“…Early substance use precedes or is associated with sexual initiation in adolescent males (Capaldi, Kerr, Owen, & Tiberio, 2017;Doran & Waldron, 2017;Epstein et al, 2014;Floyd & Latimer, 2010) and females (Cavazos-Rehg et al, 2012;Dillon et al, 2010;Doran & Waldron, 2017;Epstein et al, 2014;Floyd & Latimer, 2010) as well as African American (Kaplan et al, 2013;McGuire, Wang & Zhang, 2012;Turner, Latkin, Sonenstein, & Tandon, 2011) and Latino youth (Dillon et al, 2010;Kaplan et al, 2013). Numbers of sexual partners increases as alcohol (Epstein et al, 2014;Green et al, 2017;Oshri et al, 2014;Riggs et al, 2013;Vasilenko & Lanza, 2014), marijuana (Cavazos-Rehg et al, 2011;Floyd & Latimer, 2010;Green et al, 2017;Oshri et al, 2014) or smoking (Cavazos-Rehg et al, 2011;Demissie et al, 2017;McGuire, Wang & Zhang, 2012;Vasilenko & Lanza, 2014) use increases. However, alcohol use was not associated with number of sexual partners among a national representative sample of youth (Floyd & Latimer, 2010).…”