Dentists Are at a Higher Risk for Oral Helicobacter pylori Infection

Table 5

Logistic regression analysis between dental practice frequency per week and oral H. pylori infection.

Variable	Partial regression coefficients	Standard error	Wals	value	OR	OR 95% CI
						Lower	Upper
Intercept	-5.995	2.382	6.333	0.012	0.002
DPF	1.776	0.861	4.257	0.039	5.909	1.093	31.946
DPF^2	-0.152	0.073	4.330	0.037	0.859	0.745	0.991

DPF: dental practice frequency per week.