Characteristics of Studies Included
The studies selected for inclusion in the meta-analysis included a total of 16 effect sizes and 2,271 participants. The mean age of the participants ranged from 12 to 37 years. The countries where studies were conductedincludedAustralia,Canada,Greece,Scotland,and the United States. The occupation of participants included students, mental health institution workers, and generalcommunitymembers.Thestudieswerepublished 2002–2009.