Table 2. Characteristics of women tested for C. trachomatis in clinics providing outcome data for the trial compared to all women in areas of WA State participating in the trial.
| Characteristic | Estimated Population of Women Who Had Ever Had Sex with a Man in WA State LHJs Participating in the Trial, 2008a | Women Tested for Chlamydial Infection in Sentinel Clinical Sites, 2007–2010 |
|---|---|---|
| Number of women ages 14–25 y | 243,666 | 91,971b |
| Age group | ||
| 14–17 y | 12.4% | 17,359 (18.9%) |
| 18–20 y | 28.4% | 40,159 (43.7%) |
| 21–23 y | 35.4% | 28,522 (31.0%) |
| 24–25 y | 23.7% | 5,931 (6.5%) |
| Race | ||
| White | 87.3% | 65,516 (71.2%) |
| Black | 4.0% | 3,214 (3.5%) |
| Native American | 2.7% | 1,820 (2.0%) |
| Asian | 6.0% | 3,108 (3.4%) |
| Other | Not measured | 9,337 (10.2%) |
| Hispanic ethnicity | 15.1% | 13,375 (14.7%) |
Data are percent or number (percent).
aEstimates of sexually active women were calculated by defining the proportion of women at each age who have ever had sex in the US national data from the National Survey of Family Growth 2006–2010, and multiplying the number of women in each age group by that proportion.
bDe-duplicated; each woman contributes only one record. Data on race were missing for 9.7% of women tested in sentinel clinical sites.