“…The attendance rates for the experimental groups, where indicated, varied from 61% [ 47 ] to 96% [ 65 ]. The following non-exercise control groups were used by the included trials: no treatment/normal lifestyle/activities of daily living [ 48 , 51 , 52 , 55 , 57 , 62 , 63 , 64 , 66 , 69 , 72 , 75 , 76 , 78 , 79 , 80 ], wait-list [ 47 , 58 , 67 , 70 , 71 , 77 , 81 ], usual/standard care [ 53 , 54 , 60 , 68 ], health education [ 50 , 56 , 59 , 61 ], series of guidelines [ 45 , 46 ], monthly lunch/seminars [ 49 ], telephone calls [ 65 ], newspaper reading group [ 73 ], socialization group [ 74 ]. More detailed information is shown in Table S1 .…”