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. Author manuscript; available in PMC: 2019 May 1.
Published in final edited form as: J Pediatr. 2018 Nov 15;206:33–41.e1. doi: 10.1016/j.jpeds.2018.10.034

Table IV.

Multivariable logistic regression and predictive marginal analysis of HPV vaccination of male adolescents aged 13-17 years in the US, by parental report of provider recommendation status, demographic, and access-to-care variables—NIS-Teen 2016

Overall, adjusted prevalence difference (95% CI) Parental report of provider recommendation for vaccine, adjusted prevalence difference, % (95% CI)
Characteristics Yes No
Parental report of provider recommendation for vaccine
 Yes* Ref
 No −32.0 (−35.7 to −28.3)
Age, y
 13-15* Ref Ref Ref
 16-17 4.0 (0.5-7.6) 4.9 (0.9-9.0) 3.9 (−1.8 to 9.6)
Race/ethnicity
 Non-Hispanic white* Ref Ref Ref
 Non-Hispanic black 7.0 (1.2-12.8) 3.3 (−3.6 to 10.3) 13.2 (4.0-22.4)
 Hispanic 11.4 (6.0-16.9) 9.2 (2.8-15.5) 18.9 (10.1-27.8)
 American Indian/Alaskan Native −4.2 (−24.2 to 15.7) −20.3 (−43.0 to 2.4) 20.1 (3.2-36.9)
 Asian 4.4 (−5.3 to 14.1) 8.9 (−1.5 to 19.3) −1.2 (−15.7 to 13.3)
 Other 5.3 (−3.9 to 4.4) 1.7 (−7.4 to 10.8) 9.6 (−5.5 to 24.7)
Mother’s educational level
 Less than high school* Ref Ref Ref
 High school −3.1 (−10.4 to 4.3) −0.7 (−10.0 to 8.6) −5.7 (−16.2 to 4.7)
 Some college or college graduate −8.4 (−15.8 to −0.9) −4.8 (−14.3 to 4.6) −11.5 (−21.7 to −1.4)
 Beyond college graduate −6.2 (−13.8 to 1.3) −2.8 (−12.3 to 6.7) −10.7 (−21.3 to 0.0)
Mother’s marital status
 Married* Ref Ref Ref
 Widowed/divorced/separated −0.1 (−4.7 to 4.6) 1.5 (−3.9 to 6.9) 1.0 (−5.7 to 7.8)
 Never married 2.5 (−5.3 to 10.3) 1.5 (−7.6 to 10.6) 7.5 (−3.2 to 18.1)
Mother’s age, y
 ≤34* Ref Ref Ref
 35-44 −8.0 (−14.2 to −1.8) −9.4 (−17.0 to −1.7) −3.3 (−12.5 to 6.0)
 ≥45 −5.2 (−11.6 to 1.1) −3.3 (−11.0 to 4.4) −6.1 (−15.8 to 3.6)
Country of birth
 Born in US* Ref Ref Ref
 Born outside US 3.2 (−7.6 to 14.1) −6.6 (−19.9 to 6.7) 17.6 (3.9-31.3)
Income-to-poverty ratio, %
 <133* Ref Ref Ref
 133 to <322 −0.9 (−6.4 to 4.6) 2.5 (−4.5 to 9.5) −7.2 (−15.3 to 0.9)
 322 to <503 −1.2 (−7.8 to 5.5) 4.8 (−3.4 to 12.9) −11.7 (−21.5 to −2.0)
 >503 0.1 (−6.9 to 7.2) 7.3 (−1.0 to 15.5) −15.0 (−25.5 to −4.4)
Medical insurance
 Private only* Ref Ref Ref
 Any Medicaid 12.1 (6.9-17.4) 15.2 (9.0-21.5) 3.3 (−4.1 to 10.7)
 Other§ 4.9 (−1.9 to 11.8) 9.2 (1.2-17.2) −1.3 (−12.8 to 10.1)
 Uninsured 5.7 (−4.8 to 16.2) 13.8 (0.1-27.4) −6.6 (−17.6 to 4.5)
Physician contacts within past year
 None* Ref Ref Ref
 1 3.3 (−2.3 to 8.9) 7.0 (−0.1 to 14.1) −0.8 (−8.4 to 6.8)
 2-3 7.4 (1.9-13.0) 10.9 (3.9-17.9) 4.9 (−2.7 to 12.4)
 ≥4 7.8 (1.8-13.8) 13.2 (5.8-20.6) 0.7 (−8.3 to −9.7)
Well child visit at age 11-12 y
 Yes* Ref Ref Ref
 No −9.4 (−14.0 to −4.9) −6.4 (−12.0 to −0.8) −11.0 (−17.7 to −4.2)
 Don’t know −7.9 (−12.0 to −3.9) −7.2 (−12.0 to −2.5) −7.7 (−14.4 to −0.9)
Number of providers
 1 2.5 (−3.2 to 8.2) 7.2 (0.6-13.9) −3.6 (−11.7 to 4.5)
 2 −0.8 (−6.5 to 5.0) 1.9 (−5.0 to 8.8) −3.5 (−12.2 to 5.2)
 ≥3* Ref Ref Ref
MSA
 MSA, central city 11.3 (6.3-16.3) 7.9 (1.6-14.3) 11.7 (4.8-18.7)
 MSA, non-central city 9.6 (4.6-14.6) 5.4 (−0.9 to 11.8) 13.2 (6.5-20.0)
 Non-MSA* Ref Ref Ref
Facility type
 All private facilities* Ref Ref Ref
 All public facilities 6.4 (0.8-12.0) 4.5 (−2.8 to 11.8) 8.8 (1.0-16.6)
 All hospital facilities 4.7 (−0.4 to 9.9) 5.6 (−0.5 to 11.6) 1.7 (−7.1 to 10.5)
All STD/school/teen clinics or other facilities 0.7 (−11.3 to 12.6) 3.1 (−10.2 to 16.3) 0.0 (−21.0 to 21.0)
 Mixed** 1.3 (−3.7 to 6.2) 4.3 (−1.5 to 10.1) −5.4 (−12.7 to 2.0)
 Other†† −17.4 (−32.6 to −2.2) −19.4 (−36.9 to −2.0) −11.9 (−33.3 to 9.4)
*

Reference level.

P< .05 compared with the reference level.

Insurance categories are mutually exclusive.

§

Includes IHS, military, CHIP, and some private.

Status of healthcare visit at age 11-12 years based on provider-reported data.

**

Mixed indicates that the facility is identified to be in more than one of the facility categories such as private, public, hospital, and STD/school/teen clinics.

††

Includes military, WIC clinics, and pharmacies.