Chronic, low-grade depression in a nonclinical sample : Depressive personality or dysthymia?

Depressive personality disorder (DPD) is being considered for inclusion in future editions of the Diagnostic and Statistical Manual of Mental Disorders (DSM). However, there is substantial conceptual and empirical overlap between DPD and dysthymic disorder (Dysthymia) criteria, suggesting that these...

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Bibliographic Details
Published in:Journal of personality disorders 2001-02, Vol.15 (1), p.84-93
Main Authors: RYDER, Andrew G, BAGBY, R. Michael, DION, Kenneth L
Format: Article
Language:English
Subjects:
Adolescent
Adult
Biological and medical sciences
Comorbidity
Depression (Psychology)
Depressive Disorder - diagnosis
Depressive Disorder - psychology
Diagnosis, Differential
Dysthymic Disorder - diagnosis
Dysthymic Disorder - psychology
Factor Analysis
Factor Analysis, Statistical
Female
Humans
Individualized Instruction
Male
Medical sciences
Mental Disorders
Nosology. Terminology. Diagnostic criteria
Personality
Personality Disorders - diagnosis
Personality Disorders - psychology
Personality Problems
Psychiatric Status Rating Scales
Psychology. Psychoanalysis. Psychiatry
Psychopathology
Psychopathology. Psychiatry
Questionnaires
Reproducibility of Results
Researchers
Resistance (Psychology)
Severity of Illness Index
Surveys and Questionnaires
Symptoms (Individual Disorders)
Techniques and methods
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Summary:Depressive personality disorder (DPD) is being considered for inclusion in future editions of the Diagnostic and Statistical Manual of Mental Disorders (DSM). However, there is substantial conceptual and empirical overlap between DPD and dysthymic disorder (Dysthymia) criteria, suggesting that these two constructs may not be distinct. Confirmatory factor analysis of the DPD traits and dysthymia symptoms in a large, nonclinical sample (N = 368) indicated that a two-factor model was a better fit than a one-factor model. However, binary diagnostic analysis revealed that over half of the individuals meeting criteria for DPD also met criteria for dysthymia and that the best-fitting model allowed the psychological symptoms of dysthymia to load on both DPD and dysthymia latent factors. All of the individuals with DPD alone failed to meet criteria for dysthymia because they did not report chronic depressed mood. Our results suggest that although DPD is not synonymous with Dysthymia, it may be a milder subtype.
ISSN:0885-579X
1943-2763
DOI:10.1521/pedi.15.1.84.18641