Volume 13, Number 3—March 2007
Research
Behavioral Risks for West Nile Virus Disease, Northern Colorado, 2003
Indira B. Gujral*
, Emily C. Zielinski-Gutierrez†, Adrienne LeBailly*, and Roger S. Nasci†
, Emily C. Zielinski-Gutierrez†, Adrienne LeBailly*, and Roger S. Nasci†
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 factors | DEET (n = 842), seldom/never use DEET | Dress (n = 507), seldom/never wear long clothes | Dusk to dawn, weekdays (n = 797), >5 h outside from dusk to dawn | Dusk to dawn, weekends (n = 795), >2 h outside from dusk to dawn |
|---|---|---|---|---|
| City | ||||
| Fort Collins | Referent | Referent | Referent | Referent |
| Loveland | 1.39 (1.04–1.76) | 1.02 (0.70–1.48) | 1.35 (1.01–1.82) | 1.30 (1.00–1.74) |
| Sex | ||||
| Female | Referent | Referent | Referent | Referent |
| Male | 0.92 (0.69–1.25) | 1.36 (0.94–1.98) | 0.97 (0.63–1.48) | 1.20 (0.90–1.61) |
| Age, y | ||||
| 18–44 | Referent | Referent | Referent | Referent |
| ≥45 | 1.62 (1.21–2.18) | 0.70 (0.48–1.01) | 0.91 (0.67–1.22) | 0.67 (0.51–0.89) |
| Education | ||||
| College† | Referent | Referent | ||
| High school diploma or less | 0.89 (0.58–1.38) | 1.41 (0.99–1.98) | ||
| Income, US $ | ||||
| >50,000 | Referent | Referent | ||
| <25,000 | 0.79 (0.47–1.31) | 0.65 (0.38–1.11) | ||
| 25,000–50,000 | 0.72 (0.47–1.08) | 1.09 (0.69–1.72) | ||
| Risk perception | ||||
| Very worried | Referent | Referent | Referent | |
| Somewhat worried | 1.47 (0.92–2.36) | 1.79 (0.88–3.61) | 1.68 (1.07–2.65) | |
| Not worried | 4.68 (2.90–7.51) | 2.58 (1.25–5.28) | 2.14 (1.31–3.51) | |
| Interaction | Referent | |||
| Male <$25,000 | 4.36 (1.88–10.0) | |||
| Male $25,000–50,000 | 1.39 (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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