Table 3.
Multinomial logit models investigating predictors of intent to initiate and intent to complete the HPV vaccination, OR (95 % CI)
| Among unvaccinated teens |
Among initiated teens |
|||
|---|---|---|---|---|
| Characteristics | Girls (3723) | Boys (6366) | Girls (1656) | Boys (1818) |
| N | 3085 | 5135 | 1384 | 1512 |
| Age of teens (Ref = 17) | ||||
| 13 | 1.54 (0.99, 2.40) | 1.09 (0.78, 1.52) | 2.20 (1.03, 4.70) | 1.87 (0.78, 4.47) |
| 14 | 1.50(0.96,2.33) | 0.98 (0.70, 1.36) | 1.80(0.81,4.02) | 0.95 (0.41, 2.21) |
| 15 | 1.34(0.85,2.12) | 1.05 (0.76, 1.46) | 1.35 (0.66, 2.77) | 1.30 (0.57, 2.97) |
| 16 | 1.09 (0.69, 1.73) | 1.15(0.83, 1.61) | 1.09 (0.52, 2.28) | 1.04 (0.49, 2.20) |
| Race/ethnicity of Teens (Ref=NH white) | ||||
| Hispanic | 2.10 (1.32, 3.33) | 1.71(1.17,2.49) | 0.90(0.42, 1.94) | 1.12 (0.51, 2.44) |
| NH black | 1.31(0.85,2.03) | 1.26 (0.90, 1.75) | 1.34 (0.64, 2.78) | 1.71 (0.86, 3.40) |
| NH others | 0.98 (0.63, 1.51) | 1.28 (0.89, 1.85) | 0.56 (0.25, 1.23) | 1.57 (0.73, 3.36) |
| VFC-eligible(Ref=Yes) | 0.77(0.53, 1.12) | 1.12(0.83, 1.51) | 0.76 (0.40, 1.47) | 1.18(0.58,2.42) |
| Ever uninsured since age 11 (Ref=Yes) | 0.72(0.41, 1.25) | 0.90(0.61, 1.34) | 0.86 (0.43, 1.69) | 1.32(0.56,3.10) |
| Time from last check-up visit (year) | ||||
| 1 vs. 0 | 1.29 (0.99, 1.70) | 1.04 (0.85, 1.29) | 0.54 (0.34, 0.85) | 1.24(0.73,2.11) |
| 2+ vs. 0 | 0.79 (0.55, 1.15) | 1.10(0.81, 1.51) | 0.67 (0.28, 1.64) | 0.71 (0.23,2.19) |
| State of residence (Ref=Northeast) | ||||
| Midwest | 0.86(0.61, 1.21) | 0.97 (0.73, 1.29) | 0.37 (0.19, 0.75) | 1.13(0.58,2.20) |
| South | 1.02(0.73, 1.43) | 1.00 (0.75, 1.33) | 0.43 (0.21,0.86) | 1.01 (0.57, 1.77) |
| West | 1.04 (0.67, 1.62) | 1.03 (0.72, 1.48) | 0.61 (0.27, 1.40) | 1.08(0.50,2.31) |
| Mother was the survey respondent (Ref=Yes) | 0.72 (0.53, 0.96) | 1.27 (1.00, 1.63) | 2.49 (1.46,4.22) | 1.99(1.19,3.33) |
| Mother’s age (Ref=45+ years) | ||||
| ≤34 | 1.13 (0.67, 1.89) | 0.91 (0.63, 1.32) | 0.70 (0.32, 1.52) | 0.69(0.31,1.51) |
| 35–44 | 0.82 (0.63, 1.07) | 1.06 (0.85, 1.33) | 0.96 (0.57, 1.64) | 0.73 (0.40, 1.32) |
| Education level of mother (Ref ≤ 12 years) | ||||
| 12 years | 0.71 (0.40, 1.27) | 0.84 (0.52, 1.35) | 0.41 (0.17, 1.00) | 0.93(0.41,2.12) |
| >12 years, non-college grad | 0.53 (0.29, 0.95) | 0.72(0.45,1.14) | 0.56 (0.23, 1.38) | 0.67 (0.28, 1.58) |
| College graduate | 0.45 (0.25, 0.81) | 0.68(0.42,1.11) | 0.60 (0.23, 1.59) | 0.67 (0.24, 1.86) |
| Mother is married (Ref=Yes) | 0.66 (0.48,0.92) | 0.67 (0.53,0.85) | 1.12(0.68, 1.82) | 1.12(0.66, 1.92) |
| Income level (Ref > 200% FPL) | ||||
| Below poverty | 1.06 (0.71, 1.57) | 1.00 (0.72, 1.40) | 1.55 (0.70, 3.43) | 0.34 (0.17, 0.68) |
| 100–200% FPL | 1.44(1.00,2.09) | 0.78 (0.58, 1.06) | 1.30(0.67,2.53) | 0.47 (0.24, 0.94) |
| English proficiency (Ref=Yes) | 0.75 (0.33, 1.74) | 0.65 (0.32, 1.30) | 0.37(0.11, 1.30) | 1.01 (0.38, 2.73) |
| Facility type (Ref=private facilities) | ||||
| Hospital | 1.17(0.75,1.84) | 0.97 (0.65, 1.43) | 0.70 (0.29, 1.67) | 1.38 (0.57, 3.38) |
| Public facilities | 1.20 (0.80, 1.79) | 0.83 (0.60, 1.15) | 0.42 (0.20, 0.85) | 0.84(0.36, 1.97) |
| STD/school/teen clinics/other | 0.76 (0.36, 1.61) | 1.08 (0.60, 1.98) | 0.68(0.18,2.48) | 0.28(0.06, 1.31) |
| Mixed facilities | 1.02 (0.73, 1.42) | 1.14(0.90, 1.46) | 0.76 (0.43, 1.32) | 1.15(0.63,2.12) |
| Provider recommended vaccine (Ref=Yes) | 2.32 (1.77,3.02) | 2.76 (2.22, 3.43) | 1.97 (1.10, 3.52) | 2.24 (1.27, 3.97) |
Bold font indicates statistical significance at p<0.05