Methods: A total of 197 participants were selected from Nov. 2011 to Jan. 2012 to accomplish a set of questionnaires,
including SAS, K-scale, modified Kimberly Young Internet addiction test (Y-scale), visual analogue scale (VAS), and substance
dependence and abuse diagnosis of DSM-IV. There were 64 males and 133 females, with ages ranging from 18 to 53 years
(M = 26.06; SD = 5.96). Factor analysis, internal-consistency test, t-test, ANOVA, and correlation analysis were conducted to
verify the reliability and validity of SAS