Betulio Chacín-Almarza

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The purpose of this work was to determine the effects of environmental noise in the serum cortisol levels pre and post journal labor and the presence of non-auditory manifestations in workers of a brewer industry. A transversal study was carried out selecting at random 40 workers exposed to noise from the packing area, with ages between 20 and 55 years; and(More)
The purpose of the present study was to assess the impact of occupational exposure to noise and its relationship with other factors that can induce hearing loss in the electric plant workers of a petrochemical industry of the west of Venezuela. A cross-sectional study was conducted that included sonometry tests, carried out according to the established(More)
To measure the corporal dimensions of the workers and the relationships with the spaces and equipments used in the printing processes, as the initial phase for the design and implementation of a surveillance program of work-related musculoskeletal disorders, 38 workers of a press were studied, by making an anthropometric record for ergonomic studies(More)
The purpose of this study was to identify and to evaluate the psychosocial factors that produce organizational stress in workers at the packing plant of a brewering industry, and to determine the influence of industrial noise in the occurrence of stress at work. The Questionnaire of Organizational Stress of the ILO/WHO was applied to 163 workers to evaluate(More)
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