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Featured researches published by Jens Strehle.


International Journal of Methods in Psychiatric Research | 2014

Self-reported utilization of mental health services in the adult German population - evidence for unmet needs? Results of the DEGS1-Mental Health Module (DEGS1-MH)

Simon Mack; Frank Jacobi; Anja Gerschler; Jens Strehle; Michael Höfler; Markus Busch; Ulrike Maske; Ulfert Hapke; Ingeburg Seiffert; Wolfgang Gaebel; Jürgen Zielasek; Wolfgang Maier; Hans-Ulrich Wittchen

This paper provides up‐to‐date data on service use for mental health problems and disorders among adults aged 18‐79 years in Germany derived from the Mental Health Module of the German Health Interview and Examination Survey for Adults (DEGS1‐MH; N=4483). Data are based exclusively on self‐report. Respondents were examined by clinically trained interviewers with a modified version of the Composite International Diagnostic Interview DIA‐X/M‐CIDI to assess diagnoses according to the criteria of DSM‐IV‐TR. Service use, i.e. contact to mental health care services, due to mental health problems was assessed for the past 12 months and lifetime, by type of sector and type of institution. Among respondents with a 12‐month diagnosis of a mental disorder, 23.5% of the women and 11.6% of the men reported any service use in the past 12 months. Service use depends on type of diagnosis, comorbidity and socio‐demographic characteristics. Lowest 12‐month utilization rates were found for substance use disorders (15.6%; lifetime use 37.3%), highest for psychotic disorders (40.5%; lifetime 72.1%). Further, a considerable time lap was found between disorder onset and subsequent service use among the majority of cases with anxiety and mood disorders. This paper provides self‐reported epidemiological data on mental health service use in Germany, complementing administrative statistics and the predecessor mental health module of the German Health Interview and Examination Survey (GHS‐MHS) from 1998. Despite considerable changes in the mental health field in Germany and the existence of a comprehensive mental health care system without major financial barriers, we find no indications of substantially higher utilization rates for mental disorders as compared to other comparable European countries. Further, no indications of major overall changes in utilization rates are apparent. To pinpoint areas with unmet needs, more detailed analyses of the data are needed taking into account type, frequency, and adequacy of service use and treatment of mental disorders. Appropriately matched comparisons with the GHS‐MHS are needed to identify changes in patterns of utilization and interventions by type of disorder. Copyright


International Journal of Methods in Psychiatric Research | 2015

Twelve-months prevalence of mental disorders in the German Health Interview and Examination Survey for Adults - Mental Health Module (DEGS1-MH): a methodological addendum and correction.

Frank Jacobi; Michael Höfler; Jens Strehle; Simon Mack; Anja Gerschler; Lucie Scholl; Markus Busch; Ulfert Hapke; Ulrike Maske; Ingeburg Seiffert; Wolfgang Gaebel; Wolfgang Maier; Michael Wagner; Jürgen Zielasek; Hans-Ulrich Wittchen

We recently published findings in this journal on the prevalence of mental disorders from the German Health Interview and Examination Survey for Adults Mental Health Module (DEGS1‐MH). The DEGS1‐MH paper was also meant to be the major reference publication for this large‐scale German study program, allowing future users of the data set to understand how the study was conducted and analyzed. Thus, towards this goal highest standards regarding transparency, consistency and reproducibility should be applied. After publication, unfortunately, the need for an addendum and corrigendum became apparent due to changes in the eligible reference sample, and corresponding corrections of the imputed data. As a consequence the sample description, sample size and some prevalence data needed amendments. Additionally we identified a coding error in the algorithm for major depression that had a significant effect on the prevalence estimates of depression and associated conditions. This addendum and corrigendum highlights all changes and presents the corrected prevalence tables. Copyright


Journal of Affective Disorders | 2015

Prevalence and correlates of major depressive disorder and dysthymia in an eleven-year follow-up – Results from the Finnish Health 2011 Survey

Niina Markkula; Jaana Suvisaari; Samuli I. Saarni; Sami Pirkola; Sebastián Peña; Suoma E. Saarni; Kirsi Ahola; Aino K. Mattila; Satu Viertiö; Jens Strehle; Seppo Koskinen; Tommi Härkänen

BACKGROUND Up-to-date epidemiological data on depressive disorders is needed to understand changes in population health and health care utilization. This study aims to assess the prevalence of major depressive disorder (MDD) and dysthymia in the Finnish population and possible changes during the past 11 years. METHODS In a nationally representative sample of Finns aged 30 and above (BRIF8901), depressive disorders were diagnosed with the Composite International Diagnostic Interview (M-CIDI) in 2000 and 2011. To account for nonresponse, two methods were compared: multiple imputation (MI) utilizing data from the hospital discharge register and from the interview in 2000 and statistical weighting. RESULTS The MI-corrected 12-month prevalence of MDD was 7.4% (95% CI 5.7-9.0) and of dysthymia was 4.5% (95% CI 3.1-5.9), whereas the corresponding figures using weights were 5.4% (95% CI 4.7-6.1) for MDD and 2.0% (95% CI 1.6-2.4) for dysthymia. Women (OR 2.33, 95% CI 1.6-3.4) and unmarried people (OR 1.54, 95% CI 1.2-2.0) had a higher risk of depressive disorders. There was a significant increase in the prevalence of depressive disorders during the follow-up period from 7.3% in 2000 to 9.6% in 2011. Prevalences were two percentage points higher, on average, when using MI compared to weighting. Hospital treatments for depressive disorders and other mental disorders were strongly associated with nonparticipation. LIMITATIONS The CIDI response rate dropped from 75% in 2000 to 57% in 2011, but this was accounted for by MI and weighting. CONCLUSIONS Depressive disorders are a growing public health concern in Finland. Non-participation of persons with severe mental disorders may bias the prevalence estimates of mental disorders in population-based studies.


British Journal of Psychiatry | 2017

Prevalence of mental disorders in elderly people: the European MentDis_ICF65+ study.

Sylke Andreas; Holger Schulz; Jana Volkert; Maria Christina Dehoust; Susanne Sehner; Anna Suling; Berta Ausín; Alessandra Canuto; Mike J. Crawford; Chiara Da Ronch; Luigi Grassi; Yael Hershkovitz; Manuel Muñoz; Alan Quirk; Ora Rotenstein; Ana Belén Santos-Olmo; Arieh Y. Shalev; Jens Strehle; Kerstin Weber; Karl Wegscheider; Hans-Ulrich Wittchen; Martin Härter

BACKGROUND Except for dementia and depression, little is known about common mental disorders in elderly people. AIMS To estimate current, 12-month and lifetime prevalence rates of mental disorders in different European and associated countries using a standardised diagnostic interview adapted to measure the cognitive needs of elderly people. METHOD The MentDis_ICF65+ study is based on an age-stratified, random sample of 3142 older men and women (65-84 years) living in selected catchment community areas of participating countries. RESULTS One in two individuals had experienced a mental disorder in their lifetime, one in three within the past year and nearly one in four currently had a mental disorder. The most prevalent disorders were anxiety disorders, followed by affective and substance-related disorders. CONCLUSIONS Compared with previous studies we found substantially higher prevalence rates for most mental disorders. These findings underscore the need for improving diagnostic assessments adapted to the cognitive capacity of elderly people. There is a need to raise awareness of psychosocial problems in elderly people and to deliver high-quality mental health services to these individuals.


International Journal of Methods in Psychiatric Research | 2015

Measuring symptoms and diagnosing mental disorders in the elderly community: the test–retest reliability of the CIDI65+

Hans-Ulrich Wittchen; Jens Strehle; Anja Gerschler; Jana Volkert; Maria Christina Dehoust; Susanne Sehner; Karl Wegscheider; Berta Ausín; Alessandra Canuto; Mike Crawford; Chiara Da Ronch; Luigi Grassi; Yael Hershkovitz; Manuel Muñoz; Alan Quirk; Ora Rotenstein; Ana Belén Santos-Olmo; Arieh Y. Shalev; Kerstin Weber; Holger Schulz; Martin Härter; Sylke Andreas

Prevalence findings for the elderly are artificially low, most likely due to insufficient consideration of age‐related cognitive abilities in diagnostic interviews.


European Psychiatry | 2015

Functional disability and quality of life decrements in mental disorders: Results from the Mental Health Module of the German Health Interview and Examination Survey for Adults (DEGS1-MH).

Simon Mack; Frank Jacobi; Katja Beesdo-Baum; Anja Gerschler; Jens Strehle; Michael Höfler; Markus Busch; Ulrike Maske; Ulfert Hapke; Wolfgang Gaebel; Jürgen Zielasek; Wolfgang Maier; Hans-Ulrich Wittchen

BACKGROUND This paper provides nationally representative data on how current and past mental disorders are related to functional disability and health-related quality of life (QoL). METHODS Results are based on a nationally representative sample (DEGS1-MH; n=4483 aged 18-79). Respondents were examined by clinical interviewers with the DSM-IV Composite International Diagnostic Interview (DIA-X/M-CIDI). Functional disability, i.e. number of disability days in the past 4weeks, and QoL, i.e. mental (MCS) and physical (PCS) component scale of the SF-36V2, were examined in subjects with 12-month mental disorders (=active cases [AC]) and compared to (a) subjects who never met diagnostic criteria (=unaffected individuals [UAI]), and (b) those with a history of mental disorders but not meeting the diagnostic criteria in the past 12months (=non-active cases [NAC]; partially or fully remitted). RESULTS In comparison to UAI (mean: 1.9), AC reveals a 2-3 fold disability days/month (5.4, P<.001) and a substantially reduced MCS (UAI: 52.1; AC: 43.3, P<.001). NAC had a similar number of disability days as UAI, but significantly reduced MCS scores (49.9; P<.001). Disability days and QoL decrements were highest in internalizing disorders including somatoform disorders and most pronounced in comorbid cases. CONCLUSIONS By and large, findings of a previous study were confirmed and extended for this nationally representative German sample. 12-month mental disorders, particularly internalizing, including somatoform disorders, are associated with high levels of disability and increased health-related QoL decrements. Partial or complete remission of the mental disorders is associated with a normalization of the numbers of disability days.


European Addiction Research | 2017

Six-Year Outcome of Opioid Maintenance Treatment in Heroin-Dependent Patients: Results from a Naturalistic Study in a Nationally Representative Sample

Michael Soyka; Jens Strehle; Jürgen Rehm; Gerhard Bühringer; Hans-Ulrich Wittchen

Background: In many countries, the opioid agonists, buprenorphine and methadone, are licensed for maintenance treatment of opioid dependence. Many short-term studies have been performed, but little is known about long-term effects. Therefore, this study described over 6 years (1) mortality, retention and abstinence rates and (2) changes in concomitant drug use and somatic and mental health. Methods: A prevalence sample of n = 2,694 maintenance patients, recruited from a nationally representative sample of n = 223 substitution doctors, was evaluated in a 6-year prospective-longitudinal naturalistic study. At 72 months, n = 1,624 patients were assessed for outcome; 1,147 had full outcome data, 346 primary outcome data and 131 had died; 660 individuals were lost to follow-up. Results: The 6-year retention rate was 76.6%; the average mortality rate was 1.1%. During follow-up, 9.4% of patients became “abstinent” and 1.9% were referred for drug-free addiction treatment. Concomitant drug use decreased and somatic health status and social parameters improved. Conclusions: The study provides further evidence for the efficacy and safety of maintenance treatment with opioid agonists. In the long term, the number of opioid-free patients is low and most patients are more or less continuously under opioid maintenance therapy. Further implications are discussed.


BMC Psychiatry | 2017

Lifetime prevalence of mental disorders among first and second generation individuals with Turkish migration backgrounds in Germany

Demet Dingoyan; Holger Schulz; Ulrike Kluge; Simone Penka; Azra Vardar; Alessa von Wolff; Jens Strehle; Hans-Ulrich Wittchen; Uwe Koch; Andreas Heinz; Mike Mösko

BackgroundThis paper focuses on the lifetime prevalence of mental disorders in individuals with Turkish migration backgrounds in Germany, as there is a lack of reliable epidemiological data on this subject.MethodsIn total, 662 adults with Turkish migration backgrounds were interviewed in Hamburg and Berlin by trained, bilingual interviewers using the computerized Composite International Diagnostic Interview (CIDI DIA-X Version 2.8) to assess diagnoses according to the DSM-IVTR.ResultsThe analyses showed a weighted lifetime prevalence of 78.8% for any mental disorder, 21.6% for more than one and 7.3% for five or more disorders. Any mood disorder (41.9%), any anxiety disorder (35.7%) and any somatoform disorder/syndrome (33.7%) had the highest prevalences. Despite the sociodemographic differences between the first and second generations, there were no significant differences in the lifetime prevalence between generations, with the exception of any bipolar disorder. Female gender, older age and no current partnership were significantly associated with the occurrence of any mood disorder.ConclusionsOverall, the results indicate a high lifetime prevalence in individuals with Turkish migration backgrounds in Germany. These initial data are highly relevant to the German clinical and psychosocial healthcare system; however, the methodological limitations and potential biases should be considered when interpreting the results.


BMC Psychiatry | 2017

Acculturation and other risk factors of depressive disorders in individuals with Turkish migration backgrounds

Hanna Janssen-Kallenberg; Holger Schulz; Ulrike Kluge; Jens Strehle; Hans-Ulrich Wittchen; Uwe Wolfradt; Uwe Koch-Gromus; Andreas Heinz; Mike Mösko; Demet Dingoyan

BackgroundAcculturation is a long-term, multi-dimensional process occurring when subjects of different cultures stay in continuous contact. Previous studies have suggested that elevated rates of depression among different migrant groups might be due to patterns of acculturation and migration related risk factors. This paper focused on prevalence rates of depressive disorders and related risk factors among individuals with Turkish migration backgrounds.MethodsA population-based sample of 662 individuals with Turkish migration backgrounds were interviewed by bilingual interviewers using a standardised diagnostic interview for DSM-IV-TR and ICD-10 diagnoses (CIDI DIA-X Version 2.8). Associations between 12-month prevalence rates of depressive disorders with potential risk factors were assessed, including gender, age, socioeconomic status, acculturation status and migration status.Results12-month prevalence rates of any depressive disorder were 29.0%, 14.4% of major depressive disorder (MDD) and 14.7% of dysthymia. Older age and low socioeconomic status were most consistently related to higher risks of depressive disorders. Acculturation status showed associations with subtypes of depressive disorder. Associations differed between men and women. Symptom severity of MDD was linked to gender, with females being more affected by severe symptoms.ConclusionThe prevalence of depressive disorders is high in individuals with Turkish migration backgrounds, which can be partly explained by older age, low socioeconomic status and acculturation pressures. Only a limited number of risk factors were assessed. Acculturation in particular is a complex process which might not be sufficiently represented by the applied measures. Further risk factors have to be identified in representative samples of this migrant group.


American Journal of Geriatric Psychiatry | 2017

Anxiety Disorders in Old Age: Psychiatric Comorbidities, Quality of Life, and Prevalence According to Age, Gender, and Country

Alessandra Canuto; Kerstin Weber; Marc Baertschi; Sylke Andreas; Jana Volkert; Maria Christina Dehoust; Susanne Sehner; Anna Suling; Karl Wegscheider; Berta Ausín; Mike J. Crawford; Chiara Da Ronch; Luigi Grassi; Yael Hershkovitz; Manuel Muñoz; Alan Quirk; Ora Rotenstein; Ana Belén Santos-Olmo; Arieh Y. Shalev; Jens Strehle; Hans-Ulrich Wittchen; Holger Schulz; Martin Härter

OBJECTIVES Previous estimates of the prevalence of anxiety disorders in late life vary greatly due to the lack of reliable diagnostic tools. This MentDis_ICF65+ study assessed 12-month prevalence rates of anxiety disorders and age- and gender-related differences in comorbidities, as well as impact on quality of life. DESIGN The study used a cross-sectional multicenter survey. PARTICIPANTS The study sample comprised 3,142 men and women aged 65 to 84 years, living in five European countries and Israel. MEASUREMENTS Anxiety disorders were assessed using computer-assisted face-to-face interviews with an age-appropriate diagnostic interview (CIDI65+). RESULTS The prevalence of anxiety disorders was 17.2%. Agoraphobia was the most frequent disorder (4.9%), followed by panic disorder (3.8%), animal phobia (3.5%), general anxiety disorder (3.1%), post-traumatic stress disorder (1.4%), social phobia (1.3%), and obsessive-compulsive disorder (0.8%). The prevalence rate of any anxiety disorder dropped by 40% to 47% in adults aged 75-84 years compared with those aged 65-74 years. Women were twice as likely to present with agoraphobia or general anxiety disorder as men. Only panic disorder and phobia were associated with comorbid major depression. The negative relationship with quality of life was limited to agoraphobia and generalized anxiety disorder. CONCLUSIONS The age-appropriate CIDI65+ led to higher prevalence rates of anxiety disorders in the elderly, yet to weaker associations with comorbidities and impaired quality of life compared with previous studies.

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Hans-Ulrich Wittchen

Dresden University of Technology

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Anja Gerschler

Dresden University of Technology

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Frank Jacobi

Dresden University of Technology

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Michael Höfler

Dresden University of Technology

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Simon Mack

Dresden University of Technology

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Wolfgang Gaebel

University of Düsseldorf

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