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Table 3 Threshold analysis from Distance to Nearest Road measure that assesses the distance from the participant's home to the nearest road (n = 2,444 participant locations)

From: The importance of accurate road data for spatial applications in public health: customizing a road network

Road Data

Observations > 15.24 m (%)

Observations 15.24 m – 22.86 m (%)

Observations 22.86 m – 30.48 m (%)

Observations > 30.48 m (%)

Custom Data

0 (0)

0 (0)

0 (0)

0 (0)

NC DOT

145 (5.9)

30 (1.2)

7 (0.3)

108 (4.4)

StreetMap Pro

463 (18.9)

139 (5.7)

34 (1.4)

290 (11.9)

TIGER/Line 2000

1,548 (63.3)

320 (13.1)

208 (8.5)

1,020 (41.7)

TIGER/Line 2007

234 (9.6)

46 (1.9)

30 (1.2)

158 (6.5)