“…Eighteen studies were RCTs (22–39) and three were quasi-experimental designs (40–42). Ten studies were conducted in North America (23, 25, 27, 32, 33, 35, 37, 39–41), nine studies conducted in Europe (22, 24, 26, 28–31, 34, 38), and two studies in Australia (36, 42). About half of the included studies’ interventions focused on physical activity (22, 24, 26, 28–34, 36, 38, 41) while others on self-management of T2DM.…”