Table 1.
Study characteristics (k = 118)
| Characteristic | % |
|---|---|
| Publication Year | |
| 2009–2011 | 28 |
| 2012–2014 | 40 |
| 2015–2017 | 32 |
| Sampling of Clusters | |
| Single-site/Multi-site | 37 |
| Statewide/Multi-state | 21 |
| National | 41 |
| Sampling of Patients | |
| Probability | 51 |
| Convenience | 49 |
| Response Rate | |
| <50% | 14 |
| 50–75% | 19 |
| >75% | 8 |
| Census (100% included) | 26 |
| Not Reported | 32 |
| Sex | |
| Female Only | 69 |
| Male Only | 13 |
| Both | 19 |
| Ages Included1 (Years) | |
| 9–10 | 23 |
| 11–12 | 53 |
| 13–17 | 64 |
| 18–26 | 71 |
| >26 | 9 |
| Source of Race and Ethnicity Data | |
| Self-report | 75 |
| Administrative Data | 25 |
| Race- White | |
| <30% | 25 |
| 30–50% | 13 |
| 51–75% | 46 |
| >75% | 16 |
| Race- Black | |
| <10% | 40 |
| 10–20% | 26 |
| >20 | 30 |
| Not reported | 3 |
| Race- Asian | |
| <5% | 25 |
| 5–9% | 16 |
| >9% | 7 |
| Not reported | 44 |
| Hispanic Ethnicity | |
| <15% | 36 |
| 15–30% | 33 |
| >30% | 18 |
| Not reported | 13 |
| Hispanic Ethnicity Reporting | |
| Part of Race Variable | 92 |
| Separate Variable | 8 |
| Missingness of Race and Ethnicity | |
| Not reported | 86 |
| Reported, <10% | 10 |
| Reported, >10% | 4 |
| Handling of Missingness for Race and Ethnicity (k=39) | |
| Imputed | 11 |
| Excluded from analysis | 13 |
| Included in "Other" | 7 |
| Included as own category | 3 |
| Not reported | 67 |
| Source of HPV Vaccination Data | |
| Participant-report | 36 |
| Parent-report | 22 |
| Insurance Claims Data | 5 |
| Clinic vaccination record | 33 |
| Immunization registry | 3 |
| National Immunization Survey—Teen Data | |
| No | 90 |
| Yes | 10 |
| Participant Sample Size | |
| <500 | 20 |
| 500–1,999 | 30 |
| 2,000–10,000 | 19 |
| >10,000 | 30 |
| Study Design | |
| Cross-sectional | 92 |
| Longitudinal | 8 |
1
Studies may include more than one age category- percentages do not add to 100.