Study type: Epidemiological study

Evaluating occupational morbidity among energy enterprise employees in industrial region of Kazakhstan epidem.

Published in: Russian Open Medical Journal: ROMJ 2021; 10 (3): e0319

Aim of study (acc. to author)

The association between occupational exposure to electromagnetic fields and morbidity was investigated among employees of an energy company in Kazakhstan.

Endpoint/type of risk estimation



Exposure groups

Group Description
Reference group 1 auxiliary workers and drivers without exposure to electromagnetic fields
Group 2 electricians engaged in the maintenance of power transmission line
Group 3 electricians, responsible for the relay protection and automation system
Group 4 electricians employed at substations


Study size

Type Value
Total 275

Results (acc. to author)

For electricians, the relationships between the nervous system disorders, the circulatory system diseases, the musculoskeletal system diseases and the exposure to electromagnetic fields were discovered.