Table 1
Mean residential nitrogen dioxide (NO2) air pollution exposure, by selected socioeconomic characteristics, population aged 0 to 17, Toronto, Vancouver and Montreal, 2006

Table 1
Mean residential nitrogen dioxide (NO2) air pollution exposure, by selected socioeconomic characteristics, population aged 0 to 17, Toronto, Vancouver and Montreal, 2006
Table summary
This table displays the results of Mean residential nitrogen dioxide (NO2) air pollution exposure. The information is grouped by Socioeconomic characteristics (appearing as row headers), Toronto, Vancouver, Montreal, Mean NO2 (ppb), 95% confidence interval and Number, calculated using from and to units of measure (appearing as column headers).
Socioeconomic characteristics Toronto Vancouver Montreal
Mean NO2 (ppb) 95% confidence interval Number Mean NO2 (ppb) 95% confidence interval Number Mean NO2 (ppb) 95% confidence interval Number
from to from to from to
Total aged 0 to 17 23.3 23.2 23.3 119,840 22.0 22.0 22.0 75,730 19.1 19.1 19.2 67,890
Household income quintile  
1 (lowest) 24.1 24.0 24.1 20,480 22.9 22.8 23.0 8,920 19.8 19.7 19.9 9,270
2 23.7 23.7 23.8 25,710 22.8 22.7 22.9 12,550 20.0 19.9 20.1 13,420
3 23.2 23.2 23.3 23,800 22.4 22.3 22.5 14,810 19.5 19.4 19.6 14,680
4 22.9 22.8 22.9 23,640 21.8 21.7 21.8 18,510 18.8 18.8 18.9 13,620
5 (highest) 22.6 22.6 22.6 26,220 21.1 21.1 21.2 20,950 18.0 17.9 18.0 16,890
Age group  
0 to 1 23.7 23.6 23.8 13,010 22.7 22.6 22.8 7,480 19.8 19.7 19.9 7,650
2 to 12 23.2 23.2 23.3 71,510 22.0 22.0 22.0 44,350 19.2 19.1 19.2 40,350
13 to 17 23.2 23.1 23.2 35,330 21.8 21.8 21.9 23,920 18.8 18.7 18.8 19,890
Lone-parent family 23.9 23.8 23.9 24,310 22.6 22.5 22.7 12,800 19.6 19.5 19.6 16,200
Visible minority 23.3 23.3 23.4 68,730 22.8 22.7 22.8 41,020 19.7 19.7 19.8 25,690
Female 23.3 23.2 23.3 57,980 22.0 21.9 22.0 36,690 19.2 19.1 19.2 33,170
Note: Sample sizes were rounded to nearest multiple of 10 for confidentiality.
Sources: 2006 Census of Canada; Environment Canada, National Air Pollution Surveillance network.

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