Journal
LANDSCAPE AND URBAN PLANNING
Volume 215, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.landurbplan.2021.104229
Keywords
Physical activity; Sedentary behaviour; Greenspace; NDVI; Health
Categories
Funding
- Horizon 2020 research project INHERIT (INter-sectoral Health and Environment Research for InnovaTion) [667364-2]
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This study found that the availability of urban greenspaces is associated with reduced sedentary time and increased walking, as well as influenced by factors such as household income, pro-environmental attitudes, lifestyles, and eating habits. Exposure to green spaces had a stronger effect in urban areas compared to rural areas.
Past research has described positive associations between exposure to urban greenspaces and people's physical activity. However, there is variation in the relationship since it may differ according to the type of physical activity, socio-economic factors and use, as well as intrinsic characteristics of greenspaces. This study assesses the influence of urban greenspaces on distinct types of physical activity accounting for indicators such as vegetation quantity, tree cover density and green surface. The study combines data of a survey across Spain (n = 2063) with data derived from satellite imagery - including normalized difference vegetation indexes (NDVI), tree cover density and land-use cover data. A generalized linear mixed model was used to evaluate the association between urban greenspaces and physical activity as well as to evaluate the effect of main socio-economic determinants. After adjustment for potential confounders, greater availability in greenspace was found to be related with decreased sedentary time and increased walking. Besides exposure to urban greenspaces, physical activity was found to be associated with household income, pro-environmental attitudes, lifestyles and eating habits. The results also showed that exposure to greenspaces in rural areas had considerably weaker effect than in urban areas. The results suggest that efforts should be made to provide access to new greenspaces where possible, in order to foster walking and improve population health.
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