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Despite a lively debate about the dimensional vs. categorical nature of Personality Disorders (PDs), direct empirical tests of the underlying structure are missing for most PDs. Taxometrics can be used to investigate whether latent structures are categorical or dimensional. We investigated the latent structure underlying Avoidant, Dependent, Obsessive-Compulsive, Depressive, Paranoid, and Borderline PD by means of three types of taxometric analyses. SCID-II based DSM-IV PD criterion scores from 1,816 patients from Mental Health and Forensic Institutes, and 63 nonpatients, were analyzed with three types of taxometric analyses. MAMBAC, MAXEIG, and L-MODE taxometric analyses were applied on multiple criteria sets, constituted both on theoretical grounds and randomly. Assumptions for taxometric analyses were generally met. All but two of the 78 taxometric analyses indicated greater evidence for a latent dimensional structure, with better fit of empirical data to dimensional than to taxonic simulations; mean Comparative Curve Fit Index (CCFI) = .23, SD = .09. Only two analyses yielded ambiguous evidence (CCFI in the .40-.60 range) and none indicated taxonic structure.

The aim of this study was to investigate the quality of Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition dependent personality disorder (DPD) prototype with special reference to possible bidimensionality. The sample included 1078 patients, 81% (n = 875) had 1 or more personality disorders. The proportion of patients with DPD was 11.3% (n = 122). Frequency distribution, χ 2, correlations, reliability statistics, exploratory and confirmatory factor analyses were performed. Of the DPD criteria, criterion 3 showed a higher correlation with avoidant personality disorder than with DPD itself, whereas criterion 5 was weakly correlated with DPD, findings being confirmed by an exploratory factor analysis and a low internal consistency of all DPD criteria. An a priori hypothesized 2-factor model was confirmed by the confirmatory factor analysis. These results indicate a moderate to low quality of the DPD construct. The main objection is that DPD is based too heavily on a bidimensional model of perceived incompetence and dysfunctional attachment. Items should be revised, in particular, items 3 and 5.

[...]in the discussion and conclusion section, findings obtained from these studies and suggestions for both making up the deficiency in the literature and gaining new perspectives were discussed. According to Beck (2011), when individuals evaluate their own thoughts in a more realistic and adaptive way, improvements are observed in their mood and behaviors. Bender (2005) stated that establishing alliance, which is already difficult to do, is even more difficult especially with individuals who have severe paranoid, borderline or narcissistic personality disorder. Because it is explained that problematic interpersonal attitudes and behaviors may interfere between the client and the therapist, thus prevent establishing a therapeutic bond (Bender 2005). [...]as is known, the effect of CBT has been proven for many disorders such as anxiety disorders (Hofmann et al. 2012), bulimia nervosa (National Collaborating Center for Mental Health 2004) and insomnia disorder (Jungquist et al. 2010). [...]in this article, it is aimed to address cluster C disorders in detail and to examine the studies about the effect

Comorbid depression substantially affects the management of glycemia and diabetes-related complications among patients with type 2 diabetes mellitus. In this study, we sought to determine the association between weight change over 4 years and depression risk among patients with type 2 diabetes mellitus. This population-based retrospective cohort study from the National Health Insurance Services of Korea included 1 111 345 patients with type 2 diabetes who were divided into groups according to body weight change over 4 years. Body weight changes were compared with the preceding 4-year period (2005-2008). Depression was defined according to the International Classification of Diseases 10th revision code for depression (F32 and F33) on one or more inpatient or outpatient claims. During a median follow-up of 7.4 years, 244 081 cases of depression were identified. We observed a U-shaped association between body weight change and depression risk with a higher risk among both groups of weight loss (hazard ratio (HR) 1.17, 95% CI 1.15-1.19 for ⩾ -10%; HR 1.07, 95% CI 1.06-1.08 for -10 to -5%) and weight gain (HR 1.06, 95% CI 1.04-1.08 for ⩾10%; HR 1.02, 95% CI 1.01-1.04 for 5-10%) compared with the stable weight group (-5 to 5%). A U-shaped association between body weight change and depression risk was observed in this large nationwide cohort study. Our study suggests that patients with type 2 diabetes and weight change, either gain or loss, could be considered a high-risk group for depression.

The aim of this study was to describe patterns of personality disorders (PDs) in women with chronic eating disorders (EDs). An index group of nineteen women who have had EDs for an average of 8.5 years was compared with a control group of same-aged women from the general population. At the time of the study the index group received treatment at a tertiary treatment center in Stockholm. The PDs were assessed using the DSM-IV part of the DSM-IV and ICD-10 Personality Questionnaire (DIP-Q). In the index group, eighteen of nineteen fulfilled the criteria for one or more PD. The number of PD diagnoses for each women ranged from zero (n = 1) to eight (n = 2) with a median of three. Among the controls, only one woman fulfilled the criteria for one or more PD. The most prevalent disorders in the index group were Borderline, Avoidant, and Obsessive-Compulsive. The index group had significantly higher DIP-Q dimensional scores than the controls in the Paranoid, Schizoid, Schizotypal, Borderline, Histrionic, Avoidant, and Dependent scales. Although the assessment of PD symptoms was limited to self-reports, the high prevalence of PD diagnoses and PD symptoms most probably reflects the severe psychiatric impairments in patients suffering from chronic ED.