Comparison of participants with at least one follow-up completed (n = 176) to those who did not complete at least one follow-up (n = 33).

N.S. = Not significant, p>.05.aPGSI is the problem gambling severity index. Only participants with scores of 3 or more, indicating current hazardous gambling were included in the attrition analyses.N.S. 代表无统计学显著性（Not significant），p值大于0.05。aPGSI为问题赌博严重程度指数（problem gambling severity index）。仅纳入得分≥3分（提示当前存在危害性行为赌博）的参与者开展脱落分析（attrition analyses）。