Racial differences in weathering and its associations with psychosocial stress

The CARDIA study

Sarah Forrester, David R Jacobs Jr, Rachel Zmora, Pamela J Schreiner, Veronique Roger, Catarina I. Kiefe

Research output: Contribution to journalArticle

Abstract

Biological age (BA) is a construct that captures accelerated biological aging attributable to “wear and tear” from various exposures; we measured BA and weathering, defined as the difference between BA and chronological age, and their associations with race and psychosocial factors in a middle-aged bi-racial cohort. We used data from the Coronary Artery Risk in Young Adults study (CARDIA), conducted in 4 U.S. cities from 1985–2016 to examine weathering for adults aged 48–60 years. We estimated BA via the Klemera and Doubal method using selected biomarkers. We assessed overall and race-specific associations between weathering and psychosocial measures. For the 2694 participants included, Blacks had a BA (SD) that was 2.6 (11.8) years older than their chronological age while the average BA among Whites was 3.5 (10.0) years younger than their chronological age (Blacks weathered 6.1 years faster than Whites). Belonging to more social groups was associated with less weathering in Blacks but not Whites, and after multivariable adjustment, lower SES and more depressive symptoms were associated with more weathering among Blacks than among Whites. We confirmed racial differences in weathering, and newly documented that similar psychosocial factors may take a greater toll on the biological health of Blacks than Whites.

Original languageEnglish (US)
Article number100319
JournalSSM - Population Health
Volume7
DOIs
StatePublished - Apr 1 2019

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Psychology
Social Adjustment
Tears
Young Adult
Coronary Vessels
psychosocial factors
Biomarkers
Depression
Health
wear and tear
hydroquinone
young adult
health

Keywords

  • Biological age
  • Psychosocial factors racial disparity
  • Weathering

PubMed: MeSH publication types

  • Journal Article

Cite this

Racial differences in weathering and its associations with psychosocial stress : The CARDIA study. / Forrester, Sarah; Jacobs Jr, David R; Zmora, Rachel; Schreiner, Pamela J; Roger, Veronique; Kiefe, Catarina I.

In: SSM - Population Health, Vol. 7, 100319, 01.04.2019.

Research output: Contribution to journalArticle

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