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Linear regressions were used to examine multivariable\u2010adjusted associations between later\u2010life cognitive function and continuous and quintile measures of total monetary income (e.g., wages, business income, welfare benefits, pensions) in country\u2010specific and pooled models.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS<\/jats:title>\n                    <jats:p>Log\u2010transformed income shows a significant positive gradient in pooled analyses and in Chile, but not in Mexico. Income\u2010quintile models reveal discontinuities: Significant positive associations appear in the top two quintiles in pooled data and in Chile and in the highest quintile in Mexico. However, cross\u2010country interaction terms are not statistically significant.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>DISCUSSION<\/jats:title>\n                    <jats:p>These comparative analyses advance our knowledge of cognitive aging and highlight cognitive benefits associated with income in Chile and Mexico.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/bsa3.70125","type":"journal-article","created":{"date-parts":[[2026,10,31]],"date-time":"2026-10-31T03:47:12Z","timestamp":1793418432000},"source":"Crossref","is-referenced-by-count":0,"title":["Cognitive function among older adults: income discontinuities in Chile and Mexico"],"prefix":"10.1002","volume":"2","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4894-1435","authenticated-orcid":false,"given":"Sneha Sarah","family":"Mani","sequence":"first","affiliation":[{"name":"Department of Epidemiology Johns Hopkins School of Public Health  Baltimore Maryland USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Magdalena","family":"Delaporte","sequence":"additional","affiliation":[{"name":"Population Studies Center University of Pennsylvania  Philadelphia Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brandon B.","family":"O'Grady","sequence":"additional","affiliation":[{"name":"Department of Population Health Sciences Long School of Medicine, University of Texas Health Sciences  San Antonio Texas USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Javier Arturo","family":"Bardales","sequence":"additional","affiliation":[{"name":"Population Studies Center University of Pennsylvania  Philadelphia Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jere R.","family":"Behrman","sequence":"additional","affiliation":[{"name":"Population Studies Center University of Pennsylvania  Philadelphia Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"Bravo","sequence":"additional","affiliation":[{"name":"Population Studies Center University of Pennsylvania  Philadelphia Pennsylvania USA"},{"name":"Centro UC Encuestas y Estudios Longitudinales Pontificia Universidad Cat\u00f3lica de Chile  Santiago Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Irma T.","family":"Elo","sequence":"additional","affiliation":[{"name":"Population Studies Center University of Pennsylvania  Philadelphia Pennsylvania USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rebeca","family":"Wong","sequence":"additional","affiliation":[{"name":"Department of Population Health Sciences Long School of Medicine, University of Texas Health Sciences  San Antonio Texas USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,10,30]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pmed.1000176"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.arr.2022.101703"},{"key":"e_1_2_10_4_1","unstructured":"Pan American Health Organization.Dementia in Latin America and the Caribbean: Prevalence Incidence Impact and Trends over Time. 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