Higher endorsement of everyday discrimination was significantly associated with less nocturnal systolic and diastolic blood pressure dipping, explaining 8% to 11% of the variance (p < .05).
Observational (n=78)
Does everyday discrimination reduce nocturnal blood pressure dipping in hypertensive and normotensive adults?
Self-reported everyday discrimination is associated with attenuated nocturnal blood pressure dipping, a known risk factor for cardiovascular morbidity.
Effect estimate: 8% to 11% variance explained
p-value: p=< .05
OBJECTIVE: To investigate whether an association exists between experiences of everyday discrimination and blood pressure (BP) dipping in a biracial sample of black and white adults. Attenuated nocturnal BP dipping is closely linked to cardiovascular morbidity and mortality. Self-reported experiences of everyday discrimination have also been associated with negative cardiovascular health outcomes. METHODS: Seventy-eight hypertensive and normotensive women and men (n = 30 black and 48 white) reported on their experiences of everyday discrimination (Everyday Discrimination Scale) and underwent two separate 24-hour ambulatory BP monitoring (ABPM) sessions approximately 1 week apart. RESULTS: Correlation analysis revealed that higher endorsement of everyday discrimination was significantly associated with less diastolic BP (DBP) and systolic BP (SBP) dipping (p < .05). Subsequent hierarchical regression analyses indicated that everyday discrimination explained 8% to 11% of the variance in SBP and DBP dipping above and beyond other demographic and life-style-related factors, including race, age, 24-hour BP, body mass index, and current socioeconomic status. The relationship between discrimination and dipping was significantly stronger on the second night of monitoring. Finally, analyses revealed that everyday discrimination mediated the relationship between race and BP dipping. CONCLUSIONS: These findings suggest that experiences of everyday discrimination are associated with less nocturnal SBP and DBP dipping above and beyond the effect of known covariates. The use of multiple ABPM sessions may facilitate the detection of relationships between psychological variables and BP dipping.
Tomfohr‐Madsen et al. (Wed,) conducted a observational in Hypertensive and normotensive adults (n=78). Everyday discrimination vs. Lower levels of everyday discrimination was evaluated on Nocturnal systolic and diastolic blood pressure dipping (8% to 11% variance explained, p=< .05). Higher endorsement of everyday discrimination was significantly associated with less nocturnal systolic and diastolic blood pressure dipping, explaining 8% to 11% of the variance (p < .05).
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