Background: Violent loss (i.e. loss through homicide, suicide, or accident) is associated with high levels of prolonged grief disorder (PGD). Objective: The current meta-analysis aims at identifying correlates of PGD in adults exposed to violent loss. Method: We conducted a systematic literature search in PsycINFO, PsycARTICLES, PubMed, Web of Science, and Scopus. We used the Pearson correlation coefficient r as an effect size measure and a random effects model was applied to calculate effect sizes. Results: Thirty-seven eligible studies published between 2003 and 2017 (N = 5911) revealed 29 potential correlates. Most studies used a cross-sectional design. Analyses revealed large significant effect sizes for comorbid psychopathology (r = .50-.59), suicidality (r = .41, 95% confidence interval [CI] [.30; .52]), and rumination (r = .42, 95% CI [.31; .52]), while medium effect sizes were found for exposure to traumatic events and factors concerning the relationship to the deceased. Small effect sizes emerged for sociodemographic characteristics, multiple loss, physical symptoms, and religious beliefs. Ten variables did not show a significant association with PGD. Heterogeneity and a small number of studies assessing certain correlates were observed. Conclusions: The associations with psychological disorders may indicate shared mechanisms of psychopathology. Moreover, we recommend that clinicians carefully assess suicidal ideation among individuals with PGD who have been exposed to violent loss. Further research is warranted using longitudinal study designs with large sample sizes to understand the relevance of these factors for the development of PGD. Una revisión sistemática y metanálisis de los correlatos de duelo prolongado en adultos expuestos a pérdidas violentas Antecedentes y objetivos: La pérdida violenta (ej. pérdida por homicidio, suicidio, accidente) está asociada con niveles elevados de trastorno por duelo prolongado (PGD, por sus siglas en inglés). El objetivo del metanálisis actual es identificar los correlatos del PGD en adultos expuestos a pérdidas violentas. Método: Condujimos una búsqueda sistemática de literatura en PsycINFO, PsycARTICLES, PubMed, Web of Science y Scopus. Usamos el coeficiente r de correlación de Pearson como medición del tamaño del efecto de la muestra y se aplicó el modelo de efectos aleatorios (REM) para calcular los tamaños del efecto. Resultados: Treinta y siete estudios elegibles publicados entre el año 2003 y 2017 (N=5911) revelaron 29 correlatos potenciales. La mayoría de los estudios usaron un diseño transversal. Los análisis revelaron tamaños del efecto significativamente grandes para comorbilidad psicopatológica (r= .50-.59), suicidalidad (r=. 41, 95% IC[.30; .52]) y rumiación (r=.42, [.31; .52]), mientras que los tamaños del efecto medianos fueron encontrados para exposición a eventos traumáticos y factores concernientes a la relación del deceso. Los tamaños del efecto pequeños emergieron en las características sociodemográficas, pérdidas múltiples, síntomas físicos y ...
Background This study aims to provide a transparent and replicable documentation approach for the cultural adaptation of a cognitive-behavioural transdiagnostic intervention (Common Elements Treatment Approach, CETA) for Arabic-speaking refugees with common mental disorders in Germany. Method A mixed-methods approach was used, including literature review, interviews, expert decisions and questionnaires, in order to adapt the original CETA as well as an internet-based guided version (eCETA). The process of cultural adaptation was based on a conceptual framework and was facilitated by an adaptation monitoring form as well as guidelines which facilitate the reporting of cultural adaptation in psychological trials (RECAPT). Results Consistent with this form and the guidelines, the decision-making process of adaptation proved to be coherent and stringent. All specific CETA treatment components seem to be suitable for the treatment of Arabic-speaking refugees in Germany. Adaptations were made to three different elements: 1) Cultural concepts of distress: a culturally appropriate explanatory model of symptoms was added; socially accepted terms for expressing symptoms (for eCETA only) and assessing suicidal ideation were adapted; 2) Treatment components: no adaptations for theoretically/empirically based components of the intervention, two adaptations for elements used by the therapist to engage the patient or implement the intervention (nonspecific elements), seven adaptations for skills implemented during sessions (therapeutic techniques; two for eCETA only) and 3) Treatment delivery: 21 surface adaptations (10 for eCETA only), two eCETA-only adaptations regarding the format. Conclusion The conceptual framework and the RECAPT guidelines simplify, standardise and clarify the cultural adaptation process.
Objective: Applying elements of cognitive behavioral therapy (CBT) in internet-based interventions (IBIs) is effective in treating depression. However, CBT-based IBIs differ in which kind of components are applied and the order of their application. Furthermore, it is as yet unknown whether such sequencing matters. Using an IBI for depression, we examined whether the sequence of two major CBT components, behavioral activation (BA) and cognitive restructuring (CR), affect patterns of symptom changes and dropout rates. Method: Individuals with moderate to mild depressive symptoms (N = 2,304, 59% female) were randomly assigned to two groups: one group that received BA in Modules 2 and 3 and CR in Modules 4 and 5, and another group with the opposite sequence. The component contents were identical. We investigated group differences in dropout rates, symptom changes, and change trajectories across the intervention. Results: The groups had similar dropout rates and showed similar changes pre-to postassessment, and from pre-to 3-, 6-, and 12-month follow-up assessments. Between-group differences were small enough to be considered equivalent. Three classes of change trajectories emerged in both groups, but they did not differ in shape or size and did not show diverging associations with person-level characteristics. Conclusions: Results suggest that the sequence of the CBT components BA and CR in IBIs for depression does, on average, not systematically impact how individuals change during and after participation, which provides flexibility in designing CBT-based interventions. What is the public health significance of this article?The order of behavioral activation and cognitive restructuring in an internet-based intervention against depression has minor effects on average treatment outcomes. This allows flexibility when designing interventions.
Background To date, cultural clinical research has primarily focused on differences between ethnic groups when investigating causal beliefs about mental disorders. While individual as well as contextual factors are considered important for gaining a better understanding of cultural influences, research on causal beliefs about post-traumatic stress disorder (PTSD) and cultural correlates in laypersons is scarce. Objective This study aimed at gain a better understanding of the association between causal beliefs about PTSD and cultural aspects, as well as other contextual and individual correlates of causal beliefs. Method We conducted a cross-sectional, vignette-based online survey with 737 laypersons from Mexico, Ecuador, Germany, Greece, and Russia. Participants completed the illness perception questionnaire revised (IPQ-R) and reported several cultural and sociodemographic (e.g. country of residence, gender, personal values) as well as mental health–related variables (e.g. PTSD symptoms, previous seeking of help). Latent class analysis (LCA) was performed to identify subgroups of individuals expressing similar causal beliefs for PTSD. Multinomial logistic regression was used to analyse covariates of class membership. Results LCA resulted in a three-class solution of casual beliefs: a traumatic event–focused class (41.1%); an intrapersonal causes class (40.1%); and a multiple causes class (18.0%). Multinomial logistic regression analysis revealed country of residence, gender, personal value of security, PTSD symptoms, and mental health literacy as significant covariates of class membership. Conclusions Integrating a more diverse concept of culture into cultural clinical research can be a valuable addition to group comparisons based on nationality or ethnicity. Cultural clinical research needs to move towards a more integrated approach that accounts for the complexity of culture. Including additional contextual and sociodemographic factors can help to reach a more accurate understanding of the cultural influences on the development of causal beliefs and mental health.
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