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1.
Psychogeriatrics ; 24(4): 765-777, 2024 Jul.
Article in English | MEDLINE | ID: mdl-38576072

ABSTRACT

BACKGROUND: Short-term cognitive impairment is associated with SARS-CoV-2 infection but the long-term impact is yet to be examined in detail. We aim to study the evolution of these symptoms in severe COVID-19 patients admitted to the intensive care unit (ICU) between April and December 2020 1 year after hospital discharge and to analyze its clinical correlates. METHOD: A total of 58 patients agreed to participate in the 6 months follow-up and 30 at 1 year after hospital discharge. Demographic, clinical and laboratory data were collected and a comprehensive neuropsychological battery including validated tests for the main cognitive domains was administered. To test the magnitude of neurocognitive sequelae, two standard deviations below normative group were considered. To compare the neuropsychological performance at 6 and 12 months follow-up we used repeated measures tests. Finally, regression analyses were performed to test the main effects of medical and psychological factors on multiple cognition. RESULTS: Almost half of the sample continued to have impaired performance on neuropsychological tests at 12 months follow-up. In comparison with the results obtained at 6 months, significant improvements were found in immediate recall (d = 0.49), delayed recall (d = 0.45), and inhibitory control (d = 0.53). Medical variables predicted cognitive performance at 6 months but not at 12 months follow-up, while anxiety and depression predicted cognitive deficits in the long-term. CONCLUSIONS: A generalised improvement was observed in severe COVID-19 patients at follow-up. This improvement was particularly notable in verbal memory and executive functioning. However, a considerable proportion of the sample continued to present deficits at 1 year follow-up.


Subject(s)
COVID-19 , Cognitive Dysfunction , Neuropsychological Tests , SARS-CoV-2 , Humans , COVID-19/psychology , Male , Female , Neuropsychological Tests/statistics & numerical data , Follow-Up Studies , Aged , Cognitive Dysfunction/psychology , Cognitive Dysfunction/diagnosis , Middle Aged , Intensive Care Units , Cognition , Severity of Illness Index
3.
Personal Disord ; 14(3): 355-359, 2023 05.
Article in English | MEDLINE | ID: mdl-35737563

ABSTRACT

The inclusion of the borderline pattern in the International Classification of Diseases, 11th Revision (ICD-11) dimensional classification of personality disorders (PDs) has caused controversy. Unease about leaving out these clinically challenging patients seems to conflict with the need of an evidence-based and credible diagnostic system. However, the accommodation of borderline within the new diagnostic system has not yet been studied in depth. To this end, we examine in a sample of 1799 general population and clinical subjects the joint structure of the five initial ICD-11 domains and the borderline pattern. Regression and item-level factor analyses reveal that borderline criteria do not form a separate construct and are indissociable from negative affectivity. Furthermore, borderline adds nothing to the remaining domains when it comes to predict PD severity. The borderline pattern appears as largely superfluous and even misguiding, unless their criteria are properly integrated within the structure of personality pathology. (PsycInfo Database Record (c) 2023 APA, all rights reserved).


Subject(s)
International Classification of Diseases , Personality Disorders , Humans , Psychometrics , Personality Inventory , Diagnostic and Statistical Manual of Mental Disorders , Personality Disorders/diagnosis , Personality
4.
J Psychosom Res ; 164: 111102, 2023 01.
Article in English | MEDLINE | ID: mdl-36508846

ABSTRACT

OBJECTIVE: Long-term changes in burnout and its predictors in hospital staff during the COVID-19 pandemic were investigated in an international study. METHODS: Two online surveys were distributed to hospital staff in seven countries (Germany, Andorra, Ireland, Spain, Italy, Romania, Iran) between May and October 2020 (T1) and between February and April 2021 (T2), using the following variables: Burnout (emotional exhaustion and depersonalization), job function, age, gender, and contact with COVID-19 patients; individual resources (self-compassion, sense of coherence, social support) and work-related resources and demands (support at the workplace, risk perception, health and safety at the workplace, altruistic acceptance of risk). Data were analyzed using linear mixed models repeated measures, controlled for age. RESULTS: A total of 612 respondents were included (76% women). We found an increase in burnout from T1 to T2. Burnout was high among personnel with high contact with COVID-19 patients. Individual factors (self-compassion, sense of coherence) and work-related factors (support at the workplace, risk perception, health and safety at the workplace) showed associations with burnout. Low health and safety at the workplace at T1 was associated with an increase in emotional exhaustion at T2. Men showed an increase in depersonalization if they had much contact with COVID-19 patients. CONCLUSION: Burnout represents a potential problematic consequence of occupational contact with COVID-19 patients. Special attention should be paid to this group in organizational health management. Self-compassion, sense of coherence, support at the workplace, risk perception, and health and safety at the workplace may be important starting points for interventions. REGISTRATION: Müller, M. M. (2020, August 30). Cope-Corona: Identifying and strengthening personal resources of hospital staff to cope with the Corona pandemic. Open Science Foundation.


Subject(s)
Burnout, Professional , COVID-19 , Male , Humans , Female , Pandemics , COVID-19/epidemiology , Burnout, Professional/epidemiology , Burnout, Professional/psychology , Personnel, Hospital , Surveys and Questionnaires , Longitudinal Studies , Job Satisfaction
5.
J Alzheimers Dis Rep ; 6(1): 461-478, 2022.
Article in English | MEDLINE | ID: mdl-36186729

ABSTRACT

Background: Predictive genetic tests are presently effective over several medical conditions, increasing the demand among patients and healthy individuals. Considering the psychological burden suspected familial dementia may carry on individuals, assessing personality, coping strategies, and mental health could aid clinicians in findings the appropriate time for delivering genetic test results and predict compliance regarding genetic counseling and expectations towards the genetic condition depending on the outcome. Objective: To describe the psychiatric, psychological, and coping characteristics of a sample of Spanish individuals at risk of familial dementia before genetic test results were given. Methods: We included 54 first degree relatives of patients diagnosed with Alzheimer's disease, lobar frontotemporal degeneration, or prion diseases. The NEO-FFI-R, COPE, and HADS tests evaluated personality, coping strategies, and psychological distress, respectively. Results: Anxiety and depression were below the cut-off point for mild severity. Conscientiousness and Agreeableness were the most preponderant personality factors, while Neuroticism was the least. Positive reinterpretation and Acceptance were the most frequent coping strategies, and Denial and Alcohol and drug use were the least used. Ongoing medical pathologies increased depression, while psychiatric disorders worsened psychological distress. Conclusion: Contrary to our expectations, PICOGEN candidates showed psychological distress and personality traits within normative ranges, and the use of problem-focused coping strategies prevailed over avoidance coping strategies. Nevertheless, clinicians should pay particular attention to individuals attending genetic counseling who are women, aged, and present an ongoing psychiatric disorder and psychiatric history at inclusion to ensure their mental health and adherence throughout the process.

6.
Front Psychol ; 13: 889730, 2022.
Article in English | MEDLINE | ID: mdl-35756215

ABSTRACT

The fast-slow paradigm of life history (LH) focuses on how individuals grow, mate, and reproduce at different paces. This paradigm can contribute substantially to the field of personality and individual differences provided that it is more strictly based on evolutionary biology than it has been so far. Our study tested the existence of a fast-slow continuum underlying indicators of reproductive effort-offspring output, age at first reproduction, number and stability of sexual partners-in 1,043 outpatients with healthy to severely disordered personalities. Two axes emerged reflecting a double-track pathway to fast strategy, based on restricted and unrestricted sociosexual strategies. When rotated, the fast-slow and sociosexuality axes turned out to be independent. Contrary to expectations, neither somatic effort-investment in status, material resources, social capital, and maintenance/survival-was aligned with reproductive effort, nor a clear tradeoff between current and future reproduction was evident. Finally, we examined the association of LH axes with seven high-order personality pathology traits: negative emotionality, impulsivity, antagonism, persistence-compulsivity, subordination, and psychoticism. Persistent and disinhibited subjects appeared as fast-restricted and fast-unrestricted strategists, respectively, whereas asocial subjects were slow strategists. Associations of LH traits with each other and with personality are far more complex than usually assumed in evolutionary psychology.

7.
Brain Behav Immun Health ; 21: 100425, 2022 May.
Article in English | MEDLINE | ID: mdl-35156065

ABSTRACT

BACKGROUND: Cognitive manifestations associated with Severe Acute Respiratory Syndrome by Coronavirus 2 (SARS-CoV-2) are yet to be described in the existing literature. The aim of this exploratory study is to analyze the impact of severe SARS-CoV-2 infection on neuropsychological performance 6 months following hospital discharge, and to identify which medical variables predict worse outcome. In this context, we study if cognitive reserve (CR) may play a protective role on cognitive impairment. METHODS: We enrolled a cohort of 102 severe SARS-CoV-2 survivors who had been admitted to the Intensive Care Unit (ICU) and were contacted 6-months post discharge. A total of 58 agreed to participate in this 6-month follow-up study. Patients with previously known cognitive impairment were excluded. Demographic, clinical and laboratory data were collected. Firstly, to test the magnitude of neurocognitive sequalae two standard deviations below normative group were considered. Secondly, to analyze the main effects of medical variables on cognition and the interaction with cognitive reserve, ANCOVA analyses were performed. RESULTS: 53.4% obtained a score below the cutoff point (<26) in the screening test MOCA. ICU variables including mechanical ventilation, days of sedation or high CRP days were related with cognition. Cognitive Reserve (CR) interacted with delirium (F â€‹= â€‹6.8, p â€‹= â€‹0.01) and sedation days (F â€‹= â€‹9.40, p â€‹= â€‹0.003) to predict verbal memory and interacted with high CRP to predict phonemic fluency (F â€‹= â€‹6.47, p â€‹= â€‹0.01). Finally, no differences in neuropsychological performance were found depending on subjective cognitive impairment (SCI). However, patients with SCI had a higher score in the HAD anxiety subscale (t â€‹= â€‹-2.2; p â€‹< â€‹0.05). CONCLUSIONS: In our cohort, cognitive dysfunction was related with ICU variables such as delirium, mechanical ventilation, and inflammation. CR modulated the impact of these variables on cognition. Cognitive complaints were related with anxiety but not with cognitive performance. Despite some limitations, including the need of replication of the findings with larger samples and control groups, our study suggests that high CR may be protective for severe COVID-19-related cognitive impairment.

8.
Obes Surg ; 32(2): 441-449, 2022 02.
Article in English | MEDLINE | ID: mdl-34791617

ABSTRACT

OBJECTIVES: To determine how the COVID-19 lockdown influenced the lifestyle, eating behavior, use of substances, mental health, and weight in patients who had undergone bariatric surgery (BS) and explore the self-perception of one's own health and fears related to COVID-19. METHODS: We performed a cross-sectional exploratory study in obesity patients who had undergone BS surgery > 1 year previously in a university hospital. Assessment was performed 40 days after initiating lockdown and included 2 periods: from April 24 until May 8 and during the initial de-escalation period: from May 9 until 22, 2020. A structured telephone interview and an online survey were administered. RESULTS: One hundred eighty-eight patients were interviewed; 156 also responded to the online survey (77% females, mean age 53.46 ± 10.48 years, mean follow-up 5.71 ± 4.30 years). Dietary habits were affected in 72% of the participants, with 15% reporting better diet planning; 83.5% reported having more sedentary behaviors; 27% and 36% showed depression and anxiety, respectively; and 45% of participants reported bad sleep quality. In relation to changes in the use of any substance, the use increased in the majority of patients who were previously users. Self-perception of one's own health and fears related to COVID-19 were only moderate. Finally, emotional eating and time since BS were statistically significant risk factors for predicting weight gain. CONCLUSIONS: Lockdown during COVID-19 pandemic negatively influenced the lifestyle, mental health, substance use, and weight in BS patients. These alterations were somewhat similar to those observed in the general population but more severe and with important clinical implications.


Subject(s)
Bariatric Surgery , COVID-19 , Obesity, Morbid , Adult , Communicable Disease Control , Cross-Sectional Studies , Female , Humans , Life Style , Male , Middle Aged , Obesity, Morbid/surgery , Pandemics , Risk Factors , SARS-CoV-2 , Sleep Quality
9.
Front Psychiatry ; 13: 1015489, 2022.
Article in English | MEDLINE | ID: mdl-36699492

ABSTRACT

Severity is the main component of the ICD-11 personality disorder (PD) classification, but pertinent instruments have only recently been developed. We analyzed the psychometric properties of the ICD-11 Personality Disorder Severity scale (PDS-ICD-11) in a mixed sample of 726 community and clinical subjects. We also examined how the different components of the ICD-11 PD system -five trait domains, the borderline pattern specifier, and severity, all of them measured through self-reports- are interconnected and operate together. PDS-ICD-11 properties were adequate and similar to those of the original instrument. However, regressions and factor analyses showed a considerable overlap of severity with the five personality domains and the borderline specifier (72.6%). Bifactor modeling resulted in a general factor of PD (g-PD) that was not equivalent to severity nor improved criterion validity. The whole ICD-11 PD system, i.e., five personality domains, borderline, and severity, explained an average of 43.6% of variance of external measures of well-being, disability, and clinical problems, with severity contributing 4.8%. Suggestions to further improve the ICD-11 PD taxonomy include remodeling the present definition of severity to give more weight to the real-life consequences of traits.

10.
Personal Ment Health ; 15(4): 239-251, 2021 11.
Article in English | MEDLINE | ID: mdl-33871181

ABSTRACT

Current dimensional taxonomies of personality disorder show a stronger empirical grounding than categories, but may lack the necessary level of detail to make accurate predictions and case formulations. We need to further develop the lower levels of the hierarchy until reaching the building blocks of personality pathology. The Dimensional Assessment of Personality Pathology-Basic Questionnaire (DAPP-BQ) is well-suited to this purpose due to its multilayered structure and its agreement with the official dimensional classifications. We disaggregated the 18 DAPP-BQ mid-level facets through exploratory and confirmatory factor analysis in a sample of 3233 community subjects and outpatients. We obtained a set of 72 clinically relevant, narrower subfacets, which were reliable, well-fitted to the data, and invariant between clinical and community subjects and between the sexes. This third level of abstraction increases by 4.7% the capacity to predict DSM categorical personality disorders, gives a particular advantage in capturing dependent, histrionic, paranoid, obsessive, and schizoid features and can provide the detailed information that clinical decisions demand.


Subject(s)
Personality Assessment , Personality Disorders , Diagnostic and Statistical Manual of Mental Disorders , Humans , Personality , Personality Disorders/diagnosis , Personality Inventory , Surveys and Questionnaires
11.
Front Psychiatry ; 12: 591934, 2021.
Article in English | MEDLINE | ID: mdl-33889093

ABSTRACT

The promise of replacing the diagnostic categories of personality disorder with a better-grounded system has been only partially met. We still need to understand whether our main dimensional taxonomies, those of the International Classification of Diseases, 11th Revision (ICD-11) and the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5), are the same or different, and elucidate whether a unified structure is possible. We also need truly independent pathological domains, as they have shown unacceptable overlap so far. To inquire into these points, the Personality Inventory for DSM-5 (PID-5) and the Personality Inventory for ICD-11 (PiCD) were administered to 677 outpatients. Disattenuated correlation coefficients between 0.84 and 0.93 revealed that both systems share four analogous traits: negative affectivity, detachment, dissociality/antagonism, and disinhibition. These traits proved scalar equivalence too, such that scores in the two questionnaires are roughly interchangeable. These four domains plus psychoticism formed a theoretically consistent and well-fitted five-factor structure, but they overlapped considerably, thereby reducing discriminant validity. Only after the extraction of a general personality disorder factor (g-PD) through bifactor analysis, we could attain a comprehensive model bearing mutually independent traits.

12.
Assessment ; 28(3): 759-772, 2021 04.
Article in English | MEDLINE | ID: mdl-32583685

ABSTRACT

The International Classification of Diseases-11th revision (ICD-11) classification of personality disorders is the official diagnostic system that is used all over the world, and it has recently been renewed. However, as yet very few data are available on its performance. This study examines the Personality Inventory for ICD-11 (PiCD), which assesses the personality domains of the system, and the Standardized Assessment of Severity of Personality Disorder (SASPD), which determines severity. The Spanish versions of the questionnaires were administered to a community (n = 2,522) and a clinical sample (n = 797). Internal consistency was adequate in the PiCD (α = .75 to .84) but less so in the SASPD (α = .64 and .73). Factor analyses suggested a unidimensional or bidimensional structure for severity, while revealing that the personality trait qualifiers are organized into four factors: negative affectivity, detachment, dissociality, and a bipolar domain of disinhibition-anankastia. The mutual relationships between traits and severity were analyzed, as well as the ability of the whole system to identify clinical subjects. Although further improvements are required, the results generally support the use of the PiCD and the SASPD and help substantiate the new ICD-11 taxonomy that underlies them.


Subject(s)
International Classification of Diseases , Personality Disorders , Diagnostic and Statistical Manual of Mental Disorders , Humans , Personality , Personality Disorders/diagnosis , Personality Inventory
13.
Assessment ; 28(3): 773-787, 2021 04.
Article in English | MEDLINE | ID: mdl-31928067

ABSTRACT

The Alternative Model for Personality Disorders defined in Diagnostic and Statistical Manual of Mental Disorders-Fifth edition (DSM-5) has recently attracted considerable interest in empirical research, with different hypotheses being proposed to explain the discordant results shown in previous research. Empirical network analysis has begun to be applied for complementing the study of psychopathological phenomena according to a new perspective. This article applies this analysis to personality facets measured in a sample of 626 patients with mental disorders and a 1,034 normative sample, using the Personality Inventory for DSM-5. The results reveal five substructures partially equivalent to domains defined in the DSM-5. Discordant facets (suspiciousness, hostility, rigid perfectionism, attention seeking, and restricted affectivity) play the role of connectors between substructures. Invariance between clinical and community networks was found except for the connection between unusual beliefs and perceptual dysregulation (stronger in the clinical sample). Considering the strength centrality index, anxiousness, emotional lability, and depressivity can be highlighted for their relative importance within both clinical and normative networks.


Subject(s)
Personality Disorders , Personality , Diagnostic and Statistical Manual of Mental Disorders , Humans , Personality Disorders/diagnosis , Personality Inventory , Psychopathology
14.
Sci Rep ; 10(1): 21343, 2020 12 07.
Article in English | MEDLINE | ID: mdl-33288792

ABSTRACT

Living kidney donors' follow-up is usually focused on the assessment of the surgical and medical outcomes. Whilst the psychosocial follow-up is advocated in literature. It is still not entirely clear which exact psychosocial factors are related to a poor psychosocial outcome of donors. The aim of our study is to prospectively assess the donors' psychosocial risks factors to impaired health-related quality of life at 1-year post-donation and link their psychosocial profile before donation with their respective outcomes. The influence of the recipient's medical outcomes on their donor's psychosocial outcome was also examined. Sixty donors completed a battery of standardized psychometric instruments (quality of life, mental health, coping strategies, personality, socio-economic status), and ad hoc items regarding the donation process (e.g., motivations for donation, decision-making, risk assessment, and donor-recipient relationship). Donors' 1-year psychosocial follow-up was favorable and comparable with the general population. So far, cluster-analysis identified a subgroup of donors (28%) with a post-donation reduction of their health-related quality of life. This subgroup expressed comparatively to the rest, the need for more pre-donation information regarding surgery risks, and elevated fear of losing the recipient and commitment to stop their suffering.


Subject(s)
Kidney Transplantation/psychology , Living Donors/psychology , Adult , Cluster Analysis , Female , Humans , Logistic Models , Male , Middle Aged , Prospective Studies , Quality of Life , Risk Factors , Social Class
15.
J Pers Disord ; 34(Supplement C): 25-39, 2020 Dec.
Article in English | MEDLINE | ID: mdl-31210573

ABSTRACT

A dimensional classification seems to be the next move in the personality disorders field. However, it is not clear whether there is one dimensional model or many, or whether the currently available dimensional instruments measure the same traits. To help clarify these issues, the authors administered the Personality Inventory for DSM-5 (PID-5) and the Dimensional Assessment of Personality Pathology (DAPP-BQ) to 414 psychiatric outpatients. Factor analyses showed that a common hierarchical structure underlies both instruments, even if each one measures slightly different aspects of it. Disattenuated correlations indicated that, at the lower order level, two thirds of the PID-5 and DAPP-BQ facets measure essentially the same traits, although the pairings were not exactly as predicted. Among higher order domains, only PID Negative Affectivity and Detachment converged unambiguously with DAPP Emotional Dysregulation and Inhibition. Overall, the PID-5 and the DAPP-BQ reflect, with small divergences, one and the same structure of pathological personality traits.

16.
Personal Disord ; 11(6): 409-417, 2020 11.
Article in English | MEDLINE | ID: mdl-31855004

ABSTRACT

Although normal personality traits change gradually with age, personality disorders have been reported to remit rapidly and completely in little more than 10 years. Such a benign prognosis is surprising and may be due in part to the combined use of categorical diagnoses, seriously ill patients, and longitudinal designs in the existing literature. This study examines, for the first time, the development of personality pathology across a life span by means of dimensional models, represented by the Dimensional Assessment of Personality Pathology-Basic Questionnaire and the Personality Inventory for Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition. We draw upon a cross-sectional design and four large clinical and community samples to avoid previous biases. We found that personality pathology declined by around 0.5 SD overall from age 20 to 60, though with noticeable differences between domains: Dissocial behavior and antagonism decreased by between two thirds and 1 SD; compulsivity increased at the same rate; disinhibition, negative affect, and psychoticism dropped by 0.5 SD; and detachment remained stable or rose slightly. In short, the changes in many clinically important traits are modest, occur at a slow pace, and roughly parallel the maturation effect found for normal personality traits. The resulting picture of personality disorder development is not as optimistic as previous studies would have us believe. (PsycInfo Database Record (c) 2020 APA, all rights reserved).


Subject(s)
Longevity , Personality Disorders/pathology , Adolescent , Adult , Aged , Cross-Sectional Studies , Diagnostic and Statistical Manual of Mental Disorders , Female , Humans , Male , Middle Aged , Personality Inventory , Young Adult
17.
J Pers Disord ; 33(4): 515-S9, 2019 08.
Article in English | MEDLINE | ID: mdl-30307831

ABSTRACT

On the path to developing dimensional models of personality disorder (PD), we are at risk of leaving key diagnostic aspects behind. The general criteria for PD may be important ones because they reflect the defining aspects of personality pathology: long duration, independence from psychopathological states, and harmfulness. We assessed these criteria by interview in a sample of 362 psychiatric outpatients after administering the Personality Diagnostic Questionnaire-4+. The result was a 42.5% fall in self-reported endorsements, due to misinterpretations (11.5%), short duration of traits or contamination by state psychopathology (9.8%), and traits being non-harmful (21.2%). However, not all personality traits and disorders underwent correction to the same extent, and ultimately, the interview did not improve the prediction of clinical variables. These findings raise doubts about the practical relevance of the general criteria for PD and support the role of self-report questionnaires for diagnostic purposes.


Subject(s)
Diagnostic and Statistical Manual of Mental Disorders , Interview, Psychological/methods , Personality Disorders/psychology , Adolescent , Adult , Aged , Female , Humans , Male , Middle Aged , Surveys and Questionnaires , Young Adult
18.
Transpl Int ; 31(12): 1332-1344, 2018 12.
Article in English | MEDLINE | ID: mdl-30144365

ABSTRACT

Living kidney donors seem highly satisfied with donation. However, previous studies measure satisfaction by a single-item or by simply questioning donors' willingness to donate again or to recommend living donation. With the aim of analyzing whether satisfaction with donation is a multidimensional construct, thus allowing a more specific characterization of dissatisfied donors, 332 living kidney donors (2005-2015) answered a renewed version of the European Living Donation and Public Health Project satisfaction survey. Exploratory factor-analyses suggested that satisfaction was composed of three-factors: violation of donors' expectancies about donation; interference of donation on daily activities, and pain and discomfort. Donors reported high levels of satisfaction. However, cluster-analysis identified a subgroup characterized by a higher discrepancy between the expected and the actually experienced during donation, higher interference on daily activities, and higher pain and discomfort. Most of them considered that hospital discharge was premature, suffered economic losses and perceived worse health outcomes of their recipients. Single questions assessing donors' willingness to donate again or to recommend living donation were unable to differentiate between clusters. In summary, donor's satisfaction seems better characterized by three dimensions than by single questions.


Subject(s)
Kidney Transplantation/methods , Living Donors/statistics & numerical data , Nephrectomy/psychology , Personal Satisfaction , Adult , Aged , Female , Humans , Kidney , Male , Middle Aged , Patient Satisfaction , Quality of Life , Retrospective Studies , Surveys and Questionnaires
19.
J Pers Assess ; 100(1): 16-29, 2018.
Article in English | MEDLINE | ID: mdl-28631974

ABSTRACT

The use of personality disorder (PD) categories persists, despite the evidence against them. An often overlooked reason for this is the fact that the true structure underlying the Diagnostic and Statistical Manual of Mental Disorders (DSM) taxonomy is still unknown: We cannot be certain which disorders are valid, and which ones are arbitrary mixtures of heterogeneous traits. To address this gap, we factor analyzed the Personality Diagnostic Questionnaire (PDQ-4+; Hyler, 1994 ) at the criterion level in a mixed clinical and nonclinical sample of 2,519 individuals. The resulting structure was more similar to current dimensional taxonomies than to the DSM classification at all hierarchical levels. Whereas paranoid and antisocial PDs-and to a lesser extent avoidant, dependent, depressive, and schizoid PDs-were fairly homogeneous, all other disorders turned out to be combinations of 2 or 3 unrelated dimensions. Our results strongly support the structure of empirically based dimensional taxonomies and relocate DSM criteria within this emerging framework, thus contributing to preserving much of the knowledge accumulated to date.


Subject(s)
Personality Disorders/classification , Personality Disorders/diagnosis , Personality , Adult , Antisocial Personality Disorder/classification , Antisocial Personality Disorder/diagnosis , Diagnostic and Statistical Manual of Mental Disorders , Female , Humans , Male , Middle Aged , Personality Inventory , Surveys and Questionnaires
20.
Assessment ; 24(3): 326-336, 2017 Apr.
Article in English | MEDLINE | ID: mdl-26391204

ABSTRACT

The Personality Inventory for DSM-5 (PID-5) measures the trait part (Criterion B) of the alternative model for personality disorders proposed in Section III of DSM-5. Although its psychometric properties have proven adequate thus far, evidence is limited in other languages and in clinical samples. The Spanish PID-5 was examined in two samples comprising 446 clinical and 1,036 community subjects. Facet scales showed good internal consistency in both samples (median α = .86 and .79) and were unidimensional under exploratory and confirmatory approaches. They were also able to distinguish between clinical and community subjects with a mean standardized difference of z = 0.81. All facets except for Risk Taking were unipolar, such that the upper poles indicated pathology and the lower poles reflected normality, rather than the opposite pole of abnormality. The entire PID-5 hierarchical structure, from one to five factors, was confirmed in both samples with Tucker's congruence coefficients over .95.


Subject(s)
Cross-Cultural Comparison , Mental Disorders/diagnosis , Mental Disorders/psychology , Personality Disorders/diagnosis , Personality Disorders/psychology , Personality Inventory/statistics & numerical data , Psychometrics/statistics & numerical data , Adolescent , Adult , Aged , Diagnosis, Dual (Psychiatry) , Diagnostic and Statistical Manual of Mental Disorders , Female , Humans , Interview, Psychological , Male , Middle Aged , Models, Psychological , Models, Statistical , Reference Values , Reproducibility of Results , Spain , Statistics as Topic , Young Adult
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