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Prevention and Research

Urinary nickel and plasma cortisol in workers exposed to urban stressors

Original Article, 43 - 50
doi: 10.11138/PER/2014.3.1.043
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Abstract
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Context: urban pollution is associated with various diseases; nickel (Ni) is a toxic agent in urban air.
Objective: verify whether the exposure to low Ni doses may affect plasma cortisol values of outdoor workers.
Materials and methods: 374 workers underwent urinary Ni and plasma cortisol sampling.
The Mann-Whitney U test for two mode variables and the Kruskal Wallis test for the variables in more than two modes were performed on the total sample.
Pearson’s correlation coefficient (p two-tailed) among the parameters was evaluated both in the total sample and after the stratification by gender, smoking habit and job. The multiple linear regression was performed after taking account of the major confounding factors on total sample and on the subcategories.
Results: we found a significant inverse correlation between Ni and cortisol.
Discussion and conclusions: occupational exposure to low Ni doses may influence cortisol values in workers exposed to urban pollution.

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  1. Urinary nickel and plasma cortisol in workers exposed to urban stressors
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    doi: 10.11138/PER/2014.3.1.043
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