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Volume 15, Number 11—November 2009

Research

Hepatitis E Outbreak on Cruise Ship

Bengü SaidComments to Author , Samreen Ijaz, George Kafatos, Linda Booth, H. Lucy Thomas, Amanda Walsh, Mary E. Ramsay, Dilys Morgan, and on behalf of the Hepatitis E Incident Investigation Team1
Author affiliations: Health Protection Agency Centre for Infections, London, UK (B. Said, S. Ijaz, G. Kafatos, A. Walsh, M. Ramsay, D. Morgan); Hampshire and Isle of Wight Health Protection Unit, Whitely, UK (L. Booth); North West London Health Protection Unit, London (H.L. Thomas)

Main Article

Table 1

Univariate analysis of probability of having recent acute HEV infection, world cruise ship passengers, 2008, by participant characteristics*

Characteristic HEV negative HEV positive OR 95% CI p value
Age group, y (n = 526)
<70 283 18 1.00 Baseline
>70
210
15
1.12
0.55–2.28
0.749†
Gender (n = 526)
M 224 25 1.00 Baseline
F
269
8
0.31
0.14–0.69
0.002†
Past or present alcohol consumption (n = 523)
No 49 0 1.00 Baseline 49
Yes
442
32
5.01
0.87–‡
0.061§
Amount of alcohol consumed (n = 415)
Below recommended 349 23 1.00 Baseline
Above recommended 37 6 2.46 0.97–6.26 0.058†

*HEV, hepatitis E virus; OR, odds ratio; CI, confidence interval. n values indicate number of responses received in each category.
†χ2 test.
‡No upper limit.
§Fisher exact test.

Main Article

1Other members of the Hepatitis E Incident Investigation Team: Helen Harris, Rosie Zambra, Richard Tedder, Ariane Halm, John Woodhouse, Annette Wood, Autilia Newton, Deborah Wilson, Erika Duffell, Grainne Nixon, Keith Neal, Susan Bennett, Sultan Salimee, Torbjorn Sundkvist, Sandra Johnson, Debbie Harmer, Ashesh Modi, Valerie Decraene, Alison Smith Palmer, John Cowden, Robert Smith, Meirion Evans, Catherine Mitten, Faustina Montsho-Hammond, Peter Sheridan, and Charles Irish.

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