Figure 9. Chlamydia—Prevalence by Age Group and Race/Ethnicity, National Health and Nutrition Examination Survey, 1999–2002
NOTE: Error bars indicate 95% confidence intervals.
SOURCE: Datta SD, Sternberg M, Johnson RE, Berman S, Papp JR, McQuillan G, et al. Gonorrhea and chlamydia in the United States among persons 14 to 39 years of age, 1999 to 2002. Ann Intern Med. 2007;147(2):89-96.