Measurement of Perceived Social Support
The Multidimensional Scale of Perceived Social Support (MSPSS), developed by Zimet and included 12 items and 3 dimensions (friend support, family support, and important others support)22.The score of each item ranged from 1 to 7 points. The total score of the scale ranged from 12 to 84 points, which were divided into three levels. 12 to 36 points were low support, 37 to 60 points were intermediate support, and 61 to 84 points were high support.