“…Participants in our cohort study were followed across seven waves of data collection between 2009 and 2014, as they emerged into adulthood from ages 18–19 to 21–22. This period of emerging adulthood is often associated with high levels of experimentation both in terms of drug use and sex (Arnett, 2005; Makarios, Cullen, & Piquero, 2015; Quinn & Harden, 2013; Steinberg, 2008; Stone, Becker, Huber, & Catalano, 2012; White et al, 2006), which may set the bases for lifelong behavioral patterns (Chassin, Flora, & King, 2004; Wagner & Anthony, 2002). …”