Table 3.

Multivariable Analysis of Characteristics Associated with HPV Vaccine Completion among Female Adolescents in the Intermountain West (N = 1203)

Characteristic	Adjusted vaccination coveragea % (95% CI)	Adjusted prevalence ratio (95% CI)	p-value
Age (Mother / Parent)
≤ 34 yrs	48.9 (32.3, 65.6)	Reference
35 yrs < age ≤ 44 yrs	34.5 (28.2, 40.8)	0.71 (0.48, 1.04)	0.076
≥ 45 yrs	31.9 (26.3, 37.5)	0.65 (0.44, 0.96)	0.031
Education (Mother)
< 12 years	30.0 (17.4, 42.5)	Reference
12 years	36.8 (27.4, 46.1)	1.23 (0.74, 2.03)	0.427
> 12 years (some college)	29.3 (22.2, 36.4)	0.98 (0.59, 1.61)	0.927
College graduate	39.2 (31.3, 47.1)	1.31 (0.79, 2.16)	0.295
Poverty status
Above poverty (> $75k)	33.5 (25.8, 41.2)	Reference
Above poverty (≤ $75k)	34.7 (27.9, 41.6)	1.04 (0.78, 1.37)	0.797
Below poverty	34.5 (24.1, 45.0)	1.03 (0.67, 1.58)	0.888
Marital status of mother
Married	35.5 (30.2, 40.8)	Reference
Other	31.3 (23.8, 38.9)	0.88 (0.66, 1.17)	0.393
Ethnicity/Race of teens
Hispanic	37.7 (27.9, 47.5)	Reference
Non-Hispanic White only	33.1 (27.9, 38.4)	0.89 (0.65, 1.19)	0.410
Non-Hispanic Black only	28.2 (13.1, 43.3)	0.75 (0.42, 1.34)	0.330
Other	32.8 (23.5, 42.1)	0.87 (0.60, 1.27)	0.466
Age in years of selected teen
13 years old	18.6 (12.3, 25.0)	Reference
14 years old	25.2 (17.7, 32.7)	1.35 (0.87, 2.11)	0.183
15 years old	35.4 (26.1, 44.7)	1.90 (1.26, 2.86)	0.002
16 years old	44.6 (34.8, 54.5)	2.40 (1.60, 3.60)	<.001
17 years old	54.4 (42.9, 65.8)	2.92 (1.97, 4.33)	<.001
Source of health insurance for teens
Provided through employment or union	33.6 (27.6, 39.5)	Reference
Not Provided through employment or union	35.1 (28.5, 41.8)	1.05 (0.80, 1.36)	0.739
Facility type for teen’s providers
All public facilities	36.6 (24.9, 48.3)	Reference
All hospital facilities	44.8 (25.6, 63.9)	1.22 (0.73, 2.04)	0.440
All private facilities	35.6 (28.5, 42.6)	0.97 (0.66, 1.44)	0.885
Mixed / Other	29.8 (23.2, 36.4)	0.81 (0.54, 1.22)	0.321
Do teen’s providers order vaccination from states/local health department
All providers	33.5 (28.5, 38.4)	Reference
Some but possibly not all	38.0 (27.1, 48.9)	1.14 (0.83, 1.55)	0.425
No providers	35.2 (20.7, 49.7)	1.05 (0.68, 1.62)	0.820
Don’t know	31.9 (18.6, 45.3)	0.95 (0.62, 1.47)	0.828
Receipt of influenza vaccinationb
Yes	46.6 (39.7, 53.6)	1.76 (1.40, 2.21)	<.001
No	26.5 (21.5, 31.5)	Reference
Receipt of TDAP vaccinationc
Yes	38.3 (33.0, 43.5)	1.58 (1.10, 2.28)	0.014
No	24.2 (16.0, 32.4)	Reference
Receipt of Meningitis vaccinationd
Yes	39.7 (34.4, 45.1)	2.52 (1.64, 3.86)	<.001
No	15.8 (9.4, 22.2)	Reference

^aMultivariable Poisson regression

^bAdolescent has taken at least one dose of seasonal influenza vaccination in the past three years

^cAdolescent has taken at least one dose of TDAP only vaccination since age 10 years old and before 13 years old

^dAdolescent has taken at least one dose of Meningitis vaccination