Proximity of Residence to Bodies of Water and Risk for West Nile Virus Infection: A Case-Control Study in Houston, Texas

Table 2

Proximity of residence to water source types in cases versus controls, evaluated by odds ratio (OR), 95% confidence intervals (CI), and significance (𝑃 value).

Water source type*	OR	95% CI	𝑃 value
Bayou	1.15	(0.84, 1.56)	0.36
Creek	1.37	(0.93, 2.02)	0.09
Ditch	0.49	(0.13, 1.60)	0.19
Gully	1.50	(0.73, 3.16)	0.23
Lake	1.50	(0.73, 3.16)	0.23
Stream	0.55	(0.27, 1.08)	0.06
Creek and gully	1.45	(1.02, 2.07)	0.03
Stream and river	0.50	(0.25, 0.95)	0.02

*As defined by the United States Geological Survey.