“…Studies published before 2009 were collected from our previous narrative review of the literature (Woolf-King & Maisto, 2011), and were supplemented by a more recent search of electronic databases to update the review through 2010. Of the 20 studies included in Fisher and colleagues' meta-analysis, 19 were retained for inclusion in the present study (Ao, Sam, Masenga, Seage, & Kapiga, 2006;Ayisi et al, 2000;Braddick et al, 1990;Demissie, Amre, & Tsega, 1996;Fritz et al, 2002;Hargreaves et al, 2002;Kapiga, Lyamuya, Lwihula, & Hunter, 1998;Kapiga et al, 2002;Kapiga et al, 2006;Lewis et al, 2005;Mbulaiteye et al, 2000;Mnyika, Klepp, Kvåle, & Ole-King'ori, 1996;Ndina-Achola et al, 1997;Sebit et al, 2003;Simbayi et al, 2004;Talbot et al, 2002;Tengia-Kessey, Msamanga, & Moshino, 1998;Zablotska et al, 2006;Zuma, Gouws, Williams, & Lurie, 2003) and one (Gilgen, Williams, & Campbell, 2000) was excluded for failing to meet the inclusion criteria specified below (i.e., it was not published in a peer-reviewed journal).…”