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Valuing excess fluoride removal for safe drinking water in Kenya

机译：重视去除多余的氟化物以确保肯尼亚的安全饮用水

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摘要

The study uses contingent valuation framework to assess the welfare benefits of removing excess fluoride from drinking water among households in Baringo County, Kenya. A conventional payment card is used to draw preferences from households in order to estimate the mean and median willingness to pay for excess fluoride removal from drinking water in the county. Through interval regression analysis, the study found that households were, on average, willing to pay Kshs. 202.25 ($2.02) and a median of Kshs. 162.50 ($1.63) to remove excess fluoride from drinking water. The mean and median welfare values of removing excess fluoride from water were estimated at Kshs. 112.4 ($1.12) and Kshs. 90.3 ($0.90) million, respectively. These amounts were significantly found to increase with male gender, education, household income, living in own house, type of water source, perceived water quality, distance to nearest water source, payment vehicle used and whether household members had suffered from fluorosis. However, these amounts declined with age and household size. On the whole, the study found significant public support towards the removal of excess fluoride in drinking water among the concerned households, which is vital for effective formation and implementation of water quality improvement policies for the county.
机译：该研究使用或有估值框架来评估肯尼亚巴林戈县家庭从饮用水中去除过量氟化物的福利收益。使用常规的支付卡从家庭中获得优惠，以估算支付该县饮用水中过量除氟的平均和中位数意愿。通过区间回归分析，该研究发现，家庭平均愿意支付科威特第纳尔。 202.25（$ 2.02）和中位数Kshs。 162.50（$ 1.63）从饮用水中去除多余的氟化物。从Kshs估算了从水中去除过量氟化物的平均和中值福利值。 112.4（$ 1.12）和Kshs。分别为90.3（0.90美元）百万。发现这些数额随着男性，教育程度，家庭收入，自住房，水源类型，水质感知，距最近水源的距离，所使用的支付工具以及家庭成员是否患有氟中毒而显着增加。但是，这些金额随着年龄和家庭人数的增加而下降。总体而言，该研究发现，在相关家庭中，公众对消除饮用水中过量的氟化物的支持非常重要，这对于有效制定和实施该县的水质改善政策至关重要。

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