Associations Between the Built Environment and Adult Obesity and the Mediating Role of Physical Activity: A Systematic Review

IF 7.4 2区 医学 Q1 ENDOCRINOLOGY & METABOLISM
Obesity Reviews Pub Date : 2025-05-19 DOI:10.1111/obr.13944
Samjhana Shrestha, Gavin Turrell, Michael J. Dale, Suzanne J. Carroll
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Abstract

Associations between the built environment (BE) and adult obesity are well established. Physical activity (PA) is shown to mediate this association; however, no review has comprehensively synthesized the evidence required to understand this mediating relationship and its variation across different measures of the BE, PA, and obesity. Four electronic databases were searched, and 19 articles published between 2005 and 2022 were reviewed. PA partially explained the associations between the BE and obesity, with effects varying widely across studies (0.48%–48.7%). Objectively measured moderate-to-vigorous PA consistently mediated the association between walkability and obesity, with higher PA accounting for 8.5%–11.6% of the relationship. Domain-specific PA such as walking for transport mediated walkability–obesity associations, but only few studies examined such relationships. PA was an inconsistent mediator of associations between other BE exposures (street connectivity, land-use mix, accessibility, and greenspace) and obesity. PA's mediating role in the BE-obesity relationship is context-dependent; BE features that promoted PA in less dense urban areas of some countries showed different effects in denser urban settings of other countries. Despite limited longitudinal studies from diverse settings, evidence from this review suggests that the BE has the potential to facilitate PA and reduce global obesity and related chronic conditions.

Abstract Image

建筑环境与成人肥胖的关系及体育活动的中介作用:一项系统综述。
建筑环境(BE)与成人肥胖之间的关系已经得到了很好的证实。体力活动(PA)被证明介导这种关联;然而,没有一篇综述全面综合了理解这种中介关系及其在不同BE、PA和肥胖测量中的变化所需的证据。检索了四个电子数据库,对2005年至2022年间发表的19篇文章进行了审查。PA部分解释了BE和肥胖之间的联系,其影响在不同的研究中差异很大(0.48%-48.7%)。客观测量的中等到高强度的PA一致地介导了步行能力和肥胖之间的关联,高PA占8.5%-11.6%的关系。特定领域的PA,如步行运输介导的步行性与肥胖的关联,但只有少数研究调查了这种关系。在其他BE暴露(街道连通性、土地使用组合、可达性和绿地)与肥胖之间,PA是不一致的中介。PA在be -肥胖关系中的中介作用是情境依赖的;在一些国家较不密集的城市地区促进PA的BE特征在其他国家较密集的城市环境中表现出不同的效果。尽管来自不同环境的纵向研究有限,但本综述的证据表明,BE具有促进PA和减少全球肥胖及相关慢性疾病的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Obesity Reviews
Obesity Reviews 医学-内分泌学与代谢
CiteScore
19.30
自引率
1.10%
发文量
130
审稿时长
1 months
期刊介绍: Obesity Reviews is a monthly journal publishing reviews on all disciplines related to obesity and its comorbidities. This includes basic and behavioral sciences, clinical treatment and outcomes, epidemiology, prevention and public health. The journal should, therefore, appeal to all professionals with an interest in obesity and its comorbidities. Review types may include systematic narrative reviews, quantitative meta-analyses and narrative reviews but all must offer new insights, critical or novel perspectives that will enhance the state of knowledge in the field. The editorial policy is to publish high quality peer-reviewed manuscripts that provide needed new insight into all aspects of obesity and its related comorbidities while minimizing the period between submission and publication.
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