Volume 9, Number 1—January 2003
Research
Texas Lifestyle Limits Transmission of Dengue Virus
Paul Reiter*
, 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*
, 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*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) or p 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 |
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.
