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Table 2 Summary statistics of (untransformed) total traffic counts for each buffer size

From: Use of a total traffic count metric to investigate the impact of roadways on asthma severity: a case-control study

 

Mean/SD

Median

Minimum

Maximum

Range

50 metre buffer

4724 (8513)

1256

0

73337

73337

100 metre buffer

26882 (36859)

13701

1635

215768

214133

150 metre buffer

63183 (76772)

34121

5631

556184

550553

  1. *SD = standard deviation
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Environmental Health

ISSN: 1476-069X