Table 1.
Demographics and completion rates
| RADAR |
eleMENt |
|||
| Variable | n | % | n | % |
| Gender identity | ||||
| Cisgender men | 1,028 | 91.9% | 299 | 100.0% |
| Transgender/nonbinary | 91 | 8.1% | 0 | 0.0% |
| Race/ethnicity | ||||
| Black | 374 | 33.4% | 299 | 100.0% |
| Latinx | 335 | 29.9% | 0 | 0.0% |
| White | 284 | 25.4% | 0 | 0.0% |
| Other | 126 | 11.3% | 0 | 0.0% |
| Sexual orientation | ||||
| Gay | 775 | 69.3% | 216 | 72.2% |
| Bisexual | 237 | 21.2% | 65 | 21.7% |
| Other | 107 | 9.6% | 18 | 6.0% |
| Age at Visit 1, M (SD) | 21.39 (3.05); range: 16–30 | 24.33 (3.03); range: 18–29 | ||
| Substance use at baseline | ||||
| Alcohol | 976 | 87.2% | 263 | 88.0% |
| Cannabis | 661 | 59.1% | 196 | 65.6% |
| Stimulant | 159 | 14.2% | 39 | 13.0% |
Notes: RADAR = an ongoing longitudinal cohort study of multilevel influences on HIV and substance use among young SGM-AMAB in Chicago, Illinois; eleMENt = a longitudinal cohort of young Black sexual minority cisgender men in Atlanta, Georgia, designed to evaluate the relationship between substance use and HIV/STI incidence.