Prospective Cohort Study to Elucidate the Correlation between Occupational Stress and Hypertension Risk in Oil Workers from Kelamayi City in the Xinjiang Uygur Autonomous Region of China

Rong Li, Xiaoyan Gao, Bo Liu, Hua Ge, Li Ning, Junling Zhao and Jiwen Liu
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Rong Li: Department of Public Health, Xinjiang Medical University, Urumqi 830011, China
Xiaoyan Gao: Department of Public Health, Xinjiang Medical University, Urumqi 830011, China
Bo Liu: Department of Public Health, Xinjiang Medical University, Urumqi 830011, China
Hua Ge: Department of Public Health, Xinjiang Medical University, Urumqi 830011, China
Li Ning: Department of Public Health, Xinjiang Medical University, Urumqi 830011, China
Junling Zhao: Department of Public Health, Xinjiang Medical University, Urumqi 830011, China
Jiwen Liu: Department of Public Health, Xinjiang Medical University, Urumqi 830011, China

IJERPH, 2016, vol. 14, issue 1, 1-12

Abstract: The purpose of this study was to assess the major risk factors for hypertension in oil workers, and investigate the effect of occupational stress on the incidence of hypertension after controlling for other risk factors. A prospective cohort approach was used following enrollment of 1354 oil workers. The occupational stress experienced by oil workers was higher than for the general population in China. By the end of the cohort study, 231 new cases of hypertension among the oil workers had been diagnosed. The cumulative incidence of hypertension was 17.06%. There were 44, 112, and 75 workers who developed hypertension in the low, intermediate, and high occupational stress groups, which represented a 12.0%, 15.6%, and 20.3% cumulative incidence, respectively (chi-square value = 9.812, p < 0.01). Multivariate Cox proportional hazard model analysis showed that type of work, cigarette smoking, excess body weight, and obesity were risk factors for hypertension ( p < 0.05). After risk factors such as type of work, cigarette smoking, alcohol consumption, and body mass index (BMI) were controlled, the hypertension risk (hazard ratio, HR) in the high occupational stress group was 1.549 (1.072–2.236) compared to the low exposure group, and 2.337 (1.191–4.585) in female subjects. Our study indicated that an increase in occupational stress was associated with an increased risk of hypertension after other factors were adjusted.

Keywords: oil workers; occupational stress; hypertension; cohort study (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2016
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