Appendix E.
Adjusted Multivariable Logistic Regression Model Stratified by Child Age.
| Variables | 11 years old | 12 years old | 13 years old | 14 years old | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| aOR | p-value | [95% CI] | aOR | p-value | [95% CI] | aOR | p-value | [95% CI] | aOR | p-value | [95% CI] | |||||
| No Health Insurance | 0.301 | 0.007* | 0.127 | 0.715 | 1.301 | 0.470 | 0.637 | 2.657 | 0.76 | 0.597 | 0.275 | 2.102 | 0.295 | 0.108 | 0.067 | 1.308 |
| Mother Race + Ethnicity (Reference: Non-Hispanic White) | ||||||||||||||||
| NH Black | 0.887 | 0.711 | 0.469 | 1.675 | 1.313 | 0.518 | 0.575 | 3.001 | 2.168 | 0.165 | 0.727 | 6.462 | 1.877 | 0.267 | 0.617 | 5.711 |
| Hispanic | 1.211 | 0.542 | 0.655 | 2.241 | 1.996 | 0.058 | 0.978 | 4.075 | 1.465 | 0.454 | 0.539 | 3.981 | 2.494 | 0.153 | 0.711 | 8.745 |
| Asian, Other, Multiple | 1.171 | 0.685 | 0.546 | 2.508 | 1.96 | 0.115 | 0.849 | 4.528 | 0.804 | 0.603 | 0.354 | 1.828 | 0.937 | 0.883 | 0.393 | 2.23 |
| How many of your child’s friends do you think have received HPV vaccine, or may receive the vaccine in the next year? (Reference: None/Some) | ||||||||||||||||
| About half | 1.773 | 0.035* | 1.043 | 3.014 | 2.531 | 0.002* | 1.407 | 4.553 | 2.014 | 0.034* | 1.055 | 3.842 | 4.025 | 0.006* | 1.502 | 10.785 |
| Most/All | 2.505 | <0.001* | 1.521 | 4.126 | 2.994 | <0.001* | 1.663 | 5.392 | 5.747 | <0.001* | 2.361 | 13.99 | 2.332 | 0.021* | 1.136 | 4.79 |
| Vaccine Confidence Scale (Reference: Low (at or below median VCS)) Above Median VCS | 0.699 | 0.096 | 0.458 | 1.065 | 0.917 | 0.705 | 0.584 | 1.439 | 0.613 | 0.078 | 0.355 | 1.057 | 0.798 | 0.454 | 0.443 | 1.44 |
| Received other vaccines (Reference: Received none) | ||||||||||||||||
| One or more | 1.533 | 0.043* | 1.014 | 2.318 | 1.155 | 0.541 | 0.728 | 1.834 | 0.967 | 0.905 | 0.555 | 1.684 | 1.868 | 0.037* | 1.039 | 3.361 |
| Provider Recommendation Quality (Reference: No recommendation) | ||||||||||||||||
| Low Quality Recommendation | 1.569 | 0.176 | 0.816 | 3.017 | 1.091 | 0.804 | 0.548 | 2.174 | 0.984 | 0.966 | 0.466 | 2.076 | 1.028 | 0.946 | 0.455 | 2.323 |
| High Quality Recommendation | 2.307 | <0.001* | 1.48 | 3.597 | 2.188 | 0.002* | 1.337 | 3.582 | 3.821 | <0.001* | 2.114 | 6.907 | 2.376 | 0.009* | 1.238 | 4.558 |
| Reasons for Intent or Already Vaccinated | ||||||||||||||||
| My provider recommended it. | 2.405 | <0.001* | 1.582 | 3.657 | 2.925 | <0.001* | 1.818 | 4.708 | 1.659 | 0.071 | 0.958 | 2.873 | 2.742 | 0.001* | 1.526 | 4.926 |
| Heard, Belief, and Protect Composite (Reference: Low Score) High Score 1 | 0.468 | <0.001* | 0.306 | 0.714 | 0.302 | <0.001* | 0.186 | 0.491 | 0.451 | 0.004* | 0.262 | 0.776 | 0.766 | 0.398 | 0.412 | 1.423 |
| Family members or friends recommended it. | 0.263 | <0.001* | 0.124 | 0.557 | 0.805 | 0.585 | 0.369 | 1.754 | 0.685 | 0.454 | 0.255 | 1.844 | 1.118 | 0.851 | 0.35 | 3.567 |
aOR = adjusted odds ratio
CI = confidence interval
*
Denotes significant p-value (α = 0.05)