Occupational exposure in a contaminated estuarine environment epidemiological study
Instituto Nacional de Saúde Doutor Ricardo Jorge, IP, 2013
Online
Konferenz
Zugriff:
Introduction: Previous environmental studies on Sado estuary indicated high concentrations of heavy metals (such as Cu, Zn, Ni, As, Cr, e Pb) on its sediments due to industrial contamination along with non-point anthropogenic sources. Although considerable investigation has been done on environmental contamination assessment and its effects to ecological systems, in this particular geographical area no study relating the health effects due to exposure to heavy metals was ever conducted. Thus an epidemiological study, was implemented in a small fisherman community living in Carrasqueira Village at Sado Estuary (exposed population) and in Vila Nova de Mil Fontes- VNMF (non exposed).The results to be presented reflect the analysis of occupational exposure comparing both populations. Material and Methods: A cross-sectional study was designed and data was collected through an epidemiological questionnaire. Face to face interviews of selected individuals was done during June and July 2011. Participants, from all ages and sex, were selected by simple randomization, using the medical registrations lists of local Health Centers. Dimensions measured in the two groups included among others i) Exposure factors related to levels of contaminants, including socio-demographic, occupational, leisure habits and hobbies, ii) Route of contamination (with special attention to subsistence fishing and farming) and iii) Health effects. To each respondent was required to describe the tasks inherent to their actual or past job. From this description indicators of a potential route exposure to contaminants were created. It was considered direct exposure (fishing inherent tasks); indirect exposure (agriculture inherent tasks), other routes of contamination (tasks with other sources of contamination such as painting). The absence of the previous exposures indicates that no relevant exposure existed. Statistical analysis was performed using descriptive analysis and associations were tested using Chi-squared test. A 5% significance level was ...
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Occupational exposure in a contaminated estuarine environment epidemiological study
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Autor/in / Beteiligte Person: | Paixão, Eleonora ; Machado, Ausenda ; Caeiro, Sandra ; Dias, Carlos Matias |
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Veröffentlichung: | Instituto Nacional de Saúde Doutor Ricardo Jorge, IP, 2013 |
Medientyp: | Konferenz |
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