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Year : 2022  |  Volume : 26  |  Issue : 1  |  Page : 9-15

Incidence and risk for hypertension among regular medical examination attendee cohort in an automobile industry. A cox- regression analysis model

1 Department of Epidemiology, Centre for Public Health, NIMHANS, Bengaluru, Karnataka, India
2 Chief Medical Officer, Occupational Health Unit, Autombile Industry Pvt Limited, Industry, Bidadi, Karnataka, India

Correspondence Address:
Dr. Gautham Melur Sukumar
Department of Epidemiology, Centre for Public Health, NIMHANS, Bengaluru - 560 029, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijoem.ijoem_307_21

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Introduction: With nearly 1,612,505 industrial workers in Karnataka, controlling hypertension among them is necessary to reduce subsequent non-communicable diseases (NCDs). However, information on prevalence, incidence, and risk for hypertension among industrial workers is limited. Objectives: To estimate the prevalence, incidence proportion, incidence rate, and risk for hypertension among annual medical examination [AME] attendee cohort between 2010 and 2014 in an automobile industry in India. Materials and Methods: Longitudinal record analysis (cohort approach) of 640 regular AME attendees between 2010 and 2014 was performed to estimate incidence and incidence rates. Cox regression was conducted to estimate the risk for hypertension in the study period. Necessary permission and ethics clearance was obtained. Results and Conclusion: The prevalence of hypertension significantly increased from 8.8% in 2010 to 26.6% in 2014. The small increase in mean blood pressure (BP) resulted in large increases in the prevalence of hypertension. The incidence rate increased from 6.5 per 1000 person-months of observation in 2012 to 14.5 in 2014. No significant risk for hypertension was observed for the work department and type of plant. Results indicate a rising burden of hypertension with no specific risks associated with different work departments or types of plants. AME data is a utility value to monitor hypertension trends among employees and evaluate the effectiveness of worksite health programs to reduce hypertension.


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