PREVALENCE OF DISEASES IN OIL INDUSTRY WORKERS
The relevance of this problem is due to the increase in the number of workers exposed to substances of chemical nature (a mixture of hydrocarbon compounds, gas pollution), ionizing radiation, as well as heavy physical activity, industrial noise, vibration, adverse climatic factors that contribute to the development of production-related diseases with moderate and severe manifestations as a consequence of unfavorable working conditions and late diagnosis.
Objective: to study the level of prevalence of diseases in oil industry workers depending on the duration of exposure to occupational factors.
Material and methods: the article presents the results of a cohort retrospective study among persons exposed to long-term effects of negative technogenic factors on the frequency and risk of somatic diseases in oil industry workers. The study covers 2024 people, including 1073 employees of the main group of JSC "Ozenmunaigas" and 951 employees who make up the control group.
The digital material was processed by the method of variational statistics taking into account a small sample and finding: arithmetic mean (M), average error (m), followed by the establishment of reliability P and Student's t-test. For all these analyses, the differences were considered significant at a significance level of p<0.05, where the minimum confidence was 95%.
Results: calculation of extensive indicators in the main group showed that diseases of the musculoskeletal system and connective tissue (15.8%), diseases of the endocrine system (13.5%), diseases of the nervous system (13.3%) occupied the largest share in the structure of the prevalence of diseases among workers.
In the control group, diseases of the following classes are the leading ranks: diseases of the nervous system (15.7%), diseases of the endocrine system (14.3%); pathology of the circulatory system (13.8%).
For all classes of diseases, the highest prevalence of diseases was observed in the groups of 60-69 years – 394.3 per 100 workers, and the lowest – in the group of 20-29 years – 178.9. The prevalence of diseases among employees of the main group in all age periods was 2.2 times higher than the frequency of diseases in the control group.
Work experience has a significant impact on the incidence of diseases among employees of the enterprise for certain classes of diseases: diseases of the endocrine, cardiovascular, digestive, musculoskeletal, genitourinary systems.
Conclusions: diseases of the musculoskeletal system and connective tissue, diseases of the nervous system, diseases of the endocrine system and metabolic disorders occupy the first rank places in the structure of morbidity of the main group. The data obtained indicate that long-term professional contact of oil industry workers with harmful factors of the production environment has a significant impact on the prevalence of diseases in such classes of nosologies as diseases of the endocrine, cardiovascular, digestive, musculoskeletal and genitourinary systems.
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Janabayev D.D., Ilbekova K.B., Kashkinbayev Ye.T., Bakhtin M.М., Ibrayeva D.S., Khussain Sh.K., Sharipov M.K., Kazymbet P.K. Prevalence of diseases in oil industry workers // Nauka i Zdravookhranenie [Science & Healthcare]. 2019, (Vol.21) 5, pp. 88-102.Related publications:
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