biostudies-literatureAnstey KJMedical Research CouncilS165-S186https://www.ebi.ac.uk/biostudies/studies/S-EPMC6700718biostudies-literatureUnknown70(s1)<h4>Background</h4>The translation of evidence on dementia risk factors into clinical advice requires careful evaluation of the methodology and scope of data from which risk estimates are obtained.<h4>Objective</h4>To evaluate the quantity, quality, and representativeness of evidence, we conducted a review of reviews of risk factors for Alzheimer's disease (AD), Vascular dementia (VaD), and Any Dementia.<h4>Methods</h4>PubMed, Cochrane library, and the Global Index Medicus were searched to identify meta-analyses of observational studies of risk factors for AD, VaD, and Any Dementia. PROSPERO CRD42017053920.<h4>Results</h4>Meta-analysis data were available for 34 risk factors for AD, 26 risk factors for Any Dementia and eight for VaD. Quality of evidence varied greatly in terms of the numbeJournal of Alzheimer's disease : JADA Systematic Review of Meta-Analyses that Evaluate Risk Factors for Dementia to Evaluate the Quantity, Quality, and Global Representativeness of Evidence.PMC6700718G0500997MR/J50001X/1Peters RJagger CAnstey KJEramudugolla REe NfalseA Systematic Review of Meta-Analyses that Evaluate Risk Factors for Dementia to Evaluate the Quantity, Quality, and Global Representativeness of Evidence.<h4>Background</h4>The translation of evidence on dementia risk factors into clinical advice requires careful evaluation of the methodology and scope of data from which risk estimates are obtained.<h4>Objective</h4>To evaluate the quantity, quality, and representativeness of evidence, we conducted a review of reviews of risk factors for Alzheimer's disease (AD), Vascular dementia (VaD), and Any Dementia.<h4>Methods</h4>PubMed, Cochrane library, and the Global Index Medicus were searched to identify meta-analyses of observational studies of risk factors for AD, VaD, and Any Dementia. PROSPERO CRD42017053920.<h4>Results</h4>Meta-analysis data were available for 34 risk factors for AD, 26 risk factors for Any Dementia and eight for VaD. Quality of evidence varied greatly in terms of the numbe2019-01-01T00:00:00Z20192026-05-07T08:45:17.556Z2019-09-07T07:01:17ZS-EPMC67007183130612310.3233/JAD-190181