Table 4.

Factors associated with accuracy of self-reported vaccination in males: results of univariable analyses

Accuracy of self-report: received vs. did not receive ≥ 1 HPV vaccine dose
Independent Variable	Accurate N (%)	Accurate Mean (SD)	Not Accurate Mean (SD)	P-value1
Site
Teen Health Center	89 (66.4)			<0.0001
Health Department	229 (86.1)
Demographic characteristics
Race				0.39
White	77 (84.6)
Black	215 (77.9)
Other	26 (78.8)
Age (years)				<0.0001
14–18	42 (50.6)
19–21	85 (75.9)
22–26	191 (93.2)
Ethnicity
Appalachian				0.14
Yes	4 (57.1)
No	314 (79.9)
Hispanic				0.45
Yes	311 (79.7)
No	7 (70.0)
Insurance				0.006
Yes	175 (74.8)
No/not sure	143 (86.1)
Insurance plan				0.0009
Private	83 (85.6)
Public	74 (67.3)
Other	161 (83.4)
HPV and HPV vaccine knowledge (scale score)
HPV knowledge		3.5 (2.0)	3.1 (2.0)	0.17
HPV vaccine knowledge		0.8 (0.9)	0.6 (0.8)	0.17
HPV/HPV vaccine knowledge		4.2 (2.5)	3.7 (2.5)	0.10
Accuracy of self-report: number of doses received
Independent Variable	Accurate N (%)	Accurate Mean (SD)	Not Accurate Mean (SD)	P-value
Site
Teen Health Center	68 (50.8)			<0.0001
Health Department	225 (84.6)
Demographic characteristics
Race				0.03
White	76 (83.5)
Black	192 (69.6)
Other	25 (75.8)
Age (years)				<0.0001
14–18	29 (39.9)
19–21	73 (65.2)
22–26	191 (93.2)
Ethnicity
Appalachian				0.33
Yes	4 (57.1)
No	289 (73.5)
Hispanic				0.34
Yes	6 (60.0)
No	287 (73.6)
Insurance				0.0002
Yes	155 (66.2)
No/not sure	138 (83.1)
Insurance Plan				<0.0001
Private	80 (82.5)
Public	58 (52.7)
Other	155 (80.3)
HPV and HPV Vaccine Knowledge (scale score)
HPV knowledge		3.5 (2.0)	3.2 (2.0)	0.14
HPV vaccine knowledge		0.8 (0.9)	0.6 (0.8)	0.26
HPV/HPV vaccine knowledge		4.2 (2.5)	3.8 (2.5)	0.09

¹Associations between independent and outcome variables were assessed using a chi square test, Wilcoxon two-sample test, or t-test.