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Volume 13, Number 3—March 2007

Behavioral Risks for West Nile Virus Disease, Northern Colorado, 2003

Indira B. Gujral*Comments to Author , Emily C. Zielinski-Gutierrez†, Adrienne LeBailly*, and Roger S. Nasci†
Author affiliations: *Larimer County Department of Health and Environment, Fort Collins, Colorado, USA; †Centers for Disease Control and Prevention, Fort Collins, Colorado, USA;

Main Article

Table 3

Adjusted odds ratios and 95% confidence intervals for logistic regression models* assessing self-reported West Nile virus preventative outcomes by identified risk factors, Larimer County West Nile Virus survey, Colorado, 2003

Risk factorsDEET
(n = 842), seldom/never use DEETDress
(n = 507),
seldom/never wear long clothesDusk to dawn,
(n = 797),
>5 h outside from dusk to dawnDusk to dawn,
(n = 795),
>2 h outside from dusk to dawn
   Fort CollinsReferentReferentReferentReferent
   Loveland1.39 (1.04–1.76)1.02 (0.70–1.48)1.35 (1.01–1.82)1.30 (1.00–1.74)
   Male0.92 (0.69–1.25)1.36 (0.94–1.98)0.97 (0.63–1.48)1.20 (0.90–1.61)
Age, y
   ≥451.62 (1.21–2.18)0.70 (0.48–1.01)0.91 (0.67–1.22)0.67 (0.51–0.89)
   High school diploma or less0.89 (0.58–1.38)1.41 (0.99–1.98)
Income, US $
   <25,0000.79 (0.47–1.31)0.65 (0.38–1.11)
   25,000–50,0000.72 (0.47–1.08)1.09 (0.69–1.72)
Risk perception
   Very worriedReferentReferentReferent
   Somewhat worried1.47 (0.92–2.36)1.79 (0.88–3.61)1.68 (1.07–2.65)
   Not worried4.68 (2.90–7.51)2.58 (1.25–5.28)2.14 (1.31–3.51)
   Male <$25,0004.36 (1.88–10.0)
   Male $25,000–50,0001.39 (0.72–2.69)

*Hosmer-Lemeshow Goodness-of-fit is based on deciles of risk. p values >0.05 indicate good fit (N,N-diethyl-m-toluamide [DEET], p = 0.67; dress, p = 0.68; dusk/dawn, weekdays, p = 0.97; dusk/dawn, weekends, p = 0.91).
†College: some college, college degree, some graduate school, or graduate degree.

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Page created: June 29, 2010
Page updated: June 29, 2010
Page reviewed: June 29, 2010
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