International Comparison of Observation-specific Spatial Buffers: Maximizing the Ability to Estimate Physical Activity
Frank, LD; Fox, EH; Ulmer, JM; Chapman, JE; Kershaw, SE; Sallis, JF; Conway, TL; Cerin, E; Cain, KL; Adams, MA; Smith, GR; Hinckson, E; Mavoa, S; Christiansen, LB; Hino, AA; Lopes, AA; Schipperijn, J
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Advancements in geographic information systems over the past two decades have increased the specificity by which an individual's neighborhood environment may be spatially defined for physical activity and health research. This study investigated how different types of street network buffering methods compared in measuring a set of commonly used built environment measures (BEMs) and tested their performance on associations with physical activity outcomes.