Substance abuse is an important risk factor for offending, but is mostly studied in males. The aim of this multicentre study is to gain insight into possible gender differences in substance abuse history and offending behavior in forensic psychiatric patients. Files were analyzed of 275 women and 275 matched men who have been admitted between 1984 and 2014 to one of four Dutch gender-mixed forensic hospitals. Risk assessment ratings were related to registered violent incidents during treatment for both women and men and to official recidivism data after discharge for a subgroup of 78 women. Substance abuse history was coded as a risk factor for more than half of the women (56.7%), but significantly more often for men (68.4%). Men were more often diagnosed with substance dependence and more frequently committed the index-offense whilst intoxicated. Prediction of violent incidents during treatment was more accurate for men. A history of substance abuse was not a significant predictor for recidivism after discharge in the subgroup women. It is concluded that there are gender differences in substance abuse history and that the relationship with offending behavior seems stronger for men. These differences have implications for substance use treatment in forensic mental health services.
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Background: The prevalence of Substance Use Disorder (SUD) in people with Mild IntellectualDisability and Borderline Intellectual Functioning (MID-BIF) is high and evidence-basedtreatment programs are scarce. The present study describes the development of a personalised SUD treatment for people with MID-BIF.Method: The personalised SUD treatment is developed according to the steps of the InterventionMapping approach, based on literature review, theoretical intervention methods, clinicalexperience and consultation with experts in the field of addiction and intellectual disability care.Results: We developed a treatment manual called Take it Personal!+. Take it Personal!+ aims toreduce substance use, is based on motivational interviewing and cognitive behavior therapyand personalised based on the client’s personality profile. Furthermore, an mHealth application supports the treatment sessions.Conclusion: Take it Personal!+ is the first personalised SUD treatment for individuals with MID-BIF.Future research should test the effectiveness of Take it Personal!+ in reducing SU.
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Individuals with mild intellectual disabilities or borderline intellectual functioning are at increased risk to develop a substance use disorder—however, effective treatment programs adapted to this target group are scarce. This study evaluated the effectiveness of Take it Personal!+ in individuals with mild intellectual disabilities or borderline intellectual functioning and substance use disorder. Take it Personal!+ is a personalized treatment based on motivational interviewing and cognitive-behavioral therapy supported by an mHealth application. Data were collected in a nonconcurrent multiple baseline single-case experimental design across individuals with four phases (i.e., baseline, treatment, posttreatment, and follow-up). Twelve participants were randomly allocated to baseline lengths varying between 7 and 11 days. Substance use quantity was assessed during baseline, treatment, and posttreatment with a daily survey using a mobile application. Visual analysis was supported with statistical analysis of the daily surveys by calculating three effect size measures in 10 participants (two participants were excluded from this analysis due to a compliance rate below 50%). Secondary, substance use severity was assessed with standardized questionnaires at baseline, posttreatment, and follow-up and analyzed by calculating the Reliable Change Index. Based on visual analysis of the daily surveys, 10 out of 12 participants showed a decrease in mean substance use quantity from baseline to treatment and, if posttreatment data were available, to posttreatment. Statistical analysis showed an effect of Take it Personal!+ in terms of a decrease in daily substance use in 8 of 10 participants from baseline to treatment and if posttreatment data were available, also to posttreatment. In addition, data of the standardized questionnaires showed a decrease in substance use severity in 8 of 12 participants. These results support the effectiveness of Take it Personal!+ in decreasing substance use in individuals with mild intellectual disabilities or borderline intellectual functioning.
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