TABLE 1—
Cohort Characteristics: 247 211 Individuals With Arrest or Incarceration in Jail, Prison, or Juvenile Detention: Marion County, Indiana, 2003–2008
| Characteristic | % or Mean ±SD |
| Race | |
| White | 54 |
| Black | 38 |
| Other or missing | 8 |
| Gender | |
| Male | 67 |
| Female | 33 |
| Age, y | |
| 7–17 | 10 |
| 18–24 | 32 |
| 25–34 | 28 |
| 35–44 | 18 |
| 45–54 | 9 |
| 55–64 | 2 |
| 65–100 | 1 |
| Missing | 1 |
| Age at baseline, y | 29.7 ±11.7 |
| Age of first offense during the study period, y | 30.5 ±11.5 |
| Age of first STI during the study period, y | 26.0 ±10.7 |
| History of offense | |
| Adult DOC | 12 |
| Juvenile DOC | 2 |
| Jail | 39 |
| Arrest | 49 |
| Juvenile detention | 6 |
| History of STI | |
| Chlamydia | 22 |
| Gonorrhea | 11 |
| Syphilis | 3 |
| HIV | 0 |
Note. DOC = department of corrections; STI = sexually transmitted infection.