“…The two studies which assessed two different outcomes were both rated as high quality, for a total of 13 separate high quality outcomes. Of high-quality studies, four examined time engaged (Conus et al, 2010;Schimmelman, Conus, Schacht, McGorry, & Lambert, 2006;Stowkowy et al, 2012;Ucok et al, 2007), six examined attendance (categorical) (Adelufosi, Ogunwale, Adeponle, & Abayomi, 2013;Adeponle, Thombs, Adelekan, & Kirmayer, 2009;Carrion, Swann, Keller-Cecil, & Barber, 1993;Sparr, Moffitt, & Ward, 1993;Stowkowy et al, 2012;Svettini et al, 1998), and three examined dropout (Kurtz, Rose, & Wexler, 2011;Turner, Smith-Hamel, & Mulder, 2007;Ucok et al, 2007).…”