“…Study designs included four (4) qualitative studies (Koester et al, 2014; McLeod et al, 2020; Nunn et al, 2010; Thomas et al, 2019), fourteen (14) randomised control trials (Clayton et al, 2013; Farabee et al, 2016; Gordon et al, 2018; Khawcharoenporn et al, 2019; Kuo et al, 2019; Lamberti et al, 2017; Leukefeld et al, 2012; MacGowan et al, 2015; Needels et al, 2005; Newbury‐Birch et al, 2014; Nyamathi et al, 2017; Reznick et al, 2013; Wang et al, 2012; Zaller et al, 2008) and one (1) single‐arm trial (Akiyama et al, 2019), fourteen (14) cohort or survey studies (Ball et al, 2013; Costa et al, 2018; Fox, Anderson, Bartlett, Valverde, MacDonald, et al, 2014; Fox, Anderson, Bartlett, Valverde, Starrels, & Cunningham, 2014; Hartwell & Orr, 1999; Hawks et al, 2016; Henry‐Akintobi et al, 2016; Jacob Arriola et al, 2007; Matheson et al, 2011; Morse et al, 2017; Rasch et al, 2013; Shavit et al, 2017; Wang et al, 2019; Wiersema et al, 2020), two (2) pilot or feasibility studies (Binswanger et al, 2015; Johnson et al, 2014) and one (1) using mixed qualitative and quantitative methods (Windsor et al, 2014). Sample sizes varied from 13 to 1410 participants.…”