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. Author manuscript; available in PMC: 2011 Jul 19.
Published in final edited form as: Am J Cardiol. 2009 Jun 24;104(5):665–670. doi: 10.1016/j.amjcard.2009.04.046

Table 2.

Ambient (measured at the central site), indoor at home, and outdoor at home measurements of air pollution and temperature among all subjects (48 subjects)

Variable N (observations) 25th percentile 50th percentile 75th percentile Maximum
Ambient PM2.5 (μg/m3)
 0-30 minutes 5,830 5.44 9.05 13.87 49.96
 2-hour mean 5,830 5.71 9.06 13.71 46.50
 6-hour mean 5,830 5.97 9.03 13.54 43.47
Indoor PM2.5 (μg/m3)
 0-30 minutes 3,825 4.50 7.88 12.37 170.50
 2-hour mean 3,825 4.74 8.16 12.49 124.40
 6-hour mean 3,825 5.07 8.47 12.84 113.60
Ambient BC (μg/m3)
 0-30 minutes 5,830 0.41 0.70 1.07 6.66
 2-hour mean 5,830 0.43 0.71 1.07 5.77
 6-hour mean 5,830 0.47 0.72 1.07 4.59
Indoor BC (μg/m3)
 0-30 minutes 2,993 0.22 0.39 0.63 12.04
 2-hour mean 2,993 0.22 0.40 0.63 8.90
 6-hour mean 2,993 0.24 0.41 0.65 5.80
Outdoor BC (μg/m3)
 0-30 minutes 2,993 0.26 0.48 0.79 3.43
 2-hour mean 2,993 0.27 0.50 0.79 2.98
 6-hour mean 2,993 0.30 0.50 0.80 2.55
Mean temperature 5,830 2.8 10.0 18.3 34.4