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  Vol. 292 No. 7, August 18, 2004 TABLE OF CONTENTS
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Prevalence of Chlamydial and Gonococcal Infections Among Young Adults—Reply

Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

In Reply: We appreciate the comments of Dr Gaydos and colleagues highlighting their important work in military populations. Although we observed an overall prevalence of chlamydia infection of 4.19%, the prevalence in military recruits was higher. This difference is not surprising given the differences in the study populations. However, we believe that the direct comparison of their prevalence estimates and our recent estimates from Add Health is not appropriate.

They report prevalences for a specialized population. In these and similar studies, an implicit assumption is that the study sample is a simple random sample of a larger target population. For their studies, the most reasonable target population is military recruits. The military population is self-selected and is unlikely to represent a general US young adult target population.

In contrast, Add Health provides the first nationally representative estimates of chlamydial and gonococcal infections in both men and women. From a sampling . . . [Full Text of this Article]

William C. Miller, MD, PhD, MPH
bill_miller@unc.edu

Carol A. Ford, MD; Marcia M. Hobbs, PhD; Myron S. Cohen, MD
Department of Medicine

John L. Schmitz, PhD
Department of Pathology and Laboratory Medicine

Kathleen Mullan Harris, PhD
Department of Sociology
University of North Carolina at Chapel Hill

Mark S. Handcock, PhD; Martina Morris, PhD
Departments of Sociology and Statistics
University of Washington
Seattle



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RELATED ARTICLE

Prevalence of Chlamydial and Gonococcal Infections Among Young Adults
Charlotte A. Gaydos, Kelly T. McKee, Jr, Thomas C. Quinn, and Joel C. Gaydos
JAMA. 2004;292(7):801.
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