TABLE 1.
Cohort Characteristics of Study Population in Indianapolis, Indiana, from 2002–2007 (N = 23 035 Individuals)
| n (%) | |
|---|---|
| Age at first visit | |
| 14–15 y | 1847 (8) |
| 16–17 y | 2718 (12) |
| 18–19 y | 3955 (17) |
| 20–21 y | 4612 (20) |
| 22–23 y | 4959 (22) |
| 24–25 y | 4944 (21) |
| Race/ethnicity | |
| White | 10 548 (46) |
| Black | 8175 (35) |
| Hispanic | 2707 (12) |
| Other/missing data | 1605 (7) |
| Insurance status | |
| Private | 8237 (36) |
| Public | 11 440 (50) |
| Public pending | 429 (2) |
| Self-pay | 1126 (5) |
| Other/missing data | 705 (3) |
| >1 insurance type over time | 1098 (5) |
| History of chlamydia | 1691 (7) |
| History of STI | 2789 (12) |
| History of pregnancy | 12 267 (53) |