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Deprecated: Implicit conversion from float 243.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Alcohol+Clin+Exp+Res 2013 ; 37 (6): 984-92 Nephropedia Template TP
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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; T. George D; Ramchandani VA
Alcohol Clin Exp Res 2013[Jun]; 37 (6): 984-92 PMID23278300show ga
Background: Childhood trauma has been linked to a number of negative outcomes later in life, including alcohol dependence. 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 alcohol dependence severity using multiple mediation analysis. Method: The prevalence of five 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 alcohol dependence 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 alcohol dependence severity, an effect that was mediated by neuroticism. When individual trauma types were examined, emotional abuse was found to be the primary predictor of alcohol dependence severity, both directly and through the mediating effects of the impulsivity subfacet of neuroticism. Physical abuse also had a moderate direct effect on alcohol dependence severity. Mediation analysis did not reveal any association between childhood trauma and AUDIT score in the non-dependent control sample. Conclusions: Childhood trauma is highly prevalent in treatment-seeking alcoholics and may play a significant role in the development and severity of alcohol dependence 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.