“…All studies except one were conducted in the US; the Centre of Social Health Services for Older Adults (COASH) program was conducted in Mexico [ 34 ]. Five of the studies were randomized controlled trials (RCT) or cluster-RCT (Let’s Walk!, Worth the Walk, Community of Voices (COV), BAILAMOS TM , and BAILA) [ 36 , 37 , 38 , 39 , 40 ]. Three studies had a pre-post quasi-experimental design (COASH, Abuelas en Acción (AEA), and Healthy Living Wellness Program (HLWP)) [ 9 , 15 , 34 , 35 ].…”