Key result
Subjective social status correlates with better FMD, explaining ~8% of variance, unlike objective SES.
Why the study?
Does subjective and objective socioeconomic status correlate with endothelial function (flow-mediated dilation) in healthy adults?
Cross-Sectional (n=72)
Does subjective and objective socioeconomic status correlate with endothelial function (flow-mediated dilation) in healthy adults?
Lower subjective social status in one's community is associated with impaired endothelial function, suggesting a potential pathway linking perceived social standing to cardiovascular disease risk.
May link perceived community status to endothelial function beyond objective measures; hypothesis-generating and requires prospective validation before clinical use.
BACKGROUND: Although objective and subjective indicators of socioeconomic status (SES) are linked to cardiovascular disease (CVD), little is known about their relationship to endothelial dysfunction, which often precedes CVD. PURPOSE: This study examined how objective and subjective SES relate to brachial artery flow-mediated dilation (FMD). METHODS: FMD was assessed in 72 healthy adults (mean age 36 years). The MacArthur Scale of Subjective Social Status assessed perceived social standing in the USA (SSS-USA) and local community (SSS-Community). Objective SES measures included income and the Hollingshead Two-Factor Index of Social Position (education, occupation). RESULTS: Adjusted regressions revealed that SSS-Community positively correlated with FMD (p < 0.05) and explained 8% of the variance. No other SES measures were significant for FMD. The association between FMD and SSS-Community remained significant (p < 0.01) after adjustment for objective SES and other covariates. CONCLUSIONS: Lower subjective social status in one's community may be linked to CVD via impaired vasodilation.
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Cooper et al. (2010) conducted a cross-sectional in Healthy adults (n=72). Subjective and objective socioeconomic status was evaluated on Brachial artery flow-mediated dilation (FMD) (p=<0.01). Subjective social status in one's community was positively correlated with flow-mediated dilation (P<0.01), explaining 8% of the variance, whereas objective socioeconomic measures were not.
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