Abstract summary 

Migrants may have elevated exposure to stressors, which can affect their physical and mental well-being. However, migrants often experience a healthy immigrant effect, the applicability of this phenomena to eating disorders is unknown. We aimed to synthesize the available literature and estimate a summary measure of prevalence odds ratio for eating disorders in migrant populations compared to local populations.A literature search was conducted using MEDLINE, Embase, PsycINFO, and Web of Science with keywords on migration and eating disorders. Inclusion criteria involved using a validated eating disorder scale and having a comparator group. Two independent reviewers performed study screening and data extraction. The NIH Quality Assessment Tool for Observational Cohort and Cross-Sectional Studies was used to assess risk of bias. Random-effects models of meta-analysis were applied to compare eating disorder prevalence between migrants and local populations.There were 10 studies included in our review (meta-analysis = 6, narrative synthesis = 4). Studies provided prevalence estimates for: any eating disorder, binge eating disorder, anorexia nervosa, and bulimia nervosa. Among studies with a diagnostic instrument, the pooled prevalence odds ratio (POR) between migrants and local populations for any eating disorder was 0.45 (95%CI: 0.35-0.59). However, a subgroup analysis of eating disorder instruments among studies using risk assessment tools demonstrated inconsistent findings, with both increases and decreases in prevalence.Migrants were found to have a lower prevalence of eating disorders compared to local populations, supporting the healthy immigrant hypothesis. However, this effect differs between diagnostic and risk assessment tools.

Authors & Co-authors:  Siddiqi Akther Blair Eccles Frangione Keeshan Nagi Colman

Study Outcome 

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