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2013 ; 37
(6
): 984-92
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Childhood trauma exposure and alcohol dependence severity in adulthood: mediation
by emotional abuse severity and neuroticism
#MMPMID23278300
Schwandt ML
; Heilig M
; Hommer DW
; George DT
; Ramchandani VA
Alcohol Clin Exp Res
2013[Jun]; 37
(6
): 984-92
PMID23278300
show ga
BACKGROUND: Childhood trauma has been linked with a number of negative outcomes
later in life, including alcohol dependence (AD). Previous studies have suggested
a mediating role for neuroticism in the relationship between childhood trauma and
psychopathology. In this study, we investigate the prevalence of multiple types
of childhood trauma in treatment-seeking alcohol-dependent patients, and the
associations between childhood trauma and AD severity using multiple mediation
analysis. METHODS: The prevalence of 5 types of childhood trauma-emotional abuse,
sexual abuse, physical abuse, emotional neglect, and physical neglect-was
assessed in treatment-seeking alcohol-dependent patients (n = 280) and healthy
controls (n = 137) using the Childhood Trauma Questionnaire. Multiple mediation
analyses were used to model associations between childhood trauma measures and
alcohol-related outcomes, primarily the severity of AD in the alcohol-dependent
sample. RESULTS: Childhood trauma was significantly more prevalent and more
severe in the alcohol-dependent subjects. In addition, childhood trauma was found
to influence AD severity, an effect that was mediated by neuroticism. When
individual trauma types were examined, emotional abuse was found to be the
primary predictor of AD severity, both directly and through the mediating effects
of the impulsivity subfacet of neuroticism. Physical abuse also had a moderate
direct effect on AD severity. Mediation analysis did not reveal any association
between childhood trauma and Alcohol Use Disorders Identification Test score in
the nondependent control sample. CONCLUSIONS: Childhood trauma is highly
prevalent in treatment-seeking alcoholics and may play a significant role in the
development and severity of AD through an internalizing pathway involving
negative affect. Our findings suggest that alcoholics with a history of childhood
emotional abuse may be particularly vulnerable to severe dependence.
|Adult
[MESH]
|Adult Survivors of Child Abuse/*psychology
[MESH]