“…Thirteen studies reported on the participant perceived facilitators and barriers of lifestyle change when taking part in community-based lifestyle intervention programs [ 34 , 36 – 40 , 46 – 51 , 53 ], while seven studies reported on the participants perceived facilitators and barriers of lifestyle change through consultations with health care providers (no intervention involved) [ 35 , 41 – 45 , 52 ]. Thirteen studies [ 35 – 37 , 39 , 41 , 45 – 50 , 52 , 53 ] reported on the barriers and facilitators of lifestyle change and behavioural change maintenance, addressing both exercise and diet (participants exposed to an lifestyle intervention in nine studies, whereas no intervention in four studies), four studies [ 38 , 40 , 42 , 43 ] reported on exercise only (participants exposed to an lifestyle intervention in two studies, whereas no intervention in two), and three studies [ 34 , 44 , 51 ] reported on diet only (participants exposed to an lifestyle intervention in two studies, whereas no intervention in one).…”