Table 2.

Multivariable Analysis of Factors Associated with Receipt of 1 dose of HPV Vaccine 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	74.5 (62.2, 86.7)	Reference
35 yrs < age ≤ 44 yrs	52.5 (46.1, 58.9)	0.70 (0.57, 0.87)	0.001
≥ 45 yrs	54.1 (47.8, 60.5)	0.73 (0.59, 0.90)	0.003
Education (Mother)
< 12 years	66.3 (52.6, 79.9)	Reference
12 years	50.8 (41.4, 60.2)	0.77 (0.58, 1.02)	0.066
> 12 years (some college)	52.7 (45.1, 60.3)	0.80 (0.61, 1.04)	0.096
College graduate	52.9 (45.4, 60.3)	0.80 (0.61, 1.05)	0.108
Poverty status
Above poverty (> $75k)	54.2 (45.6, 62.7)	Reference
Above poverty (≤ $75k)	53.6 (46.9, 60.3)	0.99 (0.82, 1.19)	0.915
Below poverty	57.1 (46.9, 67.3)	1.05 (0.80, 1.38)	0.703
Marital status of mother
Married	54.7 (49.5, 59.9)	Reference
Other	55.1 (45.7, 64.5)	1.01 (0.82, 1.23)	0.946
Ethnicity / Race of teens
Hispanic	56.0 (46.9, 65.2)	Reference
Non-Hispanic White only	55.0 (49.0, 61.0)	0.98 (0.80, 1.20)	0.856
Non-Hispanic Black only	46.7 (26.9, 66.5)	0.83 (0.52, 1.32)	0.438
Other	52.6 (41.8, 63.5)	0.94 (0.73, 1.21)	0.634
Age in years of selected teen
13 years old	39.4 (31.3, 47.6)	Reference
14 years old	49.1 (41.4, 56.9)	1.25 (0.98, 1.59)	0.074
15 years old	52.6 (42.7, 62.5)	1.33 (1.02, 1.74)	0.034
16 years old	65.3 (55.4, 75.2)	1.66 (1.28, 2.15)	<.001
17 years old	74.1 (64.1, 84.1)	1.88 (1.47, 2.39)	<.001
Source of health insurance for teens
Provided through employment or union	51.2 (45.1, 57.4)	Reference
Not Provided through employment or union	59.1 (52.7, 65.6)	1.15 (0.98, 1.36)	0.084
Facility type for teen’s providers
All public facilities	60.2 (49.7, 70.6)	Reference
All hospital facilities	54.2 (33.7, 74.7)	0.90 (0.60, 1.35)	0.616
All private facilities	55.6 (48.6, 62.7)	0.93 (0.74, 1.15)	0.489
Mixed / Other	50.8 (43.8, 57.7)	0.84 (0.68, 1.05)	0.135
Do teen’s providers order vaccination from states/local health department
All providers	52.3 (47.2, 57.4)	Reference
Some but possibly not all	62.6 (51.3, 73.8)	1.20 (0.98, 1.46)	0.075
No providers	60.6 (44.7, 76.4)	1.16 (0.88, 1.52)	0.290
Don’t know	59.3 (42.5, 76.1)	1.13 (0.84, 1.53)	0.406
Receipt of Influenza vaccinationb
Yes	69.0 (61.7, 76.3)	1.51 (1.29, 1.76)	<.001
No	45.8 (40.2, 51.4)	Reference
Receipt of TDAP vaccinationc
Yes	58.9 (53.8, 64.1)	1.32 (1.06, 1.65)	0.015
No	44.6 (35.4, 53.7)	Reference
Receipt of Meningitis vaccinationd
Yes	62.2 (56.9, 67.6)	1.93 (1.50, 2.48)	<.001
No	32.2 (24.7, 39.8)	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