Table 3.

Unadjusted and adjusted models for HPV vaccine knowledge score and HPV vaccine initiation (n = 77)

	HPV vaccine knowledge		HPV vaccine initiation
	Unadjusted B [95% CI]	Adjusted B [95% CI]	Unadjusted OR [95% CI]	Adjusted OR [95% CI]
Parent Characteristics
Nativity
Non-U.S. Born	−2.0 [−3.3, −0.7]	−1.7 [− 3.1, − 0.4]	0.4 [0.1, 1.0]	0.3 [0.1, 0.9]
U.S.-Born	Reference	Reference	Reference	Reference
Age (years)
30–40	Reference	Reference	–	–
41–50	1.3 [−0.4, 3.0]	0.8 [−1.3, 2.8]	–	–
> 50	2.0 [0.1, 4.0]	1.5 [−0.7, 3.7]	–	–
HPV Vaccine Knowledge	–	–	1.3 [1.1, 1.5]	1.3 [1.0, 1.7]
Adolescent Characteristics
Age (years)
11–12	0.2 [−1.6, 2.0]	0.5 [− 1.2, 2.2]	0.02 [0.003, 0.2]	0.01 [0.002, 0.2]
13–15	−1.0 [−2.5, 0.5]	−0.5 [−2.0, 1.0]	0.3 [0.1, 1.0]	0.4 [0.1, 1.6]
16–18	Reference	Reference	Reference	Reference
Gender
Male	–		0.3 [0.1, 0.9]	0.1 [0.0, 0.6]
Female	–			Reference
Insurance Type
Private	Reference	Reference	–	–
Medicaid/CHIP	−0.5 [−2.3, 1.3]	−0.2 [−2.3, 2.0]	–	–
Uninsured/Other	−3.5 [−5.9, −1.1]	−2.3 [−4.9, 0.4]	–	–
Received Other Adolescent Vaccines
Yes	–	–	3.8 [1.4, 10.1]	3.4 [0.9, 13.2]
No	–	–	Reference	Reference

“–” indicates variable excluded from final model

HPV Human papillomavirus vaccine, OR Odds ratio, CI Confidence interval, CHIP Children’s Health Insurance Program, Tdap Tetanus, diphtheria, and acellular pertussis