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Volume 16, Number 12—December 2010
Historical Review

Mortality Risk Factors for Pandemic Influenza on New Zealand Troop Ship, 1918

Jennifer A. SummersComments to Author , Nick Wilson, Michael G. Baker, and G. Dennis Shanks
Author affiliations: Author affiliations: University of Otago, Wellington, New Zealand (J.A. Summers, N. Wilson, M.G. Baker); Australian Army Malaria Institute, Enoggera, Queensland, Australia (G.D. Shanks)

Main Article

Table 1

Mortality rates during pandemic influenza outbreak, by rurality score, aboard His Majesty’s New Zealand Transport Tahiti, 1918*

Rurality score† No. deaths Mortality rate/ 1,000 persons Crude mortality rate ratio (95% CI)
0 (urban) 32 81.0 1.0 (reference)
1–2 18 60.6 0.75 (0.43–1.31)
3–4 12 60.3 0.74 (0.39–1.41)
5–6 7 59.8 0.73 (0.33–1.63)
7–8 8 88.9 1.10 (0.52–2.30)

*CI, confidence interval.
†Calculated by using occupation and address. Highest score was rural occupation plus rural address.

Main Article

Page created: August 28, 2011
Page updated: August 28, 2011
Page reviewed: August 28, 2011
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