{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T14:00:32Z","timestamp":1787061632614,"version":"build-2736575974"},"reference-count":30,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2014,7,18]],"date-time":"2014-07-18T00:00:00Z","timestamp":1405641600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"funder":[{"DOI":"10.13039\/100000049","name":"National Institute on Aging","doi-asserted-by":"publisher","award":["AG03438501"],"award-info":[{"award-number":["AG03438501"]}],"id":[{"id":"10.13039\/100000049","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000065","name":"National Institute of Neurological Disorders and Stroke","doi-asserted-by":"publisher","award":["T32 NS048005"],"award-info":[{"award-number":["T32 NS048005"]}],"id":[{"id":"10.13039\/100000065","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Brain and Behavior"],"published-print":{"date-parts":[[2014,9]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>\n                      To determine whether a polygenic risk score for Alzheimer's disease (\n                      <jats:styled-content style=\"fixed-case\">AD<\/jats:styled-content>\n                      ) predicts dementia probability and memory functioning in non\u2010Hispanic black (\n                      <jats:styled-content style=\"fixed-case\">NHB<\/jats:styled-content>\n                      ) and non\u2010Hispanic white (\n                      <jats:styled-content style=\"fixed-case\">NHW<\/jats:styled-content>\n                      ) participants from a sample not used in previous genome\u2010wide association studies.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Non\u2010Hispanic white and\n                      <jats:styled-content style=\"fixed-case\">NHB<\/jats:styled-content>\n                      Health and Retirement Study (\n                      <jats:styled-content style=\"fixed-case\">HRS<\/jats:styled-content>\n                      ) participants provided genetic information and either a composite memory score (\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a010,401) or a dementia probability score (\n                      <jats:italic>n<\/jats:italic>\n                      \u00a0=\u00a07690). Dementia probability score was estimated for participants' age 65+ from 2006 to 2010, while memory score was available for participants age 50+. We calculated\n                      <jats:styled-content style=\"fixed-case\">AD<\/jats:styled-content>\n                      genetic risk scores (\n                      <jats:styled-content style=\"fixed-case\">AD<\/jats:styled-content>\n                      \u2010\n                      <jats:styled-content style=\"fixed-case\">GRS<\/jats:styled-content>\n                      ) based on 10 polymorphisms confirmed to predict\n                      <jats:styled-content style=\"fixed-case\">AD<\/jats:styled-content>\n                      , weighting alleles by beta coefficients reported in AlzGene meta\u2010analyses. We used pooled logistic regression to estimate the association of the\n                      <jats:styled-content style=\"fixed-case\">AD<\/jats:styled-content>\n                      \u2010\n                      <jats:styled-content style=\"fixed-case\">GRS<\/jats:styled-content>\n                      with dementia probability and generalized linear models to estimate its effect on memory score.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Each 0.10 unit change in the\n                      <jats:styled-content style=\"fixed-case\">AD<\/jats:styled-content>\n                      \u2010\n                      <jats:styled-content style=\"fixed-case\">GRS<\/jats:styled-content>\n                      was associated with larger relative effects on dementia among\n                      <jats:styled-content style=\"fixed-case\">NHW<\/jats:styled-content>\n                      aged 65+ (\n                      <jats:styled-content style=\"fixed-case\">OR<\/jats:styled-content>\n                      \u00a0=\u00a02.22; 95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      : 1.79, 2.74;\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0&lt;\u00a00.001) than\n                      <jats:styled-content style=\"fixed-case\">NHB<\/jats:styled-content>\n                      (\n                      <jats:styled-content style=\"fixed-case\">OR<\/jats:styled-content>\n                      =1.33; 95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      : 1.00, 1.77;\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0=\u00a00.047), although additive effect estimates were similar. Each 0.10 unit change in the\n                      <jats:styled-content style=\"fixed-case\">AD<\/jats:styled-content>\n                      \u2010\n                      <jats:styled-content style=\"fixed-case\">GRS<\/jats:styled-content>\n                      was associated with a \u22120.07 (95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      : \u22120.09, \u22120.05;\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0&lt;\u00a00.001)\n                      <jats:styled-content style=\"fixed-case\">SD<\/jats:styled-content>\n                      difference in memory score among\n                      <jats:styled-content style=\"fixed-case\">NHW<\/jats:styled-content>\n                      aged 50+, but no significant differences among\n                      <jats:styled-content style=\"fixed-case\">NHB<\/jats:styled-content>\n                      (\n                      <jats:italic>\u03b2\u00a0<\/jats:italic>\n                      =\u00a0\u22120.01; 95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      : \u22120.04, 0.01;\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0=\u00a00.546). [Correction added on 29 July 2014, after first online publication: confidence intervals\nhave been amended.] The estimated effect of the\n                      <jats:styled-content style=\"fixed-case\">GRS<\/jats:styled-content>\n                      was significantly smaller among\n                      <jats:styled-content style=\"fixed-case\">NHB<\/jats:styled-content>\n                      than\n                      <jats:styled-content style=\"fixed-case\">NHW<\/jats:styled-content>\n                      (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0&lt;\u00a00.05) for both outcomes.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>\n                      This analysis provides evidence for differential relative effects of the\n                      <jats:styled-content style=\"fixed-case\">GRS<\/jats:styled-content>\n                      on dementia probability and memory score among\n                      <jats:styled-content style=\"fixed-case\">NHW<\/jats:styled-content>\n                      and\n                      <jats:styled-content style=\"fixed-case\">NHB<\/jats:styled-content>\n                      in a new, national data set.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/brb3.248","type":"journal-article","created":{"date-parts":[[2014,7,18]],"date-time":"2014-07-18T07:53:44Z","timestamp":1405670024000},"page":"687-697","source":"Crossref","is-referenced-by-count":62,"title":["Validation of a polygenic risk score for dementia in black and white individuals"],"prefix":"10.1002","volume":"4","author":[{"given":"Jessica R.","family":"Marden","sequence":"first","affiliation":[{"name":"Department of Social and Behavioral Sciences Harvard School of Public Health 677 Huntington Ave Boston Massachusetts 02115"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefan","family":"Walter","sequence":"additional","affiliation":[{"name":"Department of Social and Behavioral Sciences Harvard School of Public Health 677 Huntington Ave Boston Massachusetts 02115"},{"name":"Department of Epidemiology and Biostatistics University of California at San Francisco San Francisco California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eric J.","family":"Tchetgen Tchetgen","sequence":"additional","affiliation":[{"name":"Department of Biostatistics Harvard School of Public Health 677 Huntington Ave Boston Massachusetts 02115"},{"name":"Department of Epidemiology Harvard School of Public Health 677 Huntington Ave Boston Massachusetts 02115"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ichiro","family":"Kawachi","sequence":"additional","affiliation":[{"name":"Department of Social and Behavioral Sciences Harvard School of Public Health 677 Huntington Ave Boston Massachusetts 02115"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M. 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