摘要：AbstractThe aim of this research was to compare the effectiveness of harm reduction programs on reduce crimes of addicts inside the Drop In Center (DIC) in Karaj city. The sample of 120 people was selected randomly for study in this center; the ones referri ng DIC have been examined through informative questionnaires. The statistical population includes people was chosen through random sampling method. In the next step, the subjects assigned in two groups, first group was as an experimental group including 60 subjects that measured the effective of independent variable (harm reduction intervention) and the second also consisted 60 subjects, as a control group. Data wags analysis using Chisqu are (P<0/0001) in SPSS software. Finding showed that among 120 participations, 62 subjects committed the crime. That 13 people of them were in trained group and 49 people of them were in untrained group. The result of Chi-square (n2= 40/879, p<0/0001) indicated the rate of crime in trained group significantly was less than untrained group. Because of some reasons, these centers (DIC) can be as a good way to reduce occurrence of crimes among drug users. In addition, the services that offered in these centers such as: sterile needles, hot meals and free visits and counseling, can rectify some needs of these people, which this act can lead to reduce of crime in these people.
