Background
Methods
Design and participants
Survey procedures
Measures
Analysis
Results
Survey respondentsa
n = 164 | Survey non-respondents n = 1777 |
p
| |
---|---|---|---|
Parent Characteristics | |||
Mean age (years) | 43.7 ± 6.1 | NA | |
Gender | NA | ||
Female | 136 (83%) | ||
Male | 28 (17%) | ||
Race/ethnicity | NA | ||
White, Non-Hispanic | 157 (96%) | ||
Not White or Hispanic | 5 (3%) | ||
Unknown | 2 (1%) | ||
Education | NA | ||
High school or less | 13 (8%) | ||
Some college | 23 (14%) | ||
Associates degree | 40 (24%) | ||
Bachelors degree | 48 (29%) | ||
Graduate degree | 40 (24%) | ||
Health insurance | NA | ||
Private | 137 (83%) | ||
Public-assisted | 26 (16%) | ||
Unknown | 1 (1%) | ||
Adolescent Characteristics | |||
Age | 0.041 | ||
11–13 years | 118 (72%) | 1137 (64%) | |
≥ 14 years | 46 (28%) | 640 (36%) | |
Gender | 0.083 | ||
Female | 79 (48%) | 732 (41%) | |
Male | 85 (52%) | 1045 (59%) | |
Mean number of ambulatory care visits over past 3 years | 4.2 ± 2.6 | 3.9 ± 2.9 | 0.182 |
Received 1–2 prior HPV vaccine doses | 0.921 | ||
Yes | 53 (32%) | 581 (33%) | |
No | 111 (68%) | 1196 (67%) | |
Received Tdap and meningococcal vaccines | 0.001 | ||
Yes | 142 (87%) | 1385 (78%) | |
No | 22 (13%) | 392 (22%) |
Baselinea
| Follow-up | Change (follow-up minus baseline points) | |
---|---|---|---|
CHIAS scores (1–4 points) | |||
Barriers | 1.4 ± 0.4 | 1.4 ± 0.4 | 0.0 ± 0.4 |
Harms | 2.2 ± 0.6 | 2.1 ± 0.6 | 0.0 ± 0.5 |
Uncertainties | 2.2 ± 0.7 | 2.0 ± 0.7 | −0.2 ± 0.6 |
Ineffectiveness | 2.1 ± 0.9 | 1.8 ± 0.9 | −0.2 ± 0.7 |
Next HPV vaccine dose
Next HPV vaccine dose receipt (Yes vs. No) | HPV vaccine series completion (Yes vs. No) | |||
---|---|---|---|---|
Basic a OR (95% CI) | Multivariable OR (95% CI) | Basic OR (95% CI) | Multivariable OR (95% CI) | |
CHIAS change scores (follow-up minus baseline points) | ||||
Barriers | 1.6 (0.6, 4.1)
p = 0.320 | --- b
| 1.9 (0.7, 5.1)
p = 0.215 | --- |
Harms | 5.4 (2.0, 14.1)
p < 0.001 | --- | 2.8 (1.1, 6.8)
p = 0.025 | --- |
Uncertainties | 3.8 (1.9, 7.5)
p < 0.001 | 4.9 (2.0, 12.2)
p < 0.001 | 2.3 (1.1, 4.5)
p = 0.022 | --- |
Ineffectiveness | 2.3 (1.3, 4.2)
p = 0.004 | --- | 1.3 (0.8, 2.1)
p = 0.334 | --- |
CHIAS baseline scores (points at baseline) | ||||
Harms | --- | 11.7 (4.0, 34.2)
p < 0.001 | --- | 5.2 (2.2, 12.1)
p = 0.001 |
Uncertainties | --- | 2.5 (1.0, 6.2)
p = 0.044 | --- | --- |
Health insurancec
| ||||
Public-assisted vs. private | --- | 6.0 (1.5, 23.6)
p = 0.011 | --- | --- |
Provider recommended HPV vaccine | ||||
Yes vs. no | --- | 4.1 (1.3, 12.9)
p = 0.015 | --- | --- |
1–2 prior HPV vaccine doses | ||||
Yes vs. no | --- | 7.1 (2.0, 25.6)
p = 0.003 | --- | 14.0 (5.8, 34.1)
p < 0.001 |