Effectiveness of a drug-free detention treatment program in a Dutch prison

Several Dutch penitentiaries, which have relatively severe drug-use related problems, experimented with drug-free detention treatment programs (DVA). These programs aim at controlling drug use by offering a therapeutic atmosphere and serve as linkage to detention posttreatment. In a Rotterdam jail (335 cells), ca. 10% were the DVA. Information was gathered from 86 male inmates who volunteered to enter the program, and 42 from other wings. After 1 year the drug-free detention group more actively searched and accepted treatment. No differences were found in drug use, recidivism, or physical, social, and psychological problems.