- (1) adult patients who do not understand English; (2) prisoners; (3) adults classified by medical staff as "Level 1 trauma"; (4) adults deemed unable to provide informed consent as stated above (e.g., intoxication, mental incompetence); (5) patients treated in the ED for suicide attempts and sexual assaults; (6) patients who have been in treatment for substance abuse in the past six months; (7) patients who are triaged to psychiatric emergency services; and (8) patients who report injecting heroin or other opiates in the past year.