Key result
Working evening or night shifts (OR 6.1, P<0.001) and being African American (OR 7.1, P<0.001) were strong independent predictors of nondipper blood pressure status in healthy female nurses.
Why the study?
Does evening or night shift work and race/ethnicity affect the diurnal rhythm of blood pressure and catecholamines in healthy female nurses?
Population
99 healthy female nurses (37 African American women and 62 women of other races)
Comparison
Evening or night shift work vs Day shift work
Design
Cross-sectional
Follow-up
24 hours
Authors
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Evening shift work was associated with altered BP rhythms among African American nurses; hypothesis-generating for racial differences in hypertension risk.
Observational (n=99)
Does evening or night shift work and race/ethnicity affect the diurnal rhythm of blood pressure and catecholamines in healthy female nurses?
Odds Ratio: 6.1
p-value: p=<0.001
Being African American and working evening or night shifts are independent predictors of nondipper blood pressure status, which may contribute to the adverse cardiovascular effects of shift work.
Yamasaki et al. (1998) conducted an observational in Healthy (n=99). Evening or night shift work vs. Day shift work was evaluated on Nondipper status (<10% drop in systolic pressure during sleep) (OR 6.1, p=<0.001). Working evening or night shifts (OR 6.1, P<0.001) and being African American (OR 7.1, P<0.001) were strong independent predictors of nondipper blood pressure status in healthy female nurses.
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