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Assessment of carotid intima-media thickness (cIMT), a noninvasive screening tool and can be used as biomarker to assess increased CVD risk. Few studies have examined environmental contaminant body burden and its association with cIMT.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Data from the Environment-and-Health Study in the\n                      <jats:italic>Eeyou Istchee<\/jats:italic>\n                      territory of northern Qu\u00e9bec, Canada was used to assess complex body burden mixtures of POPs, metals and metalloids among (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u2009535) Indigenous people between 15 and 87\u2009years of age with cIMT. First, Principal Component Analysis (PCA) was used to reduce the complexity of the contaminant data. Second, based on the underlying PCA profiles from the biological data, we examined each of the prominent principal component (PC) axes on cIMT using multivariable linear regression models. Lastly, based on these PC axes, cIMT was also regressed on summed (\u03a3) organic compound concentrations, polychlorinated biphenyl, perfluorinated compounds, respectively, \u221110 OCs, \u221113 PCBs, \u22113PFCs, and nickel.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Most organochlorines and PFCs loaded primarily on PC-1 (53% variation). Nickel, selenium, and cadmium were found to load on PC-5. Carotid-IMT was significantly associated with PC-1\n                      <jats:italic>\u03b2<\/jats:italic>\n                      \u2009=\u20090.004\u00a0(95\u2009%\u2009\n                      <jats:italic>CI<\/jats:italic>\n                      \u00a00.001,\u20090.007), and PC-5\n                      <jats:italic>\u03b2<\/jats:italic>\n                      \u2009=\u20090.013\u00a0(95\u2009%\u2009\n                      <jats:italic>CI<\/jats:italic>\n                      \u00a00.002,\u20090.023). However, the association appears to be greater for PC-5, accounting for 3% of the variation, and mostly represented by nickel. Results show that that both nickel, and \u22113PFCs were similarly associated with cIMT\n                      <jats:italic>\u03b2<\/jats:italic>\n                      \u2009=\u20090.001\u00a0(95\u2009%\u2009\n                      <jats:italic>CI<\/jats:italic>\n                      \u00a00.0003,\u20090.003), and\n                      <jats:italic>\u03b2<\/jats:italic>\n                      \u2009=\u20090.001\u00a0(95\u2009%\u2009\n                      <jats:italic>CI<\/jats:italic>\n                      \u00a00.0004,\u20090.002), respectively. But \u221110OCs was significantly associated with a slightly greater\n                      <jats:italic>\u03b2<\/jats:italic>\n                      \u2009=\u20090.004\u00a0(95\u2009%\u2009\n                      <jats:italic>CI<\/jats:italic>\n                      \u00a00.001,\u20090.007) cIMT change, though with less precision. Lastly, \u221113PCBs also increased\n                      <jats:italic>\u03b2<\/jats:italic>\n                      \u2009=\u20090.002\u00a0(95\u2009%\u2009\n                      <jats:italic>CI<\/jats:italic>\n                      \u00a00.0004,\u20090.003) cIMT after fully adjusting for covariates.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>\n                      Our results suggest that environmental contaminants are associated with cIMT. This is important for the Cree from the\n                      <jats:italic>Eeyou Istchee<\/jats:italic>\n                      territory who may experience higher body burdens of contaminants than non-Indigenous Canadians.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12872-019-1246-5","type":"journal-article","created":{"date-parts":[[2019,12,12]],"date-time":"2019-12-12T13:02:35Z","timestamp":1576155755000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Complex contaminant mixtures and their associations with intima-media thickness"],"prefix":"10.1186","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4579-4775","authenticated-orcid":false,"given":"Eric N.","family":"Liberda","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aleksandra M.","family":"Zuk","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leonard J. 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