“…For example, employees with a history of drug use usually react more negatively to AOD policies than those who have never used drugs (Paronto et al, 2002;Sujak, Villanova, & Daly, 1995;Truxillo, Normandy, & Bauer, 2001;Zinkiewicz, Davey, Obst, & Sheehan, 2000). As collecting accurate information on drug use is difficult due to confidentiality and social desirability, we focused on demographic variables that have been associated with drug use: Gender, work roles, and age.…”