998 resultados para Transport workers
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Question: Outdoor occupational exposure could be associated with important cumulative and intense exposure to ultraviolet (UV) solar radiation. Such exposure would increase risk of skin cancer. However, little information exists on jobs associated with intense UV exposure. The objective of this study was to characterise occupational UV exposure in a representative sample in France. Methods: A population-based survey was conducted in May-June 2012 through computer-assisted telephonic interviews in population 25 to 69 years of age. Individual UV irradiation was computed with declared time and place of residence matched to UV records from satellite measurement (Eurosun project). We analysed factors influencing exposure to UV (annual average and seasonal peak). Results: A total of 1442 individuals declared having an occupational exposure to UV which represents 18% of population aged 25 to 69 years. Outdoor workers were more frequently men (58%), aged 40-54 (43%), with a phototype III or IV (69%). Occupations associated with highest UV exposure were: construction workers (annual daily average 62.8 Joules/m2), gardeners (62.6), farmers (52.8), culture/art/social sciences workers (52.0) and transport workers/mail carriers (49.5). The maximum of UVA exposure was found for occupation with a strong seasonality of exposure: culture, art or social sciences works (98.1 Joules/m2), construction works (97.2), gardening (96.7) and farming (95.0). Significant factors associated with high occupational UV exposure were gender (men vs. women: 53.6 vs. 42.6), phototype (IV vs. I: 51.9 vs. 45.5) and taking lunch outdoors (always vs. never: 59.8 vs. 48.6). Conclusion: Our study showed that some occupations were associated with particularly intense UV exposure such as farmers, gardeners, construction workers. Other unexpected occupations were also associated with high UV exposure such as transport workers, mail carriers and culture/art/social sciences workers.
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OBJECTIVES: Occupational ultraviolet (UV) exposure was evaluated in a population-based sample in France. METHODS: A random survey was conducted in 2012 in individuals aged 25 to 69 years. The median daily standard erythemal UV dose (SED) was estimated from exposure time and place and matched to satellite UV records. RESULTS: A total of 889 individuals were exposed to solar UV with highest doses observed among gardeners (1.19 SED), construction workers (1.13 SED), agricultural workers (0.95 SED), and culture/art/social science workers (0.92 SED). Information and communication technology, industry, and transport workers were highly exposed (>0.70 SED). Significant factors associated with high occupational UV exposure were sex (P < 0.0001), phototype (P = 0.0003), and taking lunch outdoors (P < 0.0001). CONCLUSIONS: This study identified not only expected occupations with high UV exposure but also unexpected occupations with high exposures. This could serve as a basis for future prevention.
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En este trabajo se pretende contrastar la hipótesis de que la incidencia de las ausencias del trabajo depende de factores socioeconómicos relacionados con la ocupación utilizando aquellos métodos estadísticos adecuados que permiten controlar el efecto de las recurrencias en las inferencias realizadas. Los datos de partida son las cohortes formadas por trabajadores de las dos compañías constitutivas de una empresa de transporte urbano en el período 1994 a 1996. El análisis se realiza separadamente por compañía y por tipo de contingencia. La variable dependiente es el número de episodios de Incapacidad Temporal (IT). Aprovechando el diseño longitudinal se utiliza un modelo condicional de Andersen-Gill Markoviano. Se concluye que la ocupación es la variable que presenta mayores riesgos relativos de incidencia de las ausencias del trabajo. Los mecánicos, los operarios de vías, los operarios de mantenimiento y los conductores presentan la mayor probabilidad de ausencia, incluso tras controlar características personales y ocupacionales, salud y conductas respecto a la misma. Las mujeres, aquellos trabajadores entre treina y sesenta años, con una antigüedad en la compañía menor a nueve años, los trabajadores casados con algún hijo, aquellos que trabajan en turno más incómodo, aquellos con menor nivel de estudios, ex-fumadores o fumadores y los que padecen alguna enfermedad son los que presentan mayor probabilidad de padecer un episodio de IT
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Este trabalho tem como objetivo apresentar uma alternativa de construção de uma obra de engenharia, com o aproveitamento de dutos API 5L X70 descartados do gasoduto Coari-Manaus, no processo de construção de uma ponte provisória sobre o Igarapé do Cedro na floresta amazônica, para viabilizar os transportes de materiais e de trabalhadores para produção industrial de construção da Estação de Compressão – ECOMP em Juaruna. Para verificação do comportamento de um elemento da ponte, utilizou-se o programa Ansys 8.0 que aplica o método numérico como análise das tensões e deformações de elementos estruturais submetidos a esforços. Apresenta também uma proposta ambiental de mitigação dos impactos provocados pelos equipamentos na travessia do Igarapé do Cedro e os desafios logísticos de transportes enfrentados pelas empresas na região amazônica.
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"WH67-378."
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"Contract no. CDC-99-74-22."
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Bibliographical footnotes: p. 26-27.
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"Transcript of proceedings."
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Mode of access: Internet.