Table 2.
Multinomial logit models investigating predictors of HPV vaccination status (comparison group is teens who initiated HPV series), OR (95% CI)
| Unvaccinated vs. initiated (Girls: 3723 unvac- cinated; 1656 initiated Boys: 6366 unvacci- nated; 1818 initiated) |
Completed vs. initiated (Girls: 1656 initiated; 3331 completed Boys: 1818 initiated; 1370 completed) |
|||
|---|---|---|---|---|
| Characteristics | Girls | Boys | Girls | Boys |
| N | 7375 | 7856 | 7375 | 7856 |
| Age of teens (Ref = 17) | ||||
| 13 | 0.68 (0.46, 0.99) | 1.24(0.85, 1.80) | 0.26 (0.17, 0.38) | 0.63 (0.39, 1.03) |
| 14 | 0.65 (0.44, 0.96) | 0.96 (0.67, 1.39) | 0.35 (0.24, 0.52) | 0.65 (0.40, 1.05) |
| 15 | 0.86 (0.58, 1.28) | 1.07 (0.72, 1.57) | 0.61 (0.40, 0.92) | 0.95 (0.57, 1.56) |
| 16 | 0.80 (0.53, 1.22) | 0.93 (0.65, 1.33) | 0.66 (0.44, 1.00) | 0.64 (0.42, 0.98) |
| Race/ethnicity of teens (Ref=NH white) | ||||
| Hispanic | 1.10(0.69, 1.75) | 0.67 (0.45, 0.99) | 1.30(0.88, 1.92) | 1.16 (0.67, 2.00) |
| NH black | 0.90 (0.59, 1.35) | 0.46 (0.31, 0.68) | 0.91 (0.61, 1.35) | 0.96 (0.61, 1.50) |
| NH others | 0.75(0.51, 1.12) | 0.91 (0.62, 1.33) | 1.16(0.76, 1.77) | 0.88 (0.56, 1.39) |
| VFC-eligible(Ref=Yes) | 0.87 (0.62, 1.23) | 0.67 (0.48, 0.96) | 0.88 (0.62, 1.25) | 0.84 (0.54, 1.29) |
| Ever uninsured since age 11 (Ref=Yes) | 0.69 (0.45, 1.05) | 0.84(0.54, 1.32) | 0.78 (0.49, 1.23) | 0.74 (0.36, 1.53) |
| Time from last check-up visit (year) | ||||
| 1 vs. 0 | 1.14(0.88, 1.46) | 1.21 (0.94, 1.55) | 0.79 (0.61, 1.01) | 1.02 (0.75, 1.40) |
| 2+ vs. 0 | 1.87 (1.26, 2.77) | 2.20 (1.33, 3.65) | 0.93 (0.58, 1.49) | 0.86 (0.40, 1.84) |
| State of residence (Ref=Northeast) | ||||
| Midwest | 0.69 (0.50, 0.94) | 1.50 (1.11, 2.03) | 0.68 (0.50, 0.93) | 1.03 (0.72, 1.49) |
| South | 0.90(0.66, 1.22) | 1.60 (1.17, 2.18) | 0.83 (0.61, 1.14) | 1.21 (0.85, 1.74) |
| West | 0.59 (0.39, 0.90) | 0.75 (0.53, 1.07) | 0.70 (0.46, 1.06) | 0.64 (0.41, 1.02) |
| Mother was the survey respondent (Ref=Yes) | 1.70 (1.25, 2.30) | 1.08 (0.81, 1.44) | 1.24 (0.91, 1.67) | 1.10(0.78,1.58) |
| Mother’s age (Ref=45+ years) | ||||
| ≤34 | 0.93 (0.58, 1.47) | 0.77(0.51, 1.16) | 0.96 (0.61, 1.49) | 0.73 (0.42, 1.24) |
| 35–44 | 1.18 (0.90, 1.54) | 0.84(0.65,1.10) | 0.98 (0.74, 1.29) | 0.72 (0.51, 1.03) |
| Education level of mother (Ref ≤ 12 years) | ||||
| 12 years | 1.95 (1.18, 3.22) | 0.89 (0.53, 1.49) | 1.47(0.88,2.44) | 0.62(0.34, 1.15) |
| >12 years, non-college grad | 1.82 (1.10, 3.00) | 1.04 (0.63, 1.70) | 0.98 (0.58, 1.66) | 0.61 (0.33, 1.13) |
| college graduate | 1.77 (1.07, 2.92) | 0.65(0.38,1.10) | 1.10(0.63,1.91) | 0.50 (0.27, 0.93) |
| Mother is married (Ref=Yes) | 1.35 (1.00, 1.82) | 1.62 (1.21,2.18) | 0.96 (0.72, 1.28) | 1.33 (0.92, 1.93) |
| Income level (Ref ≥ 200% FPL) | ||||
| Below poverty | 0.74(0.50,1.11) | 0.76(0.51,1.12) | 0.96 (0.64, 1.43) | 0.90(0.51, 1.57) |
| 100–200% FPL | 0.93 (0.66, 1.30) | 0.91 (0.59, 1.40) | 0.98 (0.70, 1.39) | 1.06 (0.65, 1.75) |
| English proficiency (Ref=Yes) | 2.42 (1.15,5.09) | 3.94 (2.16,7.22) | 0.69 (0.36, 1.32) | 1.05(0.51,2.14) |
| Facility type (Ref=private facilities) | ||||
| Hospital | 0.61 (0.38, 1.00) | 0.87 (0.59, 1.28) | 0.87 (0.54, 1.41) | 1.02(0.64, 1.62) |
| Public facilities | 0.85 (0.56, 1.28) | 1.10(0.71, 1.72) | 0.63 (0.42, 0.94) | 1.03 (0.58, 1.83) |
| STD/school/teen clinics/other | 1.30(0.66,2.56) | 2.34 (0.92, 5.95) | 0.58(0.29, 1.17) | 0.88 (0.34, 2.28) |
| Mixed facilities | 0.93 (0.70, 1.24) | 0.77 (0.58, 1.03) | 0.96 (0.72, 1.27) | 0.91 (0.61, 1.34) |
| Provider recommended vaccine (Ref=Yes) | 0.30 (0.22, 0.41) | 0.10 (0.08, 0.13) | 1.27 (0.89, 1.80) | 1.31 (0.88, 1.93) |
Bold font indicates statistical significance at p<0.05