Course of post-traumatic stress disorder and health care utilisation among resettled refugees in the Netherlands

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Abstract

Background

Post-traumatic stress disorder (PTSD) is a major health problem among refugees worldwide. After resettlement, the prevalence of PTSD remains high despite the fact that various PTSD treatments are known to be effective.

Methods

We examined the course of PTSD and the role of mental health care utilisation at a 7-year interval (2003–2010) among a cohort of refugees from Iran, Afghanistan, and Somalia after resettlement in the Netherlands.

Results

The unchanged high prevalence of PTSD (16.3% in 2003 and 15.2% in 2010) was attributable in part to late onset of PTSD symptoms (half of the respondents with PTSD at T2 were new cases for whom PTSD developed after 2003). The second reason concerned the low use of mental health care services at T1. Whereas the multivariate analyses showed the effectiveness of mental health care, only 21% of respondents with PTSD at T1 had had contact with a mental health care provider at that time. Use of mental health care during the first wave increased the odds of improvement in PTSD symptoms between both measurements (OR 7.58, 95% CI 1.01; 56.85).

Conclusions

The findings of this study suggest there are two possible explanations for the persistently high prevalence of PTSD among refugees. One is the late onset of PTSD and the other is the low utilisation of mental health care. Health care professionals should be aware of these issues, especially given the effectiveness of mental health care for this condition.

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Most cited references 30

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Anxiety, depression and PTSD in asylum-seekers: assocations with pre-migration trauma and post-migration stressors.

D Silove, I Sinnerbrink, A. Field … (1997)

Research into the mental health of refugees has burgeoned in recent times, but there is a dearth of studies focusing specifically on the factors associated with psychiatric distress in asylum-seekers who have not been accorded residency status. Forty consecutive asylum-seekers attending a community resource centre in Sydney, Australia, were interviewed using structured instruments and questionnaires. Anxiety scores were associated with female gender, poverty, and conflict with immigration officials, while loneliness and boredom were linked with both anxiety and depression. Thirty subjects (79%) had experienced a traumatic event such as witnessing killings, being assaulted, or suffering torture and captivity, and 14 subjects (37%) met full criteria for PTSD. A diagnosis of PTSD was associated with greater exposure to pre-migration trauma, delays in processing refugee applications, difficulties in dealing with immigration officials, obstacles to employment, racial discrimination, and loneliness and boredom. Although based on correlational data derived from'a convenient' sample, our findings raise the possibility that current procedures for dealing with asylum-seekers may contribute to high levels of stress and psychiatric symptoms in those who have been previously traumatised.

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Mental health of Cambodian refugees 2 decades after resettlement in the United States.

Grant Marshall, Terry Schell, Marc Elliott … (2005)

Little is known about the long-term mental health of trauma-exposed refugees years after permanent resettlement in host countries. To assess the prevalence, comorbidity, and correlates of psychiatric disorders in the US Cambodian refugee community. A cross-sectional, face-to-face interview conducted in Khmer language on a random sample of households from the Cambodian community in Long Beach, Calif, the largest such community in the United States, between October 2003 and February 2005. A total of 586 adults aged 35 to 75 years who lived in Cambodia during the Khmer Rouge reign and immigrated to the United States prior to 1993 were selected. One eligible individual was randomly sampled from each household, with an overall response rate (eligibility screening and interview) of 87% (n = 490). Exposure to trauma and violence before and after immigration (using the Harvard Trauma Questionnaire and Survey of Exposure to Community Violence); weighted past-year prevalence rates of posttraumatic stress disorder (PTSD) and major depression (using the Composite International Diagnostic Interview version 2.1); and alcohol use disorder (by the Alcohol Use Disorders Identification Test). All participants had been exposed to trauma before immigration. Ninety-nine percent (n = 483) experienced near-death due to starvation and 90% (n = 437) had a family member or friend murdered. Seventy percent (n = 338) reported exposure to violence after settlement in the United States. High rates of PTSD (62%, weighted), major depression (51%, weighted), and low rates of alcohol use disorder were found (4%, weighted). PTSD and major depression were highly comorbid in this population (n = 209; 42%, weighted) and each showed a strong dose-response relationship with measures of traumatic exposure. In bivariate analyses, older age, having poor English-speaking proficiency, unemployment, being retired or disabled, and living in poverty were also associated with higher rates of PTSD and major depression. Following multivariate analyses, premigration trauma remained associated with PTSD (odds ratio [OR], 2.08; 95% CI, 1.37-3.16) and major depression (OR, 1.56; 95% CI, 1.24-1.97); postmigration trauma with PTSD (OR, 1.65; 95% CI, 1.21-2.26) and major depression (OR, 1.45; 95% CI, 1.12-1.86); and older age with PTSD (OR, 1.76; 95% CI, 1.46-2.13) and major depression (OR, 1.47; 95% CI, 1.15-1.89). More than 2 decades have passed since the end of the Cambodian civil war and the subsequent resettlement of refugees in the United States; however, this population continues to have high rates of psychiatric disorders associated with trauma.

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Long-term effect of psychological trauma on the mental health of Vietnamese refugees resettled in Australia: a population-based study.

Derrick Silove, Adrian E. Bauman, Zachary Steel … (2002)

What are the deleterious effects of mass trauma on the psychological wellbeing of refugees and other war-affected populations? Most epidemiological data are for short-to-medium term effects, leaving the possibility that early psychological reactions could reduce naturally over time. We aimed to assess the long-term effects of trauma on mental health and disability in Vietnamese refugees resettled in Australia. In a population-based study, we identified a community sample of 1413 adult Vietnamese from census collection areas in Sydney, Australia. Participants were interviewed by trained bilingual workers who administered questionnaires to assess the frequency of international classification of disease, version 10 (ICD-10) mental disorders in the 12 months before interview; psychiatric symptoms, by use of a culturally-sensitive symptom measure; exposure to psychologically traumatic events; disability and use of health services; and social, economic, and cultural factors since migration. We did multivariate analyses with adjustment for stressors since migration to establish the risk factors for mental illness. 1161 (82%) adults completed the interview. Mean length of residence in Australia was 11.2 years (SD 14.4) and mean time since the most severe traumatic event was 14.8 years (SD 10.8). 95 (8%) and 75 (7%) of participants had mental disorders defined by ICD-10 and the culturally-sensitive measure, respectively. Trauma exposure was the most important predictor of mental health status. Risk of mental illness fell consistently across time. However, people who had been exposed to more than three trauma events (199) had heightened risk of mental illness (23, [12%]) after 10 years compared with people with no trauma exposure (13, [3%]) (odds ratio 4.7, p<0.0001, 95% CI 2.3-9.5). Most Vietnamese refugees were free from overt mental ill health. Trauma-related mental illness seemed to reduce steadily over time, but a subgroup of people with a high degree of exposure to trauma had long-term psychiatric morbidity. Our findings support the need to develop specialised mental health services to reduce disability in refugees whose exposure to extreme trauma puts them at risk of chronic psychiatric disability.

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Author and article information

Contributors

Majda Lamkaddem

Karien Stronks

Walter D Devillé

Miranda Olff

Annette AM Gerritsen

Marie-Louise Essink-Bot

Journal

Journal ID (nlm-ta): BMC Psychiatry

Journal ID (iso-abbrev): BMC Psychiatry

Title: BMC Psychiatry

Publisher: BioMed Central

ISSN (Electronic): 1471-244X

Publication date Collection: 2014

Publication date (Electronic): 27 March 2014

Volume: 14

Page: 90

Affiliations

[1 ]Department of Public Health, Faculty of Medicine, University of Amsterdam, Amsterdam, the Netherlands

[2 ]Netherlands Institute for Health Services Research (NIVEL), Utrecht, the Netherlands

[3 ]Medical Anthropology and Sociology Unit, Faculty of Social and Behavioural Sciences, University of Amsterdam, Amsterdam, the Netherlands

[4 ]Pharos, Utrecht, the Netherlands

[5 ]Center for Psychological Trauma, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands & Arq Psychotrauma Expert Group, Diemen, the Netherlands

[6 ]Epi Results, Louis Trichardt, South Africa

Article

Publisher ID: 1471-244X-14-90

DOI: 10.1186/1471-244X-14-90

PMC ID: 3986925

PubMed ID: 24670251

SO-VID: 82eae9c8-f24e-4d6f-8e4c-86ec3a7e7461

License:

This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.

Course of post-traumatic stress disorder and health care utilisation among resettled refugees in the Netherlands

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Most cited references 30

Anxiety, depression and PTSD in asylum-seekers: assocations with pre-migration trauma and post-migration stressors.

Mental health of Cambodian refugees 2 decades after resettlement in the United States.

Long-term effect of psychological trauma on the mental health of Vietnamese refugees resettled in Australia: a population-based study.

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