Global reach of ageism on older persons’ health: A systematic review

E-Shien Chang, Sneha Kannoth, Samantha Levy, Shi-Yi Wang, John E Lee and Becca R Levy

PLOS ONE, 2020, vol. 15, issue 1, 1-24

Abstract: Objective: Although there is anecdotal evidence of ageism occurring at both the structural level (in which societal institutions reinforce systematic bias against older persons) and individual level (in which older persons take in the negative views of aging of their culture), previous systematic reviews have not examined how both levels simultaneously influence health. Thus, the impact of ageism may be underestimated. We hypothesized that a comprehensive systematic review would reveal that these ageism levels adversely impact the health of older persons across geography, health outcomes, and time. Method: A literature search was performed using 14 databases with no restrictions on region, language, and publication type. The systematic search yielded 13,691 papers for screening, 638 for full review, and 422 studies for analyses. Sensitivity analyses that adjusted for sample size and study quality were conducted using standardized tools. The study protocol is registered (PROSPERO CRD42018090857). Results: Ageism led to significantly worse health outcomes in 95.5% of the studies and 74.0% of the 1,159 ageism-health associations examined. The studies reported ageism effects in all 45 countries, 11 health domains, and 25 years studied, with the prevalence of significant findings increasing over time (p

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0220857

DOI: 10.1371/journal.pone.0220857

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