Methods
opioid abuse
This randomized trial study was conducted in 2021 on 72 patients with opioid abuse under methadone maintenance treatment at the Center for Addiction Harm Reduction in Isfahan. The samples were randomly allocated into intervention (n=36) and control groups (n=36) based on the table of random numbers by computer. The intervention was conducted by implementing Roy's adaptation model in the intervention group. To analyze the data, paired t-test, independent sample t-test, chi-square test, and analysis of covariance were used.