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Volume 9, Number 1—January 2003

Research

Texas Lifestyle Limits Transmission of Dengue Virus

Paul Reiter*Comments to Author , Sarah Lathrop*, Michel L. Bunning*, Brad J. Biggerstaff*, Daniel Singer*, Tejpratap Tiwari*, Laura Baber†, Manuel Amador*, Jaime Thirion‡, Jack Hayes§, Calixto Seca¶, Jorge Mendez‡, Bernardo Ramirez#, Jerome Robinson†, Julie Rawlings¶, Vance Vorndam*, Stephen Waterman*, Duane Gubler*, Gary Clark*, and Edward Hayes*
Author affiliations: *Centers for Disease Control and Prevention, Fort Collins, Colorado, USA; †City of Laredo Health Department, Laredo, Texas, USA; ‡Secretaria de Salud, Mexico City, Mexico; §University of Texas, Boerne, Texas, USA; ¶Texas Department of Health, Laredo, Texas, USA; #Secretaria de Salud de Tamaulipas, Nuevo Laredo, Tamaulipas, Mexico

Main Article

Table 3

Risk factors associated with anti-dengue immunoglobulin M (IgM) seropositivity in Nuevo Laredo/Laredo residents, by univariate analysis

Risk factor Prevalence ratio Mean value for IgM seropositive residents Mean value for IgM seronegative residents (95% confidence interval) orp value
No air-conditioning 2.6 (1.3 to 5.2)
Evaporative cooler 2 (1.2 to 3.3)
No travel beyond Laredo/Nuevo Laredo area 1.9 (1.0 to 3.5)
No. room air conditioners 0.3 0.6 p=0.05
Distance to neighbor (m) 2.4 3.8 p=0.003

Main Article

1The investigation plan was reviewed by the Human Subjects Coordinator at the National Center for Infectious Diseases, Centers for Disease Control and Prevention, and determined to be a public health response that did not require further human subjects review. Blood samples were taken only from consenting adults.

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