Table 5. Univariate analysis of knowledge factors associated with the willingness to pay for rabies vaccination and registration, Ilocos Norte, Philippines, August 2012.

Knowledge parameters	Vaccination		Registration
	Coef. (95%CI)	P-value	Coef.(95%CI)	P-value
How does a person get rabies?
Don’t know*
Limited recognitionᵓ	52.99 (35.62–70.36)	<0.001ᶠ	14.47 (-24.46–53.41)	0.464
Adequate recognitionᵈ	7.63 (-16.16–31.41)	0.529	5.31 (-1.62–12.24)	0.133
What happens to MOST people who become ill with rabies?
Don’t know *
Limited recognitionᵐ	38.73 (15.08–62.38)	0.002	13.53 (-1.87–28.92)	0.085
Adequate recognitionᵑ	27.59 (6.16–49.02)	0.012	12.92 (4.64–21.20)	0.002
What are the signs of rabies in persons?
Don’t know*
Limited recognitionᵃ	14.52 (-61.03–90.06)	0.707	13.00 (-20.93–46.93)	0.453
Adequate recognitionᵇ	3.63 (-20.16–27.43)	0.765	7.05 (1.44–12.67)	0.014
What are the signs of rabies in dogs?
Don’t know*
Limited recognitionᵃ	22.38 (-25.25–70.00)	0.357	13.20 (-3.83–30.24)	0.129
Adequate recognitionᵇ	16.39 (-2.21–35.00)	0.084	13.26 (5.88–20.63)	0.001
Are you willing to pay the stated amount every year?
Yes*
No	-67.82 (-86.11 –-49.53)	<0.001	-28.13 (-33.93 –-22.33)	<0.001
Not Sure	40.65 (-28.59–109.90)	0.250	7.26 (-12.02–26.53)	0.461

* Reference group

ᶠ P-value based on only two observations.

ᵃThis category comprises of individuals who stated symptoms that are not specific to rabies.

ᵇThese category comprises of individuals who stated at least one rabies related symptom.

ᵓThis category comprises of individuals who stated exposures that are not specific to rabies.

ᵈThese category comprises of individuals who stated at least one rabies related exposure.

ᵐThis category comprises of individuals who stated outcomes that are not specific to clinical rabies.

ᵑThese category comprises of individuals who identified any clinical manifestations of rabies or stated “death” as the clinical outcome of rabies in humans.