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Specific familial transmission in substance abuse
W H Meller1, R Rinehart, R J Cadoret
1Department of Psychiatry, University of Minnesota, Minneapolis.
The International Journal of the Addictions
|October 1, 1988
Summary
Familial transmission of drug abuse is specific. Individuals with a family history of drug abuse showed a higher incidence of nonalcoholic substance abuse compared to those with a family history of alcoholism.
Area of Science:
- Addiction research
- Genetics of substance abuse
- Family studies in addiction
Background:
- Limited research exists on the familial transmission of drug abuse, unlike alcoholism.
- Understanding familial patterns is crucial for addiction prevention and treatment.
Purpose of the Study:
- To investigate specific familial transmission patterns of substance abuse.
- To determine if drug abuse is more prevalent in individuals with a family history of drug abuse versus alcoholism.
Main Methods:
- Study included 305 inpatient chemical dependency patients.
- Diagnoses based on Diagnostic and Statistical Manual of Mental Disorders, Third Edition (DSM-III) criteria and structured interviews.
- Log linear analysis used to examine associations between family history and proband substance abuse.
Main Results:
- Probands with a family history of drug abuse exhibited significantly higher rates of nonalcoholic substance abuse.
- This finding suggests a specific familial link for nonalcoholic substance abuse.
Conclusions:
- Evidence supports specific familial transmission of drug abuse.
- Further research into genetic and environmental factors influencing familial drug abuse patterns is warranted.