ArticleJournal of exposure science & environmental epidemiology2022
Assessing the impact of urban environment and green infrastructure on mental health: results from the São Paulo Megacity Mental Health Survey.
Article in Journal of exposure science & environmental epidemiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 28 citations in OpenAlex.
- Interpretable machine learning for classification and risk factor identification of anxiety, depression, and insomnia symptoms after the full opening of China's COVID-19 lockdown.BMC psychiatry · 2025Article
- Green roof development knowledge map: A review of visual analysis using CiteSpace and VOSviewer.Heliyon · 2024Review
- Effects of land cover and air pollution on the risk of preterm births.Revista de saude publica · 2024Article
- Short-term exposure sequences and anxiety symptoms: a time series clustering of smartphone-based mobility trajectories.International journal of health geographics · 2023Article
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Authors and funding
8 authors at 4 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundDifferent land cover types in cities, including green areas, have impacts on mental health. Few studies, however, have been conducted in megacities in low-/middle-income countries, which have extremely complex urban arrangements.
objectiveWe analyzed land cover using the population database of the São Paulo Megacity Mental Health Survey (n = 4287) and the associations with the diagnosis of depression/anxiety. METHODOLOGY: Automatic classification of the orthophotos of the metropolitan area was performed using the random forest algorithm to provide land cover variables. The association of mental health data with land cover was determined with logistic regression and multilevel regression models.
resultsThe percentage of different green spaces, mainly grassed areas, within districts was negatively associated with the presence of anxiety (OR 0.994, 0.968, 0.994, respectively), while roofs, asphalt and shadow (OR 1.007, 1.021, 1.085, 1.021, 1.014, respectively) were positively associated with the presence of anxiety. These results were more significant in green areas within the fourth quartile [-0.352 (0.158) and -0.347 (0.155), respectively] and in the roofs in the fourth quartile [0.321 (0.159)]. No significant results were found for depression. SIGNIFICANCE: Our data indicate the need for intensive greenery in spaces with different vegetation compositions in urban environments, especially megacities, to improve the mental health of urban dwellers.
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