Table 2 Overview of outcomes and time point of data collection

ASSESSMENTS

 Primary outcomes

  Dietary diversity (2 24-hour recalls + 1 FFQ)

I

X

X

X

X

X

X

C

X

X

X

X

X

X

  Lower limb muscle strength (Senior Fitness Test)^a

I

X

X

C

X

X

 Secondary outcomes effectiveness evaluation

  Physical fitness (upper body strength, aerobic endurance, flexibility, dynamic balance) (Senior Fitness Test)^a

I

X

X

C

X

X

  Static balance

I

X

X

X

C

X

X

X

  Number of steps during one week (pedometer)

I

X

C

  Self-reported global level of physical activity (QAPPA questionnaire)

I

X

X

X

C

X

X

X

  Frequency of consumption of 11 food families and of water/hot drinks (2 24-hour recalls + 1 FFQ)

I

X

X

X

X

X

X

C

X

X

X

X

X

X

  Quality of life (SF-12) + Feeling of loneliness (item from the FRAGIRE grid)

I

X

X

X

C

X

X

X

 Secondary outcomes process evaluation

  Fidelity, dose, reach of the intervention (attendance lists, information sheets completed by the local organizations, dieticians and APA professionals after each session)

I

X

X

X

X

X

X

X

  Fidelity, dose of the intervention (questionnaire on self-reported exercises in daily activities, participation in post-session activities between participants)

I

X

X

  Mechanisms of the intervention (questionnaire on beliefs, attitudes, intention towards physical activity)

I

X

X

X

 Cost-effectiveness evaluation

  Costs

I

X

X

X

X

X

X

X

X

C

X

X

X

X

X

X

X

X