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Ecohealth approach to urban waste management : exposure to environmental pollutants and health risks in Yamoussoukro, Côte d'Ivoire

机译:生态健康的城市废物管理方法:在科特迪瓦亚穆苏克罗暴露于环境污染物和健康风险

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摘要

Poor waste management is a key driver of ill-health in urban settlements of developing countries. The current study aimed at assessing environmental and human health risks related to urban waste management in Yamoussoukro, the political capital of Côte d'Ivoire. We undertook trans-disciplinary research within an Ecohealth approach, comprised of a participatory workshop with stakeholders and mapping of exposure patterns. A total of 492 randomly selected households participated in a cross-sectional survey. Waste deposit sites were characterised and 108 wastewater samples were subjected to laboratory examinations. The physico-chemical parameters of the surface water (temperature, pH, conductivity, potential oxidise reduction, BOD5, COD, dissolved oxygen, nitrates, ammonia and total Kendal nitrogen) did not comply with World Health Organization standards of surface water quality. Questionnaire results showed that malaria was the most commonly reported disease. Diarrhoea and malaria were associated with poor sanitation. Households having dry latrines had a higher risk of diarrhoea (odds ratio (OR) = 1.8, 95% confidence interval (CI) 1.2-2.7) compared to latrines with septic tanks and also a higher risk for malaria (OR = 1.9, 95% (CI) 1.1-3.3). Our research showed that combining health and environmental assessments enables a deeper understanding of environmental threats and disease burdens linked to poor waste management. Further study should investigate the sanitation strategy aspects that could reduce the environmental and health risks in the study area.
机译:废物管理不善是发展中国家城市居民区不良健康的关键驱动因素。当前的研究旨在评估与科特迪瓦政治首都亚穆苏克罗有关的城市废物管理的环境和人类健康风险。我们在生态健康方法内进行了跨学科研究,包括与利益相关者的参与性研讨会和暴露模式的映射。共有492个随机选择的家庭参加了横断面调查。对废物堆积场进行了表征,并对108个废水样本进行了实验室检查。地表水的理化参数(温度,pH,电导率,潜在的氧化还原,BOD5,COD,溶解氧,硝酸盐,氨和总Kendal氮)不符合世界卫生组织的地表水质量标准。问卷调查结果显示,疟疾是最常报告的疾病。腹泻和疟疾与卫生条件差有关。与带有化粪池的厕所相比,拥有干厕的家庭患腹泻的风险更高(几率(OR)= 1.8,95%置信区间(CI)为1.2-2.7),并且患疟疾的风险也更高(OR = 1.9,95% (CI)1.1-3.3)。我们的研究表明,将健康与环境评估结合起来可以更深入地了解与不良废物管理相关的环境威胁和疾病负担。进一步的研究应调查可减少研究区域环境和健康风险的卫生策略方面。

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