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Table 3 Odds ratios for log-transformed total traffic counts within 50 m, 100 m and 150 m buffer zones

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

 

Crude odds ratio

95% CI

Adjusted odds ratio*

95% CI

Log-unit increase in total traffic counts

  

For 50 metre buffer

1.07

0.91-1.26

1.07

0.91-1.25

For 100 metre buffer

1.21

1.00-1.46**

1.20

0.99-1.46

For 150 metre buffer

1.25

1.02-1.54**

1.24

1.00-1.52**

  1. *Adjusted for SEIFA, ethnicity; **Significant at p ≤ 0.05
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Environmental Health

ISSN: 1476-069X