Impact of pre-existing levels of hostility and aggression on substance abuse treatment outcome
The impact of the change in level of hostility and aggression on subsequent substance abuse (drug, alcohol, or combined) recovery was investigated. One hundred and thirty-two dually diagnosed veterans completed an inpatient treatment programme at a large DVA Medical Centre. Results showed significant decreases in addiction severity over 3 month and 12 month following-up. At 3 months, pretreatment severity was predictive of drug, alcohol, and drug/alcohol severity whereas change in hostility and aggression scores were not. At 12 months, however, pretreatment severity was predictive only of drug severity whereas change in hostility and aggression were predictive of alcohol and combined drug/alcohol severity. Implications for changes in substance abuse correlates over time are discussed.
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