• Pino Alonso, José M Menchón, David Mataix-Cols, Josep Pifarré, Mikel Urretavizcaya, José M Crespo, Susana Jiménez, Gema Vallejo, and Julio Vallejo.
• Obsessive-Compulsive Disorder Clinical and Research Unit, Department of Psychiatry, Hospital Príncipes de España, Ciudad Sanitaria y Universitaria de Bellvitge, c/ Feixa Llarga s/n 08907, Hospitalet de Llobregat, Barcelona, Spain.
• Psychiatry Res. 2004 Jul 15; 127 (3): 267-78.

AbstractObsessive-compulsive disorder (OCD) runs in families, but the specific contribution of genetic and environmental factors to its development is not well understood. The aim of this study was to assess whether there are differences in perceived parental child-rearing practices between OCD patients and healthy controls, and whether any relationship exists between parental characteristics, depressive symptoms and the expression of particular OCD symptom dimensions. A group of 40 OCD outpatients and 40 matched healthy controls received the EMBU (Own Memories of Parental Rearing Experiences in Childhood), a self-report measure of perceived parental child-rearing style. The Yale-Brown Obsessive-Compulsive Scale (Y-BOCS) and the Hamilton Depression Rating Scale (HDRS) were used to assess the severity of obsessive-compulsive and depressive symptoms. The Y-BOCS Symptom Checklist was used to assess the nature of obsessive-compulsive symptoms, considering the following five symptom dimensions: contamination/cleaning, aggressive/checking, symmetry/ordering, sexual/religious and hoarding. Logistic and multiple linear regression analyses were conducted to study the relationship between parental style of upbringing, depressive symptoms and OCD symptom dimensions. Severe OCD (Y-BOCS: 27.0+/-7.4) and mild to moderate depressive symptoms (HDRS: 14.0+/-5.4) were detected in our sample. Compared with healthy controls, OCD patients perceived higher levels of rejection from their fathers. No differences between the groups with respect to perceived levels of overprotection were detected. The seventy of depressive symptoms could not be predicted by scores on any perceived parental characteristics. Hoarding was the only OCD symptom dimension that could be partially predicted by parental traits, specifically low parental emotional warmth. Social/cultural variables such as parental child-rearing patterns, in interaction with biological and genetic factors, may contribute to the expression of the OCD phenotype.

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