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Table 4 Variation in percentage land-use exposure by buffer (n = 32)

From: Using GPS technology to (re)-examine operational definitions of ‘neighbourhood’ in place-based health research

Land-use type Circular buffer Polygon Network buffer Line-based network buffer Variable width buffer RIC polygon buffer RIC ellipse buffer RIC line buffer
Med IQR Med IQR Med IQR Med IQR Med IQR Med IQR Med IQR
Commercial (%) 4.14 6.75 3.50 7.21 3.10 6.33 3.59 6.67 7.96 12.18 17.61 27.10 9.34 14.35
Institutional (%) 3.94 6.72 2.64 4.14 1.95 2.81 2.20 4.81 3.93 8.61 3.38 6.57 3.94 5.42
Recreational and park (%) 5.90 4.87 5.21 7.00 4.13 4.63 5.97 4.59 6.44 6.16 5.07 9.10 4.32 9.23
Industrial (%) 0.20 1.11 0.04 0.48 0.05 0.47 0.10 0.76 0.27 1.36 0.05 1.60 0.00 0.87
Residential (%) 39.70 15.96 47.23 17.49 42.26 14.19 42.26 14.19 41.25 16.08 32.71 25.57 33.93 16.90
Utilities/Communications (%) 0.37 0.95 0.28 0.97 0.31 1.02 0.30 0.82 0.34 0.55 0.54 1.16 0.12 0.62
Other (%) 36.51 17.16 36.55 13.27 38.55 14.81 36.07 12.67 31.74 12.04 30.69 15.07 38.57 13.50