The impact of exposure to lead on the occurrence of insomnia in shift workers of the Zinc Steelworks in Miasteczko Śląskie
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Streszczenie
Introduction: The aim of the study was to assess the effect of lead concentration and shift work on the occurrence of insomnia in the employees of the Zinc Steelworks in Miasteczko Śląskie in Poland. Material and methods: The study group consisted of 240 employees of the zinc smelter, reporting periodic and control examinations to the Occupational Medicine Clinic. Respondents were asked to complete a questionnaire consisting of the Athens Insomnia Scale and questions about the place and nature of work. Results: Analyzing the results of lead and zinc proporphiryn( ZPP) levels in the shift and non-shift subgroups of the study group, a slightly higher mean level of lead and ZPP was found in the shift subgroup. Using logistic regression, the probability of insomnia was determined depending on the concentration of lead and ZPP in the organism. As the level of lead and ZPP increases in the study group, the probability of insomnia increases. It is the largest among the examined group working in shifts. Conclusions: As the blood lead level increases, the likelihood of insomnia in steel plant workers increases.
Słowa kluczowe: insomiaoccupational healthconsequencesshift worklead
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