Chlamydia Prevalence Trends Among Women and Men Entering the National Job Training Program From 1990 Through 2012

摘要

Background Evaluating chlamydia prevalence trends from sentinel surveillance is important for understanding population disease burden over time. However, prevalence trend estimates from surveillance data may be misleading if they do not account for changes in risk profiles of individuals who are screened (case mix) and changing performance of the screening tests used.