Table 1. Participant Characteristics at Baseline.
| Characteristic | No. (%) |
|---|---|
| No. | 408 |
| Sex | |
| Male | 360 (90) |
| Female | 40 (10) |
| Age, y | |
| 29-49 | 125 (31) |
| 50-64 | 176 (44) |
| 65-82 | 99 (24) |
| Race | |
| Black | 87 (21) |
| White | 293 (72) |
| Othera | 28 (7) |
| Study site | |
| Johns Hopkins | 371 (91) |
| Mount Sinai | 37 (9) |
| Participant risk factors | |
| History of anogenital cancer/dysplasia | 23 (6) |
| Partners of someone with HPV-OPSCC | 30 (7) |
| Partners of someone with anogenital cancer/dysplasia | 10 (2) |
| Male aged >30 y and ≥2 oral sex partners | 345 (85) |
Abbreviations: HPV, human papillomavirus; OPSCC, oropharyngeal cancer.
a
Other races and ethnicities reported were Asian, American Indian or Alaska Native, Native Hawaiian or Pacific Islander, multirace, or any other.