IPEN: International Study of Built Environment, Physical Activity, and Obesity

IPEN：建筑环境、身体活动和肥胖的国际研究

• 批准号: 7939929
• 负责人: JAMES F. SALLIS
• 金额: $ 59.29万
• 依托单位: SAN DIEGO STATE UNIVERSITY
• 依托单位国家: 美国
• 财政年份: 2009
• 资助国家: 美国
• 起止时间: 2009-09-30 至 2013-08-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/7939929
• 关键词: Accounting; Address; Adherence; Adult; Advisory Committees; Australia; Belgium; Centers for Disease Control and Prevention (U.S.); Collaborations; Communities; Country; Crime; Data; Data Collection; Data Quality; Databases; Eating; Environment; Environmental Policy; Esthetics; Food Safety; Funding; Geographic Information Systems; Healthy People 2010; Height; Institute of Medicine (U.S.); International; International Agencies; Internet; Intervention; Lead; Measurement; Measures; Mediating; Meta-Analysis; Methods; Monitor; Neighborhoods; Obesity; Outcome; Overweight; Patient Self-Report; Physical activity; Policy Maker; Population; Protocols documentation; Public Health; Publishing; Recreation; Recruitment Activity; Research; Research Personnel; Risk; Safety; Sampling; Surveys; Translating; Transportation; Walking; Weight; World Health Organization; age effect; aged; base; design; effective intervention; evidence base; experience; improved; indexing; innovation; land use; member; news; obesity risk; public health relevance; tool; trafficking

DESCRIPTION (provided by applicant): Numerous US and international agencies have identified environmental and policy interventions as the most promising strategies for improving physical activity (PA), eating, and obesity. The evidence base on environmental and policy factors is deficient in 3 important ways this proposal will address. First, although the association between built environments and PA is widely accepted by authoritative groups like the CDC's Community Guide, accurate estimates of the strength of associations are not available because virtually all studies have limited environmental variability. If underestimated associations make it less likely decision makers pursue built environment changes, then public health suffers. Second, several studies document associations between the built environment and weight outcomes, but confirmatory studies are needed, especially those conducted in diverse environments. Third, measures are insufficiently detailed to give guidance about specific attributes of the built environment most likely to be effective interventions. To accurately assess the strength of association of the built environment with PA and weight status, greater environmental variability is required than any one country can provide. Thus, we propose a collaborative international study that uses a common design and measurement protocol to produce more accurate effect size estimates. Because US-only studies are expected to underestimate effect size, this international study will provide additional information to US decision makers. The International Physical activity and the Environment Network (IPEN) is led by investigators in the US, Australia and Belgium who have demonstrated common methods can be employed across countries. IPEN builds on completed studies in the US and Australia. Six countries were selected to collect new data based on the strength of investigators, preliminary studies, and in some cases, existing partial funding. For primary aims PA will be assessed by the validated long IPAQ survey, and built environment will be assessed by a validated built environment survey in all countries (approx N=9981). Analyses will examine how specific environmental attributes are related to PA domains, leisure and transport. Most countries also will have objective measures: accelerometry for PA; Geographic Information System data for environmental attributes. Thus, subsets of countries will be used to achieve secondary aims (range of N's from 5552 to 8781). All countries will select neighborhoods that vary on walkability and recruit a minimum of 500 adults aged 20-65. Data will be entered via the web to a central server, and adherence to all protocols and data quality will be monitored. Analyses will account for multi-level data. Team members are experienced in all aspects and have conducted 3 international PA studies that show the feasibility of IPEN. PUBLIC HEALTH RELEVANCE: Design of communities and access to recreation facilities are related to physical activity for transportation and leisure purposes as well as weight and risk of obesity. Because there is a limited range of activity-supportive environments in the US, studies conducted only in the US can underestimate impacts of the built environment. This study proposes to use comparable methods in at least 8 diverse countries to obtain accurate estimates of how strongly built environments are related to physical activity and weight, so policymakers have correct information to base decisions on.

描述（由申请人提供）：许多美国和国际机构已将环境和政策干预确定为改善体力活动 (PA)、饮食和肥胖最有希望的策略。关于环境和政策因素的证据基础在该提案将解决的三个重要方面存在缺陷。首先，尽管建筑环境与 PA 之间的关联被疾病预防控制中心社区指南等权威团体广泛接受，但由于几乎所有研究都限制了环境变异性，因此无法准确估计关联强度。如果低估的关联性使决策者不太可能追求建筑环境的改变，那么公共健康就会受到影响。其次，一些研究记录了建筑环境和体重结果之间的关联，但需要进行验证性研究，尤其是在不同环境中进行的研究。第三，措施不够详细，无法就最有可能成为有效干预措施的建筑环境的具体属性提供指导。为了准确评估建筑环境与 PA 和重量状况之间的关联强度，需要比任何一个国家都能提供的更大的环境变化。因此，我们提出了一项国际合作研究，该研究使用通用的设计和测量协议来产生更准确的效应大小估计。由于仅针对美国的研究预计会低估效应大小，因此这项国际研究将为美国决策者提供更多信息。国际体育活动与环境网络 (IPEN) 由美国、澳大利亚和比利时的研究人员领导，他们已经证明可以在各个国家采用通用方法。 IPEN 以美国和澳大利亚已完成的研究为基础。根据调查人员的实力、初步研究以及在某些情况下现有的部分资金，选择了六个国家来收集新数据。对于主要目标，PA 将通过经过验证的长期 IPAQ 调查进行评估，建筑环境将通过所有国家经过验证的建筑环境调查进行评估（约 N=9981）。分析将检查特定的环境属性如何与 PA 领域、休闲和交通相关。大多数国家还将制定客观措施：PA 加速测量；环境属性的地理信息系统数据。因此，国家子集将用于实现次要目标（N 范围从 5552 到 8781）。所有国家都将选择步行适宜性不同的社区，并招募至少 500 名 20-65 岁的成年人。数据将通过网络输入到中央服务器，所有协议的遵守情况和数据质量将受到监控。分析将考虑多级数据。团队成员在各方面经验丰富，并进行了3项国际PA研究，证明了IPEN的可行性。公共卫生相关性：社区的设计和娱乐设施的使用与交通和休闲目的的身体活动以及体重和肥胖风险有关。由于美国支持活动的环境范围有限，因此仅在美国进行的研究可能会低估建筑环境的影响。这项研究建议在至少 8 个不同的国家使用可比较的方法，以准确估计建筑环境与身体活动和体重的关系，以便政策制定者有正确的信息作为决策依据。