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Table 3 Multivariate analysis of NO2 concentration for different measures of traffic density adjusted for period

From: Use of passive diffusion sampling method for defining NO2 concentrations gradient in São Paulo, Brazil

Variables

Coef.

95% Conf. Interval

Adj R2

Number of vehicles counting (log)

2.29 *

1.45 – 3.14

0.44

Observed traffic density

15.90 *

10.90 – 20.90

0.50

CET classification

  

0.56

- Intermediate

9.10 *

2.50 – 15.70

 

- High

20.40 *

14.70 – 26.00

 
  1. * p < 0.0001
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Environmental Health

ISSN: 1476-069X