Neighborhood socioeconomic context and cognitive decline among older mexican Americans: Results from the sacramento area latino study on aging

Adina Zeki Al Hazzouri, Mary N. Haan, Theresa Osypuk, Cleopatra Abdou, Ladson Hinton, Allison E. Aiello

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

In 1 previous study, it was shown that neighborhood socioeconomic disadvantage is associated with cognitive decline among Latinos. No studies have explored whether and to what extent individual-level socioeconomic factors account for the relation between neighborhood disadvantage and cognitive decline. The purpose of the present study was to assess the influence of neighborhood socioeconomic position (SEP) on cognitive decline and examine how individual-level SEP factors (educational level, annual income, and occupation) influenced neighborhood associations over the course of 10 years. Participants (n = 1,789) were community-dwelling older Mexican Americans from the Sacramento Area Latino Study on Aging. Neighborhood SEP was derived by linking the participant's individual data to the 2000 decennial census. The authors assessed cognitive function with the Modified Mini-Mental State Examination. Analyses used 3-level hierarchical linear mixed models of time within individuals within neighborhoods. After adjustment for individual-level sociodemographic characteristics, higher neighborhood SEP was significantly associated with cognitive function (β =-0.033; P < 0.05) and rates of decline (β =-0.0009; P < 0.10). After adjustment for individual educational level, neighborhood SEP remained associated with baseline cognition but not with rates of decline. Differences in individual educational levels explained most of the intra-and interneighborhood variance. These results suggest that the effect of neighborhood SEP on cognitive decline among Latinos is primarily accounted for by education.

Original languageEnglish (US)
Pages (from-to)423-431
Number of pages9
JournalAmerican journal of epidemiology
Volume174
Issue number4
DOIs
StatePublished - Aug 15 2011
Externally publishedYes

Keywords

  • Aging
  • Mexican Americans
  • cognition
  • education
  • residence characteristics

ASJC Scopus subject areas

  • Epidemiology

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