“…The majority of the outcomes analyzed included demand and utilization of health services [ 5 , 15 , 18 – 24 , 30 , 33 , 37 – 40 , 43 – 45 , 47 – 51 , 55 , 56 , 58 , 60 , 62 – 65 , 68 – 71 , 75 , 84 , 86 ] and health services costs and expenditures, optimality and efficiency of strategies [ 5 , 15 , 30 – 32 , 36 , 37 , 39 , 41 – 44 , 53 , 54 , 57 , 59 , 68 , 70 , 73 – 76 , 83 , 85 , 87 , 94 ]. Limited studies have addressed other important aspects such as access to low-income people [ 49 , 60 , 68 ], reduction in the consumption of both essential (such as preventive and diagnostic services) and non-essential services [ 24 , 44 , 58 ], and people’s attitudes and acceptance [ 25 , 34 , 52 , 67 ].…”