OPEN MINDS The Behavioral Health & Social Service Industry Analyst Industry News A survey of 201 randomly selected employee assistance programs (EAPs) by Human Interaction Research Institute (HIRI) indicated that EAPs found cocaine abusers the most difficult to reach among drug-abusing employees. Just over one-third of those interviewed cited cocaine abusers as the most difficult, followed by marijuana abusers (12%). Heroin abusers ranked third (6%) and prescription drug abusers, fourth (5%). That heroin users were considered to be relatively less difficult to reach by EAPs does not . . .