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Interpersonal-level discrimination indices, sociodemographic factors, and telomere length in African-Americans and Whites.

Abstract：

OBJECTIVE:Studies have linked self-reported discrimination to telomere attrition, a biological marker of accelerated cellular aging. However, it is unknown whether intersections between social categories-race, socioeconomic status (SES), sex, and age-influence the association of varying forms of discrimination with telomere length. We examined these associations in a socioeconomically and racially/ethnically diverse urban sample. METHODS:Cross-sectional data were from 341 middle-aged (30-64 years) African American and White, community participants in the Healthy Aging in Neighborhoods of Diversity across the Life Span Study (HANDLS). Multiple regression models examined up to 3-way interactions between a discrimination measure (i.e., everyday, racial, gender, lifetime burden, and frequency of discrimination across sources) and two social categories. RESULTS:After adjusting for depressive symptoms, waist circumference, and lifetime substance use, two themes emerged: 1) among women with higher SES, a) greater lifetime discrimination burden (b = -0.23, p =  .011), gender discrimination (b = -0.29, p =  .040), and racial discrimination (b = -0.24, p = 0.023) and 2) among younger adults, irrespective of race and sex, greater frequency of discrimination across sources (b = 0.002, p =  .008) was associated with shorter telomeres. CONCLUSIONS:Irrespective of race, women with higher SES and younger adults reporting greater discrimination may be at particular risk for accelerated aging. Telomere attrition promotes and accelerates chronic health conditions for which there are health disparities. Future research explicating intersections among specific discrimination indices and social categories is warranted.

journal_name

Biol Psychol

journal_title

Biological psychology

authors

Beatty Moody DL,Leibel DK,Darden TM,Ashe JJ,Waldstein SR,Katzel LI,Liu HB,Weng NP,Evans MK,Zonderman AB

doi

10.1016/j.biopsycho.2018.12.004

subject

Has Abstract

pub_date

2019-02-01 00:00:00

pages

1-9

eissn

0301-0511

issn

1873-6246

pii

S0301-0511(18)30240-0

journal_volume

141

pub_type

杂志文章

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