The prevalence of depression and anxiety disorders in indigenous people of the Americas: a systematic review and meta-analysis

Kisely, Steve, Alichniewicz, Karolina Katarzyna, Black, Emma B., Siskind, Dan, Spurling, Geoffrey and Toombs, Maree (2017) The prevalence of depression and anxiety disorders in indigenous people of the Americas: a systematic review and meta-analysis. Journal of Psychiatric Research, 84 137-152. doi:10.1016/j.jpsychires.2016.09.032

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Author Kisely, Steve
Alichniewicz, Karolina Katarzyna
Black, Emma B.
Siskind, Dan
Spurling, Geoffrey
Toombs, Maree
Title The prevalence of depression and anxiety disorders in indigenous people of the Americas: a systematic review and meta-analysis
Journal name Journal of Psychiatric Research   Check publisher's open access policy
ISSN 1879-1379
0022-3956
Publication date 2017-01-01
Year available 2016
Sub-type Critical review of research, literature review, critical commentary
DOI 10.1016/j.jpsychires.2016.09.032
Open Access Status File (Author Post-print)
Volume 84
Start page 137
End page 152
Total pages 16
Place of publication Kidlington, Oxford, United Kingdom
Publisher Pergamon Press
Collection year 2018
Language eng
Formatted abstract
Indigenous populations are considered at higher risk of psychiatric disorder but many studies do not include direct comparisons with similar non-Indigenous controls. We undertook a meta-analysis of studies that compared the prevalence of depression and anxiety disorders in Indigenous populations in the Americas with those of non-Indigenous groups with similar socio-demographic features (Registration number: CRD42015025854). A systematic search of PubMed, Medline, PsycInfo, PsycArticles, ScienceDirect, EMBASE, and article bibliographies was performed. We included comparisons of lifetime rates and prevalence of up to 12 months. We found 19 studies (n = 250, 959) from Latin America, Canada and the US. There were no differences between Indigenous and similar non-Indigenous groups in the 12-month prevalence of depressive, generalised anxiety and panic disorders. However, Indigenous people were at greater risk of PTSD. For lifetime prevalence, rates of generalised anxiety, panic and all the depressive disorders were significantly lower in Indigenous participants, whilst PTSD (on adjusted analyses) and social phobia were significantly higher. Results were similar for sub-analyses of Latin America, Canada and the US, and sensitivity analyses by study quality or setting (e.g. health, community etc.). Risk factors for psychiatric illness may therefore be a complex interaction of biological, educational, economic and socio-cultural factors that may vary between disorders. Accordingly, interventions should reflect that the association between disadvantage and psychiatric illness is rarely due to one factor. However, it is also possible that assessment tools don't accurately measure psychiatric symptoms in Indigenous populations and that further cross-cultural validation of diagnostic instruments may be needed too.
Keyword Anxiety
Depression
Indigenous people
Mental health disorders
Mood disorder
Post-traumatic stress disorder
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Critical review of research, literature review, critical commentary
Collections: HERDC Pre-Audit
School of Medicine Publications
 
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