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    The tripartite model of anxiety and depression: Role of the factors of anxiety sensitivity in anxiety and depression

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    Author
    Dia, David A.
    Advisor
    Harrington, Donna
    Date
    2006
    Type
    dissertation
    
    Metadata
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    Abstract
    Anxiety disorders are a common and can cause significant impairment in an adolescent's life (Last et al., 1997). Psychosocial treatments, particularly cognitive behavioral therapy, are effective in treating anxiety disorders, but there are many adolescents who have participated in empirically-based psychosocial treatment approaches who are still not improving (Bernstein & Kinlan, 1997; In-Albon & Schneider, 2004). The tripartite model of anxiety and depression was developed to try to account for the high comorbidity between anxiety and depression. The models states that there is a common component to anxiety and depression, which is negative affectivity, and unique components to anxiety, physiological arousal, and depression, low positive affectivity or anhendonia. The purpose of this dissertation study was to increase the knowledge base on the phenomenology of anxiety disorders. The objectives were to: (1) examine gender and ethnic differences in positive and negative affectivity and depressive and anxiety symptomology; and (2) to clarify the relationship between anxiety and the components of anxiety sensitivity within the tripartite model of anxiety and depression. This study consisted of mailed survey to a simple random sample of 315 adolescents between the ages of 12 and 18 who were in treatment for an anxiety and/or depressive disorder. A total of 187 completed surveys were returned for a 61.1% response rate. Adolescents filled out the Positive and Negative Affectivity Scale, Childhood Anxiety Sensitivity Index, and the Revised Child Anxiety and Depression Scale. There was not a statistically significant difference found between the ethnic subgroups (i.e., Hispanic/Latino or any ethnic subgroup) and the Caucasian subgroup on positive and negative affectivity and anxiety and depression. There was also no statistically significant difference found between males and females on negative and positive affectivity and anxiety and depression. A modified tripartite model of anxiety and depression fit the data the best with negative affectivity being related to anxiety and depression, low positive affectivity being related to depression, and physiological arousal being related to anxiety, and anxiety being related to depression. Another modified tripartite model, which examined the specific components of anxiety sensitivity related to specific anxiety disorders, did not fit the data as well as the earlier model. This study did find difference between ethnic subgroups and Caucasian adolescents or between males and females, which suggests there are more similarities than difference between these various subgroups. Additionally, the modified tripartite model supported the role of negative affectivity being related to anxiety and depression and there are unique components, physiological arousal and anhendonia, related to anxiety and depression. This study uniquely found that anxiety was related to depression, suggesting a mixed anxiety and depressive state.
    Description
    University of Maryland, Baltimore. Social Work. Ph.D. 2006
    Keyword
    Psychology, Clinical
    Adolescent
    Anxiety Disorders--psychology
    Comorbidity
    Depression
    Social Work
    Identifier to cite or link to this item
    http://hdl.handle.net/10713/1012
    Collections
    Theses and Dissertations All Schools
    Theses and Dissertations School of Social Work

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