Faculty Opinions recommendation of A meta-analysis of the risk for psychotic disorders among first- and second-generation immigrants.

Author(s):  
Giampaolo Perna ◽  
Giulia Borriello
2010 ◽  
Vol 41 (5) ◽  
pp. 897-910 ◽  
Author(s):  
F. Bourque ◽  
E. van der Ven ◽  
A. Malla

BackgroundThere is increasing acceptance of migration as a risk factor for schizophrenia and related disorders; however, the magnitude of the risk among second-generation immigrants (SGIs) remains unclear. Generational differences in the incidence of psychotic disorders among migrants might improve our understanding of the relationship between migration, ethnicity and psychotic disorders. This meta-analysis aimed at determining the risk of psychotic disorders among SGIs in comparison with non-migrants and first-generation immigrants (FGIs).MethodMedline, EMBASE and PsycINFO databases were searched systematically for population-based studies on migration and psychotic disorders published between 1977 and 2008. We also contacted experts, tracked citations and screened bibliographies. All potential publications were screened by two independent reviewers in a threefold process. Studies were included in the meta-analysis if they reported incidence data, differentiated FGIs from SGIs and provided age-adjusted data. Data extraction and quality assessment were conducted for each study.ResultsTwenty-one studies met all inclusion criteria. A meta-analysis of 61 effect sizes for FGIs and 28 for SGIs yielded mean-weighted incidence rate ratios (IRRs) of 2.3 [95% confidence interval (CI) 2.0–2.7] for FGIs and 2.1 (95% CI 1.8–2.5) for SGIs. There was no significant risk difference between generations, but there were significant differences according to ethno-racial status and host country.ConclusionsThe increased risk of schizophrenia and related disorders among immigrants clearly persists into the second generation, suggesting that post-migration factors play a more important role than pre-migration factors or migration per se. The observed variability suggests that the risk is mediated by the social context.


2017 ◽  
Vol 210 (3) ◽  
pp. 182-189 ◽  
Author(s):  
Irina Mindlis ◽  
Paolo Boffetta

BackgroundAlthough there are consistent reports of higher psychosis rates among immigrants, the information on mood disorders is limited.AimsTo review and quantify the difference in incidence of mood disorders in first- and second-generation immigrant (FGI and SGI) groupsv.non-immigrants.MethodPubMed, EMBASE and PsycINFO were searched for articles from cohort studies reporting incidence of mood disorders among FGIs and SGIs.ResultsEighteen studies met our inclusion criteria. The summary relative risk (RR) for FGIs was 1.25 (95% CI 1.11–1.41), based on 17 effect sizes and 6120 cases, and 1.16 (95% CI 0.96–1.40) for SGIs based on three effect sizes. Men seemed at higher risk (RR = 1.29, 95% CI 1.06–1.56).ConclusionsClinicians should view FGIs as a group at risk of mood disorders, especially men. Further research is needed to understand immigrants' risk, especially in SGI.


2020 ◽  
pp. 144078332093415
Author(s):  
Yao-Tai Li

Immigrants of the 1.5-generation (1.5-ers) differ from first- and second-generation immigrants because they are generally better immersed in the culture of the host society than the first generation; yet, compared to the second generation, they often have to renegotiate their identities in relation to parents, colleagues at work, and people in the host society during the processes of migration. Drawing on interview data from Taiwanese 1.5-ers in Australia, this article takes a further step and points out that in addition to the identity struggle between home and host country, Taiwanese 1.5-ers also identify as ethnic Chinese (Huaren) and constantly negotiate between these three identities (Huaren, Taiwanese, and Australian). This article argues that identity negotiation and hybridization is in nature a re-politicization process in which respondents are fully aware of the political meanings and power disparities of each identity. It is also a process whereby Taiwanese 1.5-ers mobilize, downplay, and hybridize specific identities based on time and context.


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