“…Six of them (Table 1) described and/or evaluated specific prevention interventions (Busch, de Leeuw, & Schrijvers, 2013; de Leeuw, de Bruijn, de Weert-van Oene, & Schrijvers, 2010; Korkmaz & Kiran-Esen, 2012; Shek, Ma, & Sun, 2011; Turel, Mouttapa, & Donato, 2015; Walther, Hanewinkel, & Morgenstern, 2014). For the purpose of the study, were extracted data relevant to these areas: (a) country in which were data collected, (b) key characteristics of the participants (sample size and segment of the population assessed), (c) intervention characteristic, (d) risk of bias in individual studies, and (e) methodological features (objectives, assessment methods, type of study, and design).…”