The Effectiveness of Method on Maintenance Treatment on the Addicted Life Quality in the World

Abstract Objective: The aim of the present study was to assess the effectiveness of method on maintenance treatment of the addicted life quality through Meta - analysis method. Method: All of the data bases inside the country, and also, PUB MED, Scopus, ISI, Sid, Iran Medex, Google scholar, and Magiran researches which have investigated the life quality of the addicted both before and after method on treatment, have entered into the research without any time limits. Findings: In 12 studies with 1591 subjects which have investigated life quality both before and after method on treatment, the mean value of the standardized effect in 9 studies which have been done by WHO index, was 58/0 (44/0 – 72/0 with the certainty range of 95%) which was statistically significant (p= 0.000). The mean value of the standardized effect for each continent in combination with all of the studies having the effect value of 77 (58 -95 and certainty range of 95%) was significant. Results: The findings of the research showed that the method on maintenance treatment has been effective on the life quality of the addicted