Illness perceptions and explanatory models of viral hepatitis B and C among immigrants and refugees: a narrative systematic reviewReportar como inadecuado

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BMC Public Health

, 15:151

Infectious Disease epidemiology


BackgroundHepatitis B and C HBV, HCV infections are associated with high morbidity and mortality. Many countries with traditionally low prevalence such as UK are now planning interventions screening, vaccination, and treatment of high-risk immigrants from countries with high prevalence. This review aimed to synthesise the evidence on immigrants’ knowledge of HBV and HCV that might influence the uptake of clinical interventions. The review was also used to inform the design and successful delivery of a randomised controlled trial of targeted screening and treatment.

MethodsFive databases PubMed, CINHAL, SOCIOFILE, PsycINFO and Web of Science were systematically searched, supplemented by reference tracking, searches of selected journals, and of relevant websites. We aimed to identify qualitative and quantitative studies that investigated knowledge of HBV and HCV among immigrants from high endemic areas to low endemic areas. Evidence, extracted according to a conceptual framework of Kleinman’s explanatory model, was subjected to narrative synthesis. We adapted the PEN-3 model to categorise and analyse themes, and recommend strategies for interventions to influence help-seeking behaviour.

ResultsWe identified 51 publications including quantitative n = 39, qualitative n = 11, and mixed methods n = 1 designs. Most of the quantitative studies included small samples and had heterogeneous methods and outcomes. The studies mainly concentrated on hepatitis B and ethnic groups of South East Asian immigrants residing in USA, Canada, and Australia. Many immigrants lacked adequate knowledge of aetiology, symptoms, transmission risk factors, prevention strategies, and treatment, of hepatitis HBV and HCV. Ethnicity, gender, better education, higher income, and English proficiency influenced variations in levels and forms of knowledge.

ConclusionImmigrants are vulnerable to HBV and HCV, and risk life-threatening complications from these infections because of poor knowledge and help-seeking behaviour. Primary studies in this area are extremely diverse and of variable quality precluding meta-analysis. Further research is needed outside North America and Australia.

KeywordsHepatitis B Hepatitis C Local knowledge Perceptions Attitudes Migrants Immigrants Electronic supplementary materialThe online version of this article doi:10.1186-s12889-015-1476-0 contains supplementary material, which is available to authorized users.

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Autor: John A Owiti - Trisha Greenhalgh - Lorna Sweeney - Graham R Foster - Kamaldeep S Bhui


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