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Volume 17, Number 9—September 2011

Differential Effects of Pandemic (H1N1) 2009 on Remote and Indigenous Groups, Northern Territory, Australia, 2009

James McCracken TrauerComments to Author , Karen Louise Laurie, Joseph McDonnell, Anne Kelso, and Peter Gregory Markey
Author affiliations: Author affiliations: Centre for Disease Control, Tiwi, Northern Territory, Australia (J.M. Trauer, P.G. Markey); World Health Organization Collaborating Centre for Reference and Research in Influenza, North Melbourne, Victoria, Australia (K.L. Laurie, A. Kelso); Menzies School of Health Research, Tiwi (J. McDonnell)

Main Article

Table 4

Attack rates standardized to Northern Territory population, by age group, indigenous status, and geographic region, in a study of differential effects of pandemic (H1N1) 2009 on remote and indigenous groups, Northern Territory, Australia, September 2009

Demographic characteristics
Adjusted attack rate, % (95% Confidence interval)
14.9 (11.0–18.9)
F 15.4 (10.7–20.0)
14.4 (9.1–19.7)
Aboriginal and Torres Strait Islander 22.9 (16.0–29.9)
12.4 (8.1–16.8)
Age, y
<14 36.0 (25.5–46.4)
15–34 15.3 (9.8–20.9)
35–54 4.3 (−3.2 to 11.8)
3.5 (−1.2 to 8.2)
Geographic region
Urban Darwin 12.8 (8.4–17.2)
Rural Top End 14.2 (8.0–20.4)
Central Australia
21.4 (12.8–30.1)
Socioeconomic quintile*
5 (least disadvantaged) 13.6 (7.5–19.8)
4 10.0 (4.3–15.7)
3 14.6 (7.5–26.8)
2 24.0 (14.6–33.5)
1 (most disadvantaged) 13.8 (6.9–20.6)

*Australian Bureau of Statistics’ Socio-Economic Indexes for Area index of relative socioeconomic advantage and disadvantage.

Main Article

Page created: September 06, 2011
Page updated: September 06, 2011
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