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Insomnia did not predict incident hypertension in older adults in the cardiovascular health study.

TitleInsomnia did not predict incident hypertension in older adults in the cardiovascular health study.
Publication TypeJournal Article
Year of Publication2009
AuthorsPhillips, B, Bůzková, P, Enright, P
Corporate/Institutional AuthorsCardiovascular Health Study Research Group,
JournalSleep
Volume32
Issue1
Pagination65-72
Date Published2009 Jan
ISSN0161-8105
KeywordsAfrican Americans, Aged, Cohort Studies, Comorbidity, European Continental Ancestry Group, Female, Follow-Up Studies, Health Surveys, Humans, Hypertension, Male, Prospective Studies, Risk Factors, Sleep Initiation and Maintenance Disorders, United States
Abstract<p><b>STUDY OBJECTIVE: </b>We hypothesized that the sleep complaints of insomnia predict incident hypertension, particularly in African Americans. The purpose of this study was to analyze insomnia complaints as predictors of incident hypertension in the Cardiovascular Health Study (CHS), stratifying by gender and allowing for race and sleep variable interaction.</p><p><b>DESIGN: </b>This is a prospective cohort study over a 6-year period of follow-up.</p><p><b>SETTING: </b>This is a community-based study of participants in Forsyth County, North Carolina; Pittsburgh, Pennsylvania; Sacramento County, California; and Washington County, Maryland.</p><p><b>PARTICIPANTS: </b>The study analyzed data from 1419 older individuals (baseline mean age 73.4 +/- 4.4 years) from the Cardiovascular Health Study who were not hypertensive at baseline.</p><p><b>INTERVENTIONS: </b>none.</p><p><b>MEASUREMENTS: </b>We constructed relative risks of incident hypertension over a 6-year period for insomnia complaints singly and in combination.</p><p><b>RESULTS: </b>Difficulty falling asleep, singly or in combination with other sleep complaints, predicted a statistically significant reduction of risk for incident hypertension for non-African American men in 6 years of follow-up. Insomnia complaints did not predict incident hypertension in 6 years of follow-up in women or in African Americans, although there may not have been enough power to show a significant association for African Americans.</p><p><b>CONCLUSIONS: </b>Insomnia did not predict hypertension in this older cohort which was free of hypertension at baseline. Difficulty falling asleep was associated with reduced risk of hypertension in non-African American men.</p>
Alternate JournalSleep
PubMed ID19189780
PubMed Central IDPMC2625325
Grant ListN01-HC-85085 / HC / NHLBI NIH HHS / United States
U01 HL080295 / HL / NHLBI NIH HHS / United States
N01-HC-85081 / HC / NHLBI NIH HHS / United States
N01 HC015103 / HC / NHLBI NIH HHS / United States
N01HC55222 / HL / NHLBI NIH HHS / United States
N01-HC-85086 / HC / NHLBI NIH HHS / United States
N01HC85086 / HL / NHLBI NIH HHS / United States
N01-HC-85082 / HC / NHLBI NIH HHS / United States
N01-HC-55222 / HC / NHLBI NIH HHS / United States
N01-HC-85083 / HC / NHLBI NIH HHS / United States
N01-HC-75150 / HC / NHLBI NIH HHS / United States
N01-HC-85080 / HC / NHLBI NIH HHS / United States
N01HC75150 / HL / NHLBI NIH HHS / United States
N01-HC-85079 / HC / NHLBI NIH HHS / United States
N01HC85079 / HL / NHLBI NIH HHS / United States
N01 HC045133 / HC / NHLBI NIH HHS / United States
N01 HC035129 / HC / NHLBI NIH HHS / United States
N01-HC-85084 / HC / NHLBI NIH HHS / United States