The study examined 91 male pathological gamblers recruited from the treatment center of industrial evangelistic fellowship ( ief ) . the mean age of the group was 40 years and the average gambling history was 22 years 是次研究对象为91名参与本港工业福音团契问题赌徒复康中心之的男性,其年龄平均值为四十岁,而平均已参与赌博活动二十二年。