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<p>Urban green spaces improve the health of residents, but the underlying mechanisms are unclear. One benefit may be providing inviting spaces for physical activity, but the extent to which this applies across populations and geographies is unknown. Here we used multilevel modelling to examine the relationship between urban green space and objectively measured daily step counts, derived from wearable devices, among 7,013 participants across 53 US cities. Our findings indicate that a 10% increase in park accessibility is associated with an additional 107 daily steps, whereas the general amount of urban green shows no significant association. City-level park accessibility has a more pronounced effect on daily step counts among the elderly, Black and Latino residents and less active individuals. We observed regional differences, with an enhanced association between park accessibility and steps in the western and southern USA. Our study underscores the broad potential of accessible urban parks to enhance public health by promoting physical activity, while highlighting the need to account for geographic and individual differences.</p>

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Wearable data link urban green space to physical activity

  • 期刊论文

  • 发表日期：

    2025年11月24日

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  • Yougeng Lu,
  • Markus Reichert,
  • Anne D. Guerry,
  • Quan Yuan,
  • Yingjie Li,
  • Anders Rydström,
  • Tong Wu,
  • Iris Reinhard,
  • Johanna Rehder,
  • Abby C. King,
  • Ann W. Hsing,
  • Kari Nadeau,
  • Chethan Sarabu,
  • Andreas Meyer-Lindenberg,
  • Gretchen Daily,
  • Lisa Mandle

摘要

Urban green spaces improve the health of residents, but the underlying mechanisms are unclear. One benefit may be providing inviting spaces for physical activity, but the extent to which this applies across populations and geographies is unknown. Here we used multilevel modelling to examine the relationship between urban green space and objectively measured daily step counts, derived from wearable devices, among 7,013 participants across 53 US cities. Our findings indicate that a 10% increase in park accessibility is associated with an additional 107 daily steps, whereas the general amount of urban green shows no significant association. City-level park accessibility has a more pronounced effect on daily step counts among the elderly, Black and Latino residents and less active individuals. We observed regional differences, with an enhanced association between park accessibility and steps in the western and southern USA. Our study underscores the broad potential of accessible urban parks to enhance public health by promoting physical activity, while highlighting the need to account for geographic and individual differences.