Table 1
Asthma prevalence among children aged 0 to 11, Canada excluding territories, 1994/1995 to 2000/2001

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  1994/ 1995 1996/ 1997 1998/ 1999 2000/ 2001 Comparison between 1994/1995 and 2000/2001 (p-value)
Population aged 0 to 11 (000s) 4,681.2 4,750.0 4,514.9 4,379.6 ...
Number with asthma (000s) 518.4 575.4 583.7 586 ...
% with asthma 11.1 12.1 12.9 13.4 <.0001
Asthma severity among children with asthma
Low (%) 27 29 31.8 30.9 ns
Moderate (%) 32.3 31.3 32 33.3 ns
High (%) 40.8 39.7 36.2 35.8 0.02
Asthma attack in past year among children with asthma
Number (000s) 264.4 256.6 241.3 230.2 ...
% 51.1 44.6 41.4 39.3 <.0001
Wheezing in past year
% of 0- to 11-year-olds 17.5 17.2 18.5 18.7 ns
% of 0- to 11-year-olds with asthma 66.5 65.2 62.2 60.5 0.007
Regular use of inhalants
% of children with asthma 47.2 45.6 42.2 44.5 ns
ns = not significant
Note: Because of rounding, detail may not add to 100%.
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.