Figure 9 : Reported incidence rate¹ of acute HBV infection by year and ethnic group, EHSSS, 1999-2008²

Between January 1999 and September 2008, among cases with known information on ethnicity, cumulatively reported incidence rate of acute HBV infection per 100,000 inhabitants was 1.92 (95% confidence interval [CI] 1.46-2.53) for Aboriginal peoples and 0.78 (95% CI 0.72-0.85) in non-Aboriginal peoples. Poisson regression analysis revealed that Aboriginal Canadians were more likely than non-Aboriginal Canadians to develop acute hepatitis B (adjusted rate ratio 3.32, 95% CI 2.39-4.61).

The rate of incidence of acute hepatitis B per 100,000 population was:

Year	Aboriginals	Non Aboriginals
1999-2000	5.21	1.36
2001-2002	3.08	0.97
2003-2004	1.21	0.83
2005-2006	1.30	0.63
2007-2008	0.92	0.44

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