“…The sample size of the included studies ranged from 122 [37] to 41,220 participants [31]. Social support level was assessed by using various social support indicators such as social network size [30, 47, 48, 52–54], social engagment, connection, and integration [24, 30, 32, 37, 47, 54], emotional support [2, 44, 48, 49], financial support [44, 52, 53] and instrumental support [36], or by adapting certain scales [18, 31, 34, 35, 40–43, 45, 51, 55].…”