Abstract
AbstractBackgroundPrevious research has demonstrated a link between objective socio‐economic indicators and cognitive test performance. Although some studies include subjective indicators, such as perceived neighborhood environment, little is known about which specific factors are most strongly associated with cognitive performance and whether these measures are useful beyond traditional SES proxies. Further, in addition to being disproportionately at risk of experiencing neighborhood disadvantage and lower SES, racial/ethnic minorities are more likely to be diagnosed with dementia and receive less timely care compared with White individuals. This study aims to investigate how perceived neighborhood environment and neighborhood disadvantage are related to cognitive performance within a large diverse sample.MethodA probability‐based sample of participants (N = 3858; Female = 59%; Black = 51%; Hispanic = 14%) from the Dallas Heart Study Phase 2 (DHS‐2; Mean: Age = 50, Education = 13) were administered the Montreal Cognitive Assessment (MoCA), in addition to measures of perceptions of neighborhood physical environment and violence, and perceived SES. Multiple regression was used to determine associations of these variables with MoCA scores relative to traditional SES measures (i.e., income, education), controlling for demographic and relevant health factors. Post‐hoc analyses stratified by racial/ethnic group were conducted to determine whether indicators differentially influenced test scores.ResultAfter controlling for socio‐demographic and health factors, reporting lower quality neighborhood resources and difficulty paying for “very basics like food and heating” and “medical care” were associated with lower MoCA scores in the overall sample. Post‐hoc analyses revealed significant relationships between MoCA scores and quality of neighborhood resources, “food and heating,” and “medical care” only in Black participants, while “violence” was significantly associated with lower MoCA scores in Hispanics. There were no significant relationships found in Whites. Overall, subjective measures of SES and neighborhood environment contributed modest variance in the overall model, specifically for Black and Hispanic participants (R 2 = 3% to 5%).ConclusionExperiencing neighborhood and economic adversity was associated with lower scores on a cognitive screening measure and accounted for more variance than income or education in Black individuals and income in Hispanic individuals, while no relationship was seen in White participants. Future research is needed to determine whether these allostatic stressors influence cognitive impairment or dementia later in life.
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