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Related Experiment Videos

Participation in a school-based sexually transmitted disease screening program.

M Nsuami1, D A Cohen

  • 1Department of Public Health and Preventive Medicine, School of Medicine in New Orleans, Louisiana State University Health Sciences Center, USA.

Sexually Transmitted Diseases
|September 15, 2000
PubMed
Summary

School-based chlamydia screening programs show high participation and promise for adolescent STD control. Repeat testing revealed higher infection rates in students tested only once, suggesting continued screening benefits.

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Area of Science:

  • Public Health
  • Adolescent Health
  • Infectious Disease Epidemiology

Background:

  • School-based programs are crucial for expanding adolescent sexually transmitted disease (STD) screening.
  • This study focused on a repeated screening initiative in Louisiana public high schools.

Purpose of the Study:

  • To assess student participation in a repeated chlamydia screening program.
  • To determine the impact of screening frequency on chlamydia prevalence and incidence among adolescents.

Main Methods:

  • A cohort of 1475 consistently enrolled high school students participated over three school years (1995-1998).
  • Parental consent was required for testing; five screening opportunities were offered.
  • Analysis included students tested at least once, with a focus on those tested multiple times.

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Main Results:

  • High parental consent (97.8%) and student testing rates (88.5%) were achieved.
  • Chlamydia trachomatis prevalence was 1.8% (males) and 7.7% (females) for initial tests among frequently tested students.
  • Students tested only once showed significantly higher prevalence (6.2% males, 12.7% females) compared to those tested multiple times.
  • Incidence rates were 4.3 per 1000 person-months, with reinfections accounting for only 5.6% of cases.

Conclusions:

  • School-based chlamydia screening programs demonstrate high engagement and potential for STD control in adolescents.
  • The findings underscore the benefit of routine, continued screening, as single-test participants had double the prevalence.
  • Sustained screening efforts can significantly reduce the burden of chlamydia among high school students.