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首页> 外文期刊>The Science of the Total Environment >A geostatistical study of socioeconomic status (SES), rurality, seasonality and index test results as drivers of free private groundwater testing in southern Ontario, 2012-2016
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A geostatistical study of socioeconomic status (SES), rurality, seasonality and index test results as drivers of free private groundwater testing in southern Ontario, 2012-2016

机译：2012-2016年安大略省南部免费私人地下水测试的动因，社会经济地位（SES），农村地区，季节性和指数测试结果的地统计研究

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摘要

Approximately 12% of the Canadian population uses private wells for daily water consumption; however, well water testing rates are on the decline, resulting in an increased risk of waterborne acute gastrointestinal illness. To date, limited research has explored the determinants influencing well testing practices. Accordingly, the current study sought to investigate the drivers of "one-off' and repeat well water testing in southern Ontario during the 5-year period 2012-2016, using the worlds largest private groundwater testing data-frame. Data from >400,000 wells were geospatially integrated with all tests conducted by the provincial laboratory in southern Ontario. The Ontario Marginalization Index (ON-Marg) was used as a proxy measure of socioeconomic status (SES), with rurality, based on population density, season, and index (1st) test results assessed as effect modifiers. Multivariate analysis was undertaken using log-binomial regression. Approximately 27.5% of wells (n = 417,406) were tested during the study period, 66.7% of which were sampled more than once; 3% of all samples tested positive for E. coli (>0 colony forming unit/100 mL). In rural regions (<150 people/km~2), wells located in low SES areas were 13% more likely to be tested compared to high SES areas (95% CI: 1.11,1.15). In urban (>400 people/km~2) and peri-urban regions (>150 and <400 people/km~2), wells located in low SES areas were 14% (95% CI: 0.78.0.95) and 15% (95% CI: 0.76,0.94) less likely to be tested compared to high SES areas. Wells located in low SES areas were 6% more likely to be re-tested (95% CI: 1.04,1.07). Positive index tests were associated with a 17% increased likelihood of repeat testing (95% CI: 1.16,1.18). Accordingly, the authors conclude that location and SES are significant predictors of well water testing, with index test status being the most influential predictor of repeat well testing.
机译：加拿大约有12％的人口使用私人水井来日常用水。然而，井水测试率正在下降，导致水源性急性胃肠道疾病的风险增加。迄今为止，有限的研究已经探索了影响试井实践的决定因素。因此，本研究力图使用全球最大的私人地下水测试数据框架，调查2012年至2016年这5年间安大略省南部“一次性”重复进行井水测试的驱动因素。已与安大略省南部省级实验室进行的所有测试进行了地理空间整合。安大略省边缘化指数（ON-Marg）被用作基于人口密度，季节和指数的农村地区社会经济地位（SES）的替代指标（ 1st）测试结果评估为效果改良剂使用对数二项式回归进行多变量分析，在研究期间测试了约27.5％的井（n = 417,406），其中66.7％的采样不止一次;全部的3％样本检测到的大肠杆菌呈阳性（> 0菌落形成单位/ 100 mL）;在农村地区（<150人/ km〜2），位于低SES区域的井的检测可能性比高SES区域高13％ （95％CI：1.11,1.15）。 n（> 400人/ km〜2）和城市周边地区（> 150和<400人/ km〜2），位于低SES地区的水井分别为14％（95％CI：0.78.0.95）和15％（与高SES区域相比，被测试的可能性降低了95％CI：0.76,0.94）。位于SES较低地区的油井被重新测试的可能性增加6％（95％CI：1.04,1.07）。阳性指标测试与重复测试的可能性增加17％（95％CI：1.16,1.18）。因此，作者得出结论，位置和SES是井水测试的重要预测指标，指数测试状态是重复井测试的最有影响力的预测指标。

著录项

  • 来源
    《The Science of the Total Environment》 |2020年第may15期|137188.1-137188.12|共12页
  • 作者

    Shahryar Qayyum; Paul Hynds; Harriet Richardson; Kevin McDermott; Anna Majury;

  • 作者单位

    Department of Public Health Sciences Queen's University Kingston Ontario Canada;

    Environmental Health & Sustainability Institute Technological University Dublin Dublin Ireland;

    Department of Public Health Sciences Queen's University Kingston Ontario Canada Division of Cancer Care and Epidemiology Cancer Research Institute at Queen's University Kingston Ontario Canada;

    Public Health Ontario Kingston Ontario Canada;

    Public Health Ontario Kingston Ontario Canada Department of Biology and Molecular Sciences Queen's University Kingston Ontario Canada;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Groundwater; E. coli; Testing; Behaviour; Private Wells; Socioeconomic status;

    机译：地下水;大肠杆菌;测试;行为;私人井;社会经济状况;

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