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Association Between Night Shift and Hypertension: A Cross-Sectional Study in Chinese Adults
Jin-Liang Zhu1, Meng-Yu Liu, Qi-Rong Qin
1From the Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China (Mr Zhu, Ms Liu, Dr Qin, Mr He, Dr Hu, Mr Zhu, Mr Liu, Dr Huang); and Ma'anshan Center for Disease Control and Prevention, Ma'anshan, Anhui, China (Dr Qin).
Objective:
The purpose of this study was to explore the effect of night-shift work on the risk of hypertension for improving workers' health.
Methods:
A total of 10,038 Chinese participants were constituted in the cross-sectional study. Logistic regression and restricted cubic spline were used to estimate the effect of night shift on hypertension.
Results:
There were higher odds of having hypertension in any night-shift workers (odds ratio [OR], 1.16 [95% confidence interval, 1.03-1.30]) when compared with day workers. Having 5 to 10 night shifts per month were significantly more likely to be hypertensive (OR, 1.19 [95% confidence interval, 1.03-1.38]). The OR for hypertension increased as the number of night shifts increased as the result of the restricted cubic spline.
Conclusions:
Our results support the hypothesis that night shift is associated with an elevated risk of hypertension.
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