Table 3
Prevalence of asthma among children aged 0 to 11, by selected characteristics, Canada excluding territories, 1994/1995 to 2000/2001

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  Prevalence of asthma Comparison between 1994/1995 and 2000/2001 (p-value)
1994/ 1995 1996/ 1997 1998/ 1999 2000/ 2001
%  
Total 11.1 12.1 12.9 13.4 <.0001
Sex
Male 13.6* 14.9* 15.3* 16.1* 0.002
Female† 8.4 9.2 10.4 10.5 0.003
Age
0 to 5 8.4‡ 8.9‡ 9.9‡ 9.9‡ 0.003
6 to 9 13.7 15.2 15 15.7 ns
10 to 11 14 15.4 17.6 17.6 0.03
Daily smoker in household
Yes 13.0* 13.4* 14.8* 15.4* 0.01
No† 9.8 11.4 12 12.5 0.0001
Household income
Lowest/Lower-middle 11.9 14.2* 15.3* 15.5 0.04
Middle 10.8 11 12.5 12.2 ns
Upper-middle 10.8 13.1* 13.1 14.5 0.0002
Highest† 11.2 10 11.9 12.4 ns
Urban/Rural
Urban 11.2 12.3* 12.9 13.5 0.0002
Rural† 10.5 10.5 12.9 12.8 0.03
Region of residence
British Columbia† 9.6 10.3 10.8 11.4 ns
Prairie provinces 10.1 10.7 11.1 11.1 ns
Ontario 11.1 13.3* 13.8* 13.6 0.01
Quebec 11.3 10.9 13.3 15.1* 0.002
Atlantic provinces 14.7* 16.2* 15.8* 15.5* ns
† reference category
‡ significantly different from estimate for next-oldest age group (p < 0.05)
* significantly different from estimate for reference category (p < 0.05)
ns = no statistically significant difference between 1994/1995 and 2000/ 2001
Data source: 1994/1995 to 2000/2001 National Longitudinal Survey of Children and Youth.
Table source: Statistics Canada, 2008, "Changes in the prevalence of asthma among Canadian children", Health Reports, Vol. 19 No. 2, catalogue number 82-003-XWE.