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. Author manuscript; available in PMC: 2013 Aug 27.
Published in final edited form as: J Air Waste Manag Assoc. 2012 Apr;62(4):431–442. doi: 10.1080/10473289.2012.656218

Table 3.

Results for the associations of ED for CVD with mobile source impacts metrics (sorted by p-value)

Indicator IQR RR£ per IQR 95% CI¥ p-value
CMB-DV 1.0 μg/m3 1.005 0.997 – 1.014 0.206
PMF-GV 2.3 μg/m3 1.005 0.997 – 1.012 0.206
PMF-DV 2.3 μg/m3 1.006 0.998 – 1.014 0.168
CMB-GV 1.0 μg/m3 1.006 0.999 – 1.012 0.079
EC 1.0 μg/m3 1.008 1.000 – 1.017 0.054
CO-1h 0.9 ppm 1.007 1.001 – 1.014 0.033
IMSIEB 0.9 1.007 1.001 – 1.014 0.029
IMSIEB,DV 0.7 1.010 1.001 – 1.018 0.022
NOx -1h 0.1 ppm 1.008 1.001 – 1.015 0.018
IMSIEB,GV 0.8 1.009 1.002 – 1.017 0.018

Notes:

Interquartile range;

£

Risk ratio;

¥

Confidence Interval; CMB is the Chemical Mass Balance method; PMF is the Positive Matrix Factorization model; GV stands for gasoline vehicles; DV stands for diesel vehicles; IMSIEB is the emission-based integrated mobile source indicator; IMSIEB,GV is the IMSIEB estimated for gasoline vehicles; IMSIEB,DV is the IMSIEB estimated for diesel vehicles.