteda
Program surveys Teacher and champion (web-based survey link sent to all teachers & champions at each time point) Implementation and fidelity Dose delivered Reach Receptivity and sustainability Midpoint (Year 1), Post-Intervention (Year 2) Baseline: 6/7 schools Midpoint: 5/7 schools Post-intervention: 3/7 schools Midpoint (Year 1), Post-Intervention (Year 2) Baseline: 16/57 teachers/classrooms Midpoint: 6/23b teachers/classrooms Post-Intervention: 20/57 teachers/classrooms
Child surveys Conducted at post-intervention to assess participation and reception of program Receptivity Post-Intervention (Year 2) Post-intervention: 5/7 schools Post-Intervention (Year 2) Post-intervention: 6/6 schools
Accelerometry In-session physical activity measurement Dose received Physical activity measured by accelerometer; start and end time of session recorded by research staff 2 implementing schools Physical activity measured by accelerometer; start and end time of session(s) recorded by classroom teachers 2 implementing schools, 8 classrooms
Key informant interviews Conducted with champions and teachers after post-intervention Implementation and fidelity Receptivity and sustainability 20–30 min interviews conducted via telephone by research staff 4 champions 20–30 min interviews conducted via telephone by research staff 14 classroom teachers
  1. aCHALK/Just Move data are from all six randomized and implementing schools
  2. bOnly 4th grade teachers may have participated for two years and therefore were only ones asked to complete a survey at midpoint