Volume 13, Number 10—October 2007
THEME ISSUE
Global Poverty and Human Development
Research
Dengue Fever Seroprevalence and Risk Factors, Texas–Mexico Border, 2004
Table 5
Logistic regression results for serologic evidence of past dengue infection in Brownsville, Texas, and Matamoros, Mexico, 2004*
Variable | Adjusted odds ratio | p value | 95% Confidence interval | Deff |
---|---|---|---|---|
Income <$100 | 2.59 | 0.000 | 1.58–4.26 | 0.92 |
Missing income | 0.90 | 0.679 | 0.54–1.50 | 0.83 |
Street drainage | 0.57 | 0.009 | 0.37–0.87 | 1.07 |
Larval habitat | 2.35 | 0.008 | 1.26–4.41 | 1.00 |
Air-conditioning | 0.58 | 0.014 | 0.38–0.89 | 1.04 |
Intact screens | 1.35 | 0.111 | 0.93–1.95 | 0.90 |
Store water | 1.62 | 0.079 | 0.95–2.76 | 1.19 |
Aedes aegypti | 0.84 | 0.476 | 0.53–1.35 | 1.05 |
Cross border, 3 mo | 0.90 | 0.581 | 0.62–1.31 | 0.93 |
People/household | 1.06 | 0.300 | 0.95–1.19 | 1.31 |
*Missing data in independent variables (n = 22) did not significantly change prevalence of recent or past dengue infection (p>0.10) in the remaining 578 observations used in subsequent models. Deff, design effect, the ratio of variance between the survey design and simple random sampling.