In a new study it has been revealed that depression increases with age in addiction-prone women who are in their 30s and 40s.
The longitudinal analysis examined the influences of the women's histories, family life and neighborhood instability on their alcoholism symptoms, antisocial behavior and depression over a 12-year period covering the earlier years of marriage and motherhood.
AdvertisementThe research led by University of Michigan Health System researchers is part of an ongoing project focusing on families at high risk for substance abuse and associated disorders that has already collected more than 20 years worth of data.
Among the current study's other top findings:
The women's partners' struggles with addiction and antisocial behavior, such as run-ins with the law, worsened the women's own symptoms and behaviors.
Children's behavior also had a negative impact on their mothers. When children exhibited behaviors that included acting out and getting into trouble, their mothers' alcohol problems and antisocial behavior tended to worsen. Meanwhile, when children were sad, withdrawn or isolated,their mothers' depression increased.
Living in an unstable neighborhood, where residents move in and out frequently, also had a significant effect on the women's alcoholism symptoms and level of depression.
Our findings demonstrate the complexity of the factors affecting changes in alcohol problems, antisocial behavior and depression for these women," says the study's senior author Robert Zucker, Ph.D., a professor of psychiatry and psychology at the University of Michigan Medical School and director of the U-M Addiction Research Center.
The findings challenge common notions that depression, alcoholism and antisocial behavior, are either just genetic disorders, or alternatively, that they are caused by environmental factors, Zucker adds.
"It's really the network of these relationships-at the biological, social and at the community level-that influences these disorders over time," he says.
The research also shows that unlike alcoholism symptoms and antisocial behavior, depression does not, by itself, moderate over time - it actually gets worse, at least in this high risk population, Zucker notes.
"Unlike the other two disorders, biological differences appear to be more of a constant factor in depression," he says.
The study has been published in Development and Psychopathology.
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