Systolic Blood Pressure, Socioeconomic Status, and Biobehavioral Risk Factors in a Nationally Representative US Young Adult Sample

Brummett, Beverly H.; Babyak, Michael A.; Siegler, Ilene C.; Shanahan, Michael J.; Harris, Kathleen Mullan; Elder, Glen H., Jr.; & Williams, Redford B. (2011). Systolic Blood Pressure, Socioeconomic Status, and Biobehavioral Risk Factors in a Nationally Representative US Young Adult Sample. Hypertension, 58(2), 161-6. PMCID: PMC3160108

Brummett, Beverly H.; Babyak, Michael A.; Siegler, Ilene C.; Shanahan, Michael J.; Harris, Kathleen Mullan; Elder, Glen H., Jr.; & Williams, Redford B. (2011). Systolic Blood Pressure, Socioeconomic Status, and Biobehavioral Risk Factors in a Nationally Representative US Young Adult Sample. Hypertension, 58(2), 161-6. PMCID: PMC3160108

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In the National Longitudinal Study of Adolescent Health, a US longitudinal study of >15 000 young adults, we examined the extent to which socioeconomic status is linked to systolic blood pressure (SBP) and whether biobehavioral risk factors mediate the association. More than 62% of the participants had SBP >120 mm Hg and 12% had SBP >140 mm Hg. More than 66% were classified as at least overweight (body mass index >25 kg/m(2)), with >36% meeting criteria for at least class I obesity (body mass index >30 kg/m(2)). Multivariate models showed that higher household income and being married were independently associated with lower SBP. Higher body mass index, greater waist circumference, smoking, and higher alcohol intake were each independently associated with higher SBP. Meditational analyses suggested that higher education level was associated with lower SBP by way of lower body mass, smaller waist circumference, and lower resting heart rate. When these indirect effects were accounted for, education was not significantly associated with SBP. In contrast, household income remained associated with SBP even with control for all of the covariates. Results reinforce current public health concerns about rates of obesity and high blood pressure among young adults and suggest that disparities in education level and household income may play an important role in the observed decrements in health. Identifying modifiable mechanisms that link socioeconomic status to SBP using data from a large representative sample may improve risk stratification and guide the development of effective interventions.


Life Course Perspectives
Biological and Social Interactions


JOUR



Brummett, Beverly H.
Babyak, Michael A.
Siegler, Ilene C.
Shanahan, Michael J.
Harris, Kathleen Mullan
Elder, Glen H., Jr.
Williams, Redford B.



2011


Hypertension

58

2

161-6








PMC3160108


5020

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