Introduction: Discrimination is associated with negative health outcomes among Latinos. Research on the link between discrimination and inflammation in adults has focused on pro-inflammatory markers rather than characterizing the more informative balance of pro- and anti-inflammatory markers. The purpose of this cross-sectional study was to examine the associations of everyday discrimination with inflammation ratio (defined as the ratio of pro- to anti-inflammatory cytokines) in a sample of middle-aged and older Latinas.
Methods: Latinas were recruited from an existing study in New York City. Participants reported frequency and count of everyday discrimination. Peripheral blood was used to analyze pro- (IL-1 and IL-6) and anti-inflammatory (IL-4 and IL-10) cytokines. The inflammation ratio was calculated by dividing the sum of pro-inflammatory cytokines by the sum of anti-inflammatory cytokines. We used linear regression to assess the link between everyday discrimination and inflammation ratio.
Results: The final sample included 40 Latinas (mean age = 63.2 years). Approximately 68% had household incomes less than $15,000. More than half (53%) reported experiencing some form of everyday discrimination. Regression models showed everyday discrimination was not associated with individual pro- and anti-inflammatory cytokines. In adjusted regression models, the frequency of everyday discrimination was not associated with inflammation ratios ([] = 0.57[0.30], = .07). However, a higher count of everyday discrimination was associated with inflammation ratios ([] = 1.15[0.55], = .04).
Conclusions: The count of everyday discrimination was positively associated with inflammation in Latina women. Future studies should replicate these findings using longitudinal assessment of discrimination and inflammatory markers.
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| http://dx.doi.org/10.1177/1099800421995901 | DOI Listing |
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