期刊
HEALTH & PLACE
卷 54, 期 -, 页码 92-101出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.healthplace.2018.09.005
关键词
Green space; Exposure assessment; Perceived neighborhoods; NDVI; Self-rated health
资金
- Robert Wood Johnson Foundation Health and Society Scholars Program
- EPA STAR Grant [RD 83457601-0]
Growing evidence suggests that exposure to greenness benefits health, but studies assess greenness differently. We hypothesize greenness-health associations vary by exposure assessment method. To test this, we considered four vegetation datasets (three Normalized Difference Vegetation Index datasets with different spatial resolutions and a finely-resolved land cover dataset), and six aggregation units (five radial buffer sizes and self-described neighborhoods) of each dataset. We compared associations of self-rated health and these metrics of greenness among a sample of New York City residents. Associations with self-rated health varied more by aggregation unit than by vegetation dataset; larger buffers and self-described neighborhoods showed more positive associations. Researchers should consider spatial exposure misclassification in future greenness and health research.
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