Report from the National Diabetes Surveillance System: Diabetes in Canada, 2009

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People with Newly Diagnosed Diabetes (Incidence)

• 211,168 individuals aged 1 and up were newly diagnosed with diabetes in 2006-07—a rate of 6.7 per 1,000 population aged 1 and older—6.1 per 1,000 among girls/women and 7.3 per 1,000 boys/men (Table 1, Table 2, and Figure 7) (incidence).
• Incidence rates of diagnosed diabetes were significantly lower for children and adolescents (0.4 per 1,000) than for adults (8.7 per 1,000). The rates rose steeply after age 45 and peaked among both men and women in the 70 to 74 year age group (Figure 7).
• The incidence rates (0.4 per 1,000) of type 1 and 2 diagnosed diabetes, among children and adolescents, have remained stable between 2004-05 to 2006-07, while the incidence has increased from about 3,140 to 3,260 children and adolescents, during the same time period (Table 1).
• The incidence rates of diagnosed diabetes were significantly higher among men than women over age 40, but the rates were higher for women of child-bearing age.
• The age-standardized incidence rates of new diagnoses of diabetes increased almost 9% between 2002-03 and 2006-07 (Figure 8). The rise in obesity and increased screening for diabetes are likely contributing to the rise in the number of people newly diagnosed with diabetes.¹ The increase in the number of people newly diagnosed (incidence) with diabetes is contributing to the growth in the number of people in the population with diagnosed diabetes (prevalence), but this is not the only contributing factor. The age-standardized prevalence is increasing 3 times faster than the rate of age-standardized incidence rates, reflecting the added survival of people with diabetes.

• For women aged 30 to 69 and men aged 40 to 69, the incidence rates for diagnosed diabetes were higher than the all-cause mortality rates among men and women with diagnosed diabetes in the same age groups (Figure 7 and Figure 9). If this pattern continues, the prevalence for diagnosed diabetes will continue to rise.

Figure 8 - Text Equivalent

Footnotes

¹ Public Health Agency of Canada. Obesity in Canada: Snapshot, 2009. URL: http://www.phac-aspc.gc.ca/publicat/2009/oc/index-eng.php

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