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首页> 外文期刊>Environmental research >Urban residential greenspace and mental health in youth: Different approaches to testing multiple pathways yield different conclusions
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Urban residential greenspace and mental health in youth: Different approaches to testing multiple pathways yield different conclusions

机译：青少年的城市居住绿地与心理健康：测试多种途径的不同方法得出不同的结论

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摘要

Background: Urban greenspace can benefit mental health through multiple mechanisms. They may work together, but previous studies have treated them as independent. Objectives: We aimed to compare single and parallel mediation models, which estimate the independent contributions of different paths, to several models that posit serial mediation components in the pathway from greenspace to mental health. Methods: We collected cross-sectional survey data from 399 participants (15-25 years of age) in the city of Plovdiv, Bulgaria. Objective "exposure" to urban residential greenspace was defined by the Normalized Difference Vegetation Index (NDVI), Soil Adjusted Vegetation Index, tree cover density within the 500-m buffer, and Euclidean distance to the nearest urban greenspace. Self-reported measures of availability, access, quality, and usage of greenspace were also used. Mental health was measured with the General Health Questionnaire. The following potential mediators were considered in single and parallel mediation models: restorative quality of the neighborhood, neighborhood social cohesion, commuting and leisure time physical activity, road traffic noise annoyance, and perceived air pollution. Four models were tested with the following serial mediation components: (1) restorative quality → social cohesion; (2) restorative quality → physical activity; (3) perceived traffic pollution → restorative quality; (4) and noise annoyance → physical activity. Results: There was no direct association between objectively-measured greenspace and mental health. For the 500-m buffer, the tests of the single mediator models suggested that restorative quality mediated the relationship between NDVI and mental health. Tests of parallel mediation models did not find any significant indirect effects. In line with theory, tests of the serial mediation models showed that higher restorative quality was associated with more physical activity and more social cohesion, and in turn with better mental health. As for self-reported greenspace measures, single mediation through restorative quality was significant only for time in greenspace, and there was no mediation though restorative quality in the parallel mediation models; however, serial mediation through restorative quality and social cohesion/physical activity was indicated for all self-reported measures except for greenspace quality. Conclusions: Statistical models should adequately address the theoretically indicated interdependencies between mechanisms underlying association between greenspace and mental health. If such causal relationships hold, testing mediators alone or in parallel may lead to incorrect inferences about the relative contribution of specific paths, and thus to inappropriate intervention strategies.
机译：背景：城市绿地可以通过多种机制使心理健康受益。它们可能一起工作，但是以前的研究将它们视为独立的。目标：我们旨在比较估计不同途径的独立贡献的单人和平行调解模型与在从绿色空间到心理健康的途径中假设一系列调解成分的几个模型。方法：我们从保加利亚普罗夫迪夫市的399名参与者（年龄15至25岁）收集了横断面调查数据。通过标准化差异植被指数（NDVI），土壤调整植被指数，500米缓冲区内的树木覆盖密度以及到最近城市绿地的欧几里得距离来定义城市住宅绿地的客观“暴露”。还使用了自我报告的可用性，可访问性，质量和对绿色空间的使用的度量。心理健康状况通过《一般健康状况调查表》进行衡量。在单一和并行的调解模型中考虑了以下潜在的调解人：社区的恢复质量，社区的社会凝聚力，通勤和休闲时间的体育活动，道路交通噪音烦扰以及可感知的空气污染。使用以下系列中介组件测试了四个模型：（1）恢复质量→社会凝聚力； （2）恢复质量→体育活动； （3）感知到的交通污染→恢复质量； （4）和噪音烦恼→体力活动。结果：客观测量的绿色空间与心理健康之间没有直接关联。对于500 m的缓冲液，单个中介模型的测试表明，恢复质量介导了NDVI与心理健康之间的关系。平行中介模型的测试未发现任何明显的间接影响。与理论相一致，对串行调解模型的测试表明，较高的恢复质量与更多的体育活动和更多的社会凝聚力有关，进而与更好的心理健康有关。对于自我报告的绿地措施，通过恢复质量进行的单一调解仅在绿地中才有意义，而在并行调解模型中，虽然通过恢复质量没有进行调解；然而，除绿地质量外，所有自我报告的措施均表明通过恢复性质量和社会凝聚力/体育活动进行的系列调解。结论：统计模型应充分解决理论上表明的绿色空间与心理健康之间的关联机制之间的相互依赖性。如果这种因果关系成立，则单独或并行测试调解员可能会导致对特定路径的相对贡献的错误推断，从而导致不合适的干预策略。

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  • 来源
    《Environmental research》 |2018年第1期|47-59|共13页
  • 作者

    Angel Dzhambov; Terry Hartig; Iana Markevych; Boris Tilov; Donka Dimitrova;

  • 作者单位

    Department of Hygiene and Ecomedicine, Faculty of Public Health, Medical University of Plovdiv, Plovdiv, Bulgaria;

    Institute for Housing and Urban Research and Department of Psychology, Uppsala University, Uppsala, Sweden;

    Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU Munich, Munich, Germany,Institute of Epidemiology I, Helmholtz Zentrum Muenchen - German Research Center for Environmental Health, Neuherberg, Germany;

    Medical College, Medical University of Plovdiv, Plovdiv, Bulgaria,Department of Management, Faculty of Economics and Management, University of Agribusiness and Rural Development, Plovdiv, Bulgaria;

    Department of Health Management and Healthcare Economics, Faculty of Public Health, Medical University of Plovdiv, Plovdiv, Bulgaria;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Air pollution; Greenness; Green space; Mediation analysis; Noise; Physical activity; Restoration; Social cohesion; Stress;

    机译：空气污染;绿色;绿地;调解分析;噪声;体力活动;恢复;社会凝聚力;强调;

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