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Background <p>Falls are the leading cause of accidental injury among older adults, 30% of community-dwelling adults aged 65 and over fall each year, with nearly half occurring outdoors. These falls are complex, understudied, and insufficiently addressed in current age-friendly cities or walkability frameworks. This study aimed to build interdisciplinary consensus on risks, preventive actions, and barriers to fall prevention in outdoor public spaces through a Delphi process.</p> Methods <p>A three-phase Delphi study was conducted with 64 participants in round 1, 60 in round 2, and 49 in round 3, including four expert groups: older adults who had fallen outdoors, health and research professionals, urban planners, and decision-makers (local and regional policy-makers, elected officials, and public-space managers involved in urban planning). Phase one collected open responses on risks, preventive actions (modification of physical layout, public-space management, and behavior-related factors), and barriers to these actions. Responses were synthesized using AI-assisted analysis with systematic human validation. In phases two and three, the relevance of 124 propositions were rated on a 10-point Likert scale. Consensus was defined as ≥ 70% of ratings ≥ 7/10 and interquartile range ≤ 2.5.</p> Results <p>Consensus was reached for key intrinsic factors such as gait and balance impairments, visual and vestibular deficits, cognitive decline, and polypharmacy, as well as for environmental factors including irregular or inappropriate surfaces, obstacles, or signage, and crowding. Highly relevant preventive actions included integrating fall prevention into street and sidewalk design, training urban planning professionals, awareness campaigns, systematic maintenance, safer crossings, participatory co-design public-space adaptations and urban design features involving older adults and local stakeholders, and improved data monitoring through surveillance, mapping, and sharing of fall-related and environmental risk information. Main barriers were insufficient budgets, high costs, limited integration of fall prevention into planning priorities, and lack of evaluation of the impact of implemented actions.</p> Conclusions <p>Outdoor fall prevention is a transversal challenge requiring integration of public health and urban planning. This Delphi highlights actionable priorities to embed fall prevention in local and national strategies, in particular in rapidly aging regions.</p>

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Falls prevention for older adults in outdoor public spaces: an interdisciplinary Delphi consensus on risks, actions, and barriers

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月2日

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  • Antoine Langeard,
  • Marion Torterotot,
  • Marine Le Roux,
  • Bettina Wollesen

摘要

Background

Falls are the leading cause of accidental injury among older adults, 30% of community-dwelling adults aged 65 and over fall each year, with nearly half occurring outdoors. These falls are complex, understudied, and insufficiently addressed in current age-friendly cities or walkability frameworks. This study aimed to build interdisciplinary consensus on risks, preventive actions, and barriers to fall prevention in outdoor public spaces through a Delphi process.

Methods

A three-phase Delphi study was conducted with 64 participants in round 1, 60 in round 2, and 49 in round 3, including four expert groups: older adults who had fallen outdoors, health and research professionals, urban planners, and decision-makers (local and regional policy-makers, elected officials, and public-space managers involved in urban planning). Phase one collected open responses on risks, preventive actions (modification of physical layout, public-space management, and behavior-related factors), and barriers to these actions. Responses were synthesized using AI-assisted analysis with systematic human validation. In phases two and three, the relevance of 124 propositions were rated on a 10-point Likert scale. Consensus was defined as ≥ 70% of ratings ≥ 7/10 and interquartile range ≤ 2.5.

Results

Consensus was reached for key intrinsic factors such as gait and balance impairments, visual and vestibular deficits, cognitive decline, and polypharmacy, as well as for environmental factors including irregular or inappropriate surfaces, obstacles, or signage, and crowding. Highly relevant preventive actions included integrating fall prevention into street and sidewalk design, training urban planning professionals, awareness campaigns, systematic maintenance, safer crossings, participatory co-design public-space adaptations and urban design features involving older adults and local stakeholders, and improved data monitoring through surveillance, mapping, and sharing of fall-related and environmental risk information. Main barriers were insufficient budgets, high costs, limited integration of fall prevention into planning priorities, and lack of evaluation of the impact of implemented actions.

Conclusions

Outdoor fall prevention is a transversal challenge requiring integration of public health and urban planning. This Delphi highlights actionable priorities to embed fall prevention in local and national strategies, in particular in rapidly aging regions.