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Volume 16, Number 11—November 2010
Dispatch

Comparison of Survey Methods in Norovirus Outbreak Investigation, Oregon, USA, 2009

John Y. OhComments to Author , June E. Bancroft, Margaret C. Cunningham, William E. Keene, Sheryl B. Lyss, Paul R. Cieslak, and Katrina Hedberg
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (J.Y. Oh, S.B. Lyss); Oregon Public Health Division, Portland, Oregon, USA (J.Y. Oh, J.E. Bancroft, M.C. Cunningham, W.E. Keene, P.R. Cieslak, K. Hedberg)

Main Article

Table 2

Overall survey completion rate among participants in September 2009 bicycle ride, Oregon, USA, 2009

Stratification variable No. respondents/total no. participants (%)*
 p value
Internet-based survey Telephone survey
Sex
M 95/153 (62) 44/56 (79) 0.03
F
 34/48 (71)
 28/35 (80)
 0.34
Age, y†
<50 48/86 (56) 31/37 (84) 0.001
>50
 80/114 (70)
 41/54 (76)
 0.44
Living accommodations
Event organizer’s tents 36/56 (64) 18/21 (86) 0.07
Not in event organizer’s tents 93/145 (64) 54/70 (77) 0.03

*Number of riders who answered the question compared with number of riders who were asked.
†Age was missing for 1 participant in the Internet-based survey.

Main Article

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Page updated: March 08, 2011
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