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The aims of this systematic review were to(i) determine the effectiveness of lay-led, groupbased,self-management interventions in improvingcognitive and physiological outcomes for minorityethnic participants residing in high-income countriesand (ii) explore the relationship betweencultural and structural adaptations to interventionsand adherence to and effectiveness for minorityethnic populations.The Cochrane Library, Medline, CINAHL,EMBASE, ISI Web of Knowledge, Science Direct,Literatura Latino Americana em Cieˆncias da Sau´ de(LILACS) and Sociological Abstracts were searchedfrom inception or 1948 to July 2013. Study selection,data abstraction and quality assessment werecarried out in duplicate. We included quantitativepapers reporting results from randomised controlledtrials, non-randomised controlled trials and prepoststudies written in English only. We included 28studies with an overall sample of 6,087 participants.Interventions led to short-term improvementsin participants’ self-efficacy, cognitive symptom management, self-rated health and frequency of exercise.There were small but statistically significantimprovements in clinical measures in HbA1c, BMI,weight loss and systolic blood pressure; however,they were not maintained in the medium-term postintervention.Lay-led, group-based, self-management interventionsfor minority ethnic populations in highincomecountries can lead to short-term improvementsfor participants living with chronic diseases.Cultural and structural modifications perceived toinfluence outcomemeasures used ethnicallymatchedlay people, delivered material in the target population’slanguage, provided ethnically specific culturalfood/activities/music and addressed emotional wellbeing.A set of criteria for reporting lay-led,culturally tailored inventions is presented thatwould make it easier to determine the effectivenessof interventions using meta-analysis.
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Author(s): Paramjit Gill Manbinder S Sidhu Nicola K Gale Tom Marshall Beck Taylor Kate Jolly
lay-led group-based, lay-led group-based