Author Contributions: As principal investigators,
Drs Raine and Harper had full access to all of the data in the study and take
responsibility for the integrity of the data and the accuracy of the data
Study concept and design: Raine, Harper, Rocca,
Padian, Klausner, Darney.
Acquisition of data: Raine, Harper, Rocca,
Analysis and interpretation of data: Raine,
Harper, Rocca, Padian, Klausner, Darney.
Drafting of the manuscript: Raine, Harper,
Critical revision of the manuscript for important
intellectual content: Raine, Harper, Fischer, Padian, Klausner, Darney.
Statistical analysis: Harper, Klausner.
Obtained funding: Raine, Harper, Rocca, Klausner,
Administrative, technical, or material support:
Raine, Rocca, Fischer, Padian, Klausner, Darney.
Study supervision: Raine, Harper, Rocca, Fischer,
Funding/Support: This research was supported
by grants from the Compton Foundation, Inc, the Open Society Institute, the
Walter Alexander Gerbode Foundation, and the William and Flora Hewlett Foundation.
The Women’s Capital Corporation, distributor of Plan B, donated the
emergency contraception for use in the trial.
Role of the Sponsors: The funding organizations
played no role in the design and conduct of the study; in the collection,
management, analysis, and interpretation of the data; and in the preparation,
review, or approval of the manuscript for submission.
Disclaimer: The opinions in this article do
not necessarily reflect those of the funding organizations or the Planned
Parenthood Federation of America, Inc.
Acknowledgment: The San Francisco Department
of Public Health and Diagnology LTD donated the tests for the sexually transmitted
infections. We are indebted to the staffs of the New Generation Health Center/UCSF,
the Planned Parenthood Golden Gate Affiliate clinics in San Francisco and
Daly City, and the City College of San Francisco Student Health Center for
allowing us to conduct the studies at their sites.