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Occupational Categories and Cardiovascular Diseases Incidences: A Cohort Study in Iranian Population Publisher Pubmed



Ghahramani R1, 2 ; Aghilinejad M1 ; Kermanialghoraishi M3 ; Roohafza HR4 ; Talaei M5 ; Sarrafzadegan N6 ; Sadeghi M2
Authors
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Authors Affiliations
  1. 1. Occupational Medicine Research Center (OMRC), Iran University of Medical Sciences and Health Services (IUMS), Tehran, Iran
  2. 2. Cardiac Rehabilitation Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Interventional Cardiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
  4. 4. Heart Failure Research Center, Cardiovascular Research Institute, Isfahan University of Medical Science, Isfahan, Iran
  5. 5. Institute of Population Health Sciences, Barts and the London School of Medicine, Queen Mary University of London, United Kingdom
  6. 6. Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Journal of Preventive Medicine and Hygiene Published:2020


Abstract

Introduction: In spite of traditional cardiovascular risk factor, the different occupations can play an important role in cardiovascular disease (CVDs) incidence. We aimed to assess the correlation between the occupational classes, based on the International Standard Classification of Occupation (ISCO), and CVDs in Iran as a developing country. Methods: We followed the 2440 men, aged 35-65 years and without history of CVDs over fourteen years; 2001 to 2015 during the Isfahan Cohort Study. ISCO was used to classify occupations into 10 categories. Incidence rates of ischemic heart diseases and stroke were recorded. Socioeconomic demographic data including marital state, income and place of living and metabolic risk factors were also recorded. Results: The mean age was 46.97±8.31 years old. 272 cardiovascular events (CVEs) were recorded that unstable angina was the highest recorded with 49% prevalence and the fatal stroke had the lowest outbreak (1%). The unemployed/jobless group and elementary occupations (9th ISCO category) had higher and lower relative frequency in CVEs respectively. There was non-significant decrease in CVEs in all of categories except of 4th (clerical support workers) and 10th (armed forces) groups in comparison to unemployed/jobless subjects (P> 0.05). After considering of the group 7 as a reference group (most absolute CVEs frequency), in fully adjustment analysis group 4 had significant risk for CVEs (P=0.04). Conclusions: This study indicates that working as clerical support workers (4th ISCO category) is associated with higher significant risk for IHD and stroke incidence in comparison to craft and related trades workers (7th group of ISCO). Copyright © 2020 by Pacini Editore Srl, Pisa, Italy.
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