Table 1.
Characteristics of study sample by gender
| Girls |
Boys |
|||
|---|---|---|---|---|
| Sample | p-valuea | Sample | p-valueb | |
| N (weighted N) | 8710 (10,162,055) | 9554 (10,649,852) | ||
| Characteristic of teens (weighted %) | ||||
| Age | <0.0001 | 0.812 | ||
| 13 | 19.57 | 20.01 | ||
| 14 | 19.58 | 21.23 | ||
| 15 | 21.59 | 19.74 | ||
| 16 | 22.65 | 20.17 | ||
| 17 | 16.61 | 18.84 | ||
| Race/ethnicity | <0.0001 | <0.0001 | ||
| Hispanic | 21.34 | 22.80 | ||
| NH White | 55.78 | 54.34 | ||
| NH Black | 13.37 | 14.13 | ||
| NH Others | 9.52 | 8.72 | ||
| Insurance type | 0.0063 | <0.0001 | ||
| Private | 58.23 | 57.23 | ||
| VFC-eligible* | 30.09 | 31.22 | ||
| Others | 3.88 | 3.44 | ||
| Unknown | 7.79 | 8.10 | ||
| Had ever been uninsured since age 11 | 0.2663 | 0.703 | ||
| No | 84.26 | 84.97 | ||
| Yes | 8.22 | 7.60 | ||
| Unknown | 7.51 | 7.43 | ||
| Time from last check-up visit (year) | <0.0001 | <0.0001 | ||
| 0 | 43.89 | 41.73 | ||
| 1 | 41.00 | 41.20 | ||
| 2+ | 13.43 | 15.72 | ||
| Unknown | 1.68 | 1.35 | ||
| Census region based on true state of residence | 0.0017 | <0.0001 | ||
| Northeast | 16.86 | 16.87 | ||
| Midwest | 21.70 | 21.68 | ||
| South | 37.50 | 37.47 | ||
| West | 23.93 | 23.98 | ||
| Characteristic of caregiver (weighted %) | ||||
| Relationship of respondent to the teen | 0.005 | 0.045 | ||
| Mother | 72.86 | 72.54 | ||
| Other family member/friend | 27.12 | 27.45 | ||
| Mother’s age | 0.0231 | 0.0009 | ||
| ≤34 | 10.53 | 9.62 | ||
| 35–44 | 43.79 | 45.20 | ||
| ≥45 | 45.69 | 45.18 | ||
| Education level of mother | <0.0001 | <0.0001 | ||
| <12 years | 13.69 | 13.92 | ||
| 12 years | 24.01 | 24.28 | ||
| >12 years, no-college degree | 26.30 | 25.56 | ||
| College graduate | 36.00 | 36.24 | ||
| Marital status of mother | <0.0001 | <0.0001 | ||
| Unmarried | 35.02 | 34.10 | ||
| Married | 64.98 | 65.90 | ||
| Income level | 0.0014 | <0.0001 | ||
| Below poverty | 26.81 | 28.52 | ||
| 100–200% FPL | 20.64 | 20.78 | ||
| Above 200% FPL | 52.55 | 50.70 | ||
| Language in which survey was conducted | <0.0001 | <0.0001 | ||
| English | 88.82 | 87.46 | ||
| Spanish/other | 11.18 | 12.54 | ||
| Characteristic of provider (weighted %) | ||||
| Facility type | 0.0059 | 0.2267 | ||
| Public facilities | 15.90 | 14.47 | ||
| Hospital facilities | 8.30 | 8.92 | ||
| Private facilities | 47.50 | 50.99 | ||
| STD/school/teen clinics or other facilities | 3.35 | 2.78 | ||
| Mixed | 22.76 | 20.43 | ||
| Unknown | 2.19 | 2.41 | ||
| Provider recommended HVP vaccine | <0.0001 | <0.0001 | ||
| No | 28.31 | 49.42 | ||
| Yes | 64.42 | 41.64 | ||
| Unknown | 7.27 | 8.93 | ||
a
Vaccine for Children (VFC) program provides vaccines at no cost to children who might not otherwise be vaccinated because of inability to pay. Children who are eligible for VFC are entitled to receive those vaccines recommended by the Advisory Committee on Immunization Practices, including HPV for girls. Children who are eligible for the VFC program include enrollees of Medicaid, S-CHIP, or Indian health service, uninsured, and those covered by military health care, Tricare, CHAMPUS, or champ-VA
b
Rao-Scott Chi-Square Test was performed to measure the associations between individual covariates and HPV vaccination status