Dietary Total Isoflavone Intake Is Associated With Lower Systolic Blood Pressure: The Coronary Artery Risk Development in Young Adults (CARDIA) Study

Safiya I. Richardson, Lyn M. Steffen, Katrina Swett, Che Smith, Lora Burke, Xia Zhou, James M. Shikany, Carlos J. Rodriguez

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The effect of dietary isoflavone intake on systolic blood pressure (SBP) has not been studied in a large community-based cohort inclusive of African Americans. The authors analyzed data from the year 20 examination of the Coronary Artery Risk Development in Young Adults (CARDIA) study, including medical history, physical examination, and dietary intake surveys for 3142 participants. Multivariable linear regression models controlled for age, sex, body mass index, smoking, physical activity, and intakes of alcohol and total energy. Effect modification by race was tested. Overall, patients with hypertension had a lower daily intake of total dietary isoflavones (2.2±5.2 mg/d vs 4.1±11.7 mg/d; P<.001). In fully adjusted models, the highest quartile of dietary isoflavone intake was associated with a 4.4 mm Hg lower SBP on average compared with SBP for the lowest quartile. The relationship between dietary isoflavone intake and SBP was more pronounced among African Americans compared with Caucasians (P for interaction <.001). Greater dietary intake of isoflavones was independently associated with a lower SBP.

Original languageEnglish (US)
Pages (from-to)778-783
Number of pages6
JournalJournal of Clinical Hypertension
Volume18
Issue number8
DOIs
StatePublished - Aug 1 2016
Externally publishedYes

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Isoflavones
Young Adult
Coronary Vessels
Blood Pressure
African Americans
Linear Models
Physical Examination
Body Mass Index
Smoking
Alcohols
Exercise
Hypertension

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Cardiology and Cardiovascular Medicine

Cite this

Dietary Total Isoflavone Intake Is Associated With Lower Systolic Blood Pressure : The Coronary Artery Risk Development in Young Adults (CARDIA) Study. / Richardson, Safiya I.; Steffen, Lyn M.; Swett, Katrina; Smith, Che; Burke, Lora; Zhou, Xia; Shikany, James M.; Rodriguez, Carlos J.

In: Journal of Clinical Hypertension, Vol. 18, No. 8, 01.08.2016, p. 778-783.

Research output: Contribution to journalArticle

Richardson, Safiya I. ; Steffen, Lyn M. ; Swett, Katrina ; Smith, Che ; Burke, Lora ; Zhou, Xia ; Shikany, James M. ; Rodriguez, Carlos J. / Dietary Total Isoflavone Intake Is Associated With Lower Systolic Blood Pressure : The Coronary Artery Risk Development in Young Adults (CARDIA) Study. In: Journal of Clinical Hypertension. 2016 ; Vol. 18, No. 8. pp. 778-783.
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