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. 2019 May 10;18:10. doi: 10.1186/s12942-019-0174-z

Table 2.

Summary of five neighborhood environment variables and their correlation coefficient

N 714 714 1 2 3 4 5
Mean (SD) Median (IQR)
400 m network buffer
1. Land slope 9.62 (4.66) 8.87 (5.82, 12.64) 1.00
2. Public transit stop density 1.16 (1.57) 1.00 (0.00, 2.00) − 0.33 1.00
3. Residential density 111.77 (134.59) 64.00 (26.00, 142.00) − 0.58 0.64 1.00
4. Intersection density 5.37 (5.60) 4.00 (2.00, 7.00) − 0.57 0.63 0.75 1.00
5. Park and recreational center 0.22 (0.80) 0.00 (0.00, 0.00) − 0.24 0.19 0.27 0.33 1.00
800 m Network buffer
1. Land slope 10.77 (4.75) 10.08 (6.63, 14.52) 1.00
2. Public transit stop density 2.37 (2.59) 2.00 (1.00, 3.00) − 0.23 1.00
3. Residential density 209.11 (232.70) 126.00 (47.25, 274.00) − 0.60 0.62 1.00
4. Intersection density 12.13 (11.76) 9.00 (4.00, 16.75) − 0.63 0.64 0.86 1.00
5. Park and recreational center 0.70 (1.42) 0.00 (0.00, 1.00) − 0.35 0.37 0.55 0.60 1.00