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The Kessler Psychological Distress scale (K10) is an instrument that is widely used to screen for mental disorders, but information is lacking on its psychometric qualities in non-Western samples. This study used a population-based sample (N = 725) to assess the reliability and validity of the K10 across ethnic groups in an urban area. The results were generally supportive of the K10 as a reliable and valid instrument to screen for anxiety and depression in all three groups. Cronbach's alpha was high (0.93) and the results indicated the existence of a solid single factor structure. Item bias in relation to ethnic background was minor. In each group, there was good criterion validity with respect to one-month DSM-IV diagnosis for depressive and/or anxiety disorder. The results nevertheless highlight the importance of cross-cultural validation, as we found different cut-off values for ethnic subgroups to obtain optimal sensitivity and specificity for detecting depressive and/or anxiety disorders. Copyright © 2009 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]

Background: Turkish migrants in the Netherlands have a high prevalence of depressive and/or anxiety disorders. Acculturation has been shown to be related to higher levels of psychological distress, although it is not clear whether this also holds for depressive and anxiety disorders in Turkish migrants. This study aims to clarify the relationship between acculturation strategies (integration, assimilation, separation and marginalization) and the prevalence of depressive and anxiety disorders as well as utilisation of GP care among Turkish migrants., Methods: Existing data from an epidemiological study conducted among Dutch, Turkish and Moroccan inhabitants of Amsterdam were re-examined. Four scales of acculturation strategies were created in combination with the bi-dimensional approach of acculturation by factor analysis. The Lowlands Acculturation Scale and the Composite International Diagnostic Interview were used to assess acculturation and mood and anxiety disorders. Socio-demographic variables, depressive, anxiety and co-morbidity of both disorders and the use of health care services were associated with the four acculturation strategies by means of Chi-Squared and Likelihood tests. Three two-step logistic regression analyses were performed to control for possible, confounding variables., Results: The sample consisted of 210 Turkish migrants. Significant associations were found between the acculturation strategies and age (p < .01), education (p < .01), daily occupation (p < .01) and having a long-term relationship (p = .03). A significant association was found between acculturation strategies and depressive disorders (p = .049): integration was associated with a lower risk of depression, separation with a higher risk. Using the axis separately, participation in Dutch society showed a significant relationship with a decreased risk of depressive, anxiety and co-morbidity of both disorders (OR = .15; 95% CI: .024 - .98). Non-participation showed no significant association. No association was found between the acculturation strategies and uptake of GP care., Conclusions: Turkish migrants who integrate may have a lower risk of developing a depressive disorder. Participation in Dutch culture is associated with a decreased risk of depressive, anxiety and co-morbidity of both disorders. Further research should focus on the assessment of acculturation in the detection of depression.

Background: Overlap of depressive and anxiety symptoms is supposedly more common in non-Western populations. This can lead to diagnostic uncertainity and undertreatment., Aims: The aim of this study was to assess cross-cultural differences regarding the comorbidity of anxiety and depressive disorders in a comparative population study., Methods: In a random urban population sample, stratified for descent, in Amsterdam, the Netherlands, diagnostic interviews were held by bilingual interviewers. Diagnoses of anxiety and depressive disorders, based on the Composite International Diagnostic Interview, were obtained for 307 native Dutch subjects, 205 Turkish-Dutch subjects and 186 Moroccan-Dutch subjects., Results: The prevalence rate of comorbid anxiety and depressive disorders was higher in Turkish-Dutch (9.8 %) and Moroccan-Dutch (3.8%) subjects compared to native Dutch subjects (2.3%). However, this could be explained by differences in baseline prevalence rate and level of severity of the separate disorders. The onset order of anxiety disorders and depressive disorders was comparable in each ethnic group., Conclusions: The high prevalence rate of comorbid anxiety and depressive diorders in non-Western immigrants in the Netherlands necessitates assesssment and treatment of both disorders. There was no indication of a - culturally influenced - stronger overlap between anxiety and depressive disorders in non-Western immigrants in the Netherlands.

Background: Political and social developments point at increasing marginalization of Muslim migrants, but little is known about its consequences for the mental health of this particular group., Aim: To explore the relationship between acculturation and psychological distress among first-generation Muslim migrants from Turkey and Morocco in the Netherlands., Methods: A cross-sectional study. Respondents were interviewed in their preferred language. Acculturation was measured with the Lowlands Acculturation Scale (LAS) and psychological distress with the Kessler Psychological Distress Scale (K10). Data were complete for 321 subjects and analyzed with multivariate linear regression., Results: Less skills for living in Dutch society was associated with distress (p = 0.032). Feelings of loss were related to distress among Moroccans (p = 0.037). There was an interaction between traditionalism and ethnic background (p = 0.037); traditionalism was related to less distress among Moroccans (p = 0.020), but not among Turkish. Finally, there was an interaction by gender among Turks (p = 0.029); conservative norms and values seemed to be related to distress among men (p = 0.062), not women., Conclusion: Successful contact and participation in Dutch society, and maintenance of heritage culture and identity were moderately associated with less psychological distress. Improving mastery of the dominant language in host societies, and allowing migrants to preserve their traditions, might be effective measures in improving the mental well-being of migrants.

Objective: There is widespread concern about access to good quality health care for ethnic minority groups. This study investigates differences between ethnic groups regarding prevalence of anxiety and depression, and adherence to treatment guidelines by family practitioners in urban areas in the Netherlands., Method: Data from electronic medical records, collected for the Netherlands Information Network of General Practice. Diagnoses were based on the International Classification of Primary Care. Adherence to guidelines included at least five consultations, prescription of psychotropics for 6 weeks at most (indicative of cessation in case of nonresponse) or 5 months at least (suggesting continuation in case of response), and/or a referral to a mental health care specialist. Data were analyzed using multilevel logistic regression analyses., Results: A total of 6413 patients (4.4% of practice population) were diagnosed with anxiety and/or depression. Prevalence was highest in Turkish patients (5.2%). Of diagnosed patients, 42.9% received guideline-concordant treatment. Only Surinamese/Antillean patients were less likely than ethnic Dutch to receive treatments according to guidelines., Conclusion: Prevalence of and quality of care for anxiety and depression were comparable between ethnic minority clients, but some differences suggest that efforts to educate primary care providers in management of anxiety/depression should be continued and tailored to specific ethnic groups., (Copyright 2010 Elsevier Inc. All rights reserved.)