FIGURE.

Prevalence of genital Chlamydia trachomatis* among sexually active^† females aged 14–39 years, by age group and race/ethnicity — National Health and Nutrition Examination Survey, United States, 2007–2012

* Prevalence estimates based urine specimen tested using the Hologic/Gen-Probe Aptima assay.

^† Among females who answered “yes” to the question, “Have you ever had vaginal, anal, or oral sex?” (n = 2,887).

^§ 95% confidence interval.

^¶ Data for persons of other racial/ethnic groups, including other, Hispanic (n = 492) and persons of multiple race/ethnicity (n = 422) are not presented but are included in overall estimate.

** Relative standard error >40% but <50% (n = 7).

^†† Differences are statistically significant at p<0.05.