“…From overlapping papers, Selten et al (2001) was selected instead of Veling et al (2006) and Kirkbride et al (2008) instead of Coid et al (2008). f Eight studies that reported an effect size adjusted for age and sex, as well as an effect size adjusted for age, sex and SES (Selten, 2001;Leao et al, 2006;Weiser et al, 2008;Kirkbride et al, 2008;Bansal et al, 2014;Hollander et al, 2016;Manhica et al, 2016;Kirkbride et al, 2017aKirkbride et al, , 2017b plus two studies that reported an effect size adjusted for age, sex and SES (Barghadouch et al, 2016;Markkula et al, 2017). g Derived from the above eight studies that reported an effect size adjusted for age and sex, and an effect size adjusted for age, sex and SES.…”