Sleep Duration, Stroke Link Varies With Race, SexLast Updated: October 03, 2018. The association of sleep duration with incident stroke varies by race and sex, according to a study published online Oct. 3 in Neurology.
WEDNESDAY, Oct. 3, 2018 (HealthDay News) -- The association of sleep duration with incident stroke varies by race and sex, according to a study published online Oct. 3 in Neurology.
Megan E. Petrov, Ph.D., from the Arizona State University in Phoenix, and colleagues examined the correlation between reported sleep duration and incident stroke among 16,733 black and white adults without history of stroke or sleep-disordered breathing from the Reasons for Geographic and Racial Differences in Stroke study. Participants reported their habitual sleep duration.
The sample included 10.4 and 6.8 percent short sleepers (less than six hours) and long sleepers (nine or more hours), respectively. The researchers identified 460 strokes over an average follow-up of 6.1 years. In association with incident stroke, there were significant interactions between sleep duration and race as well as sleep duration and race-sex groups. Among black participants, there was a correlation between short sleep duration and reduced stroke risk (hazard ratio, 0.49), especially for black men (hazard ratio, 0.21); among white men, there was a significant correlation between long sleep duration and increased risk for stroke (hazard ratio, 1.71).
"The association of sleep duration with incident stroke differs by race and sex, with short sleep duration among black men associated with decreased risk, whereas long sleep duration among white men associated with increased risk for stroke," the authors write.
Several authors disclosed financial ties to the pharmaceutical and medical device industries.
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