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Title: Sexual Behaviors Across 9 National Cohorts of Young Males and Females Ages 15-19
Resulting in 1 citation.
1. Dariotis, Jacinda K.
Joyner, Kara
Curtin, Sally C.
Sonenstein, Freya L.
Moore, Kristin Anderson
Peters, H. Elizabeth
Sexual Behaviors Across 9 National Cohorts of Young Males and Females Ages 15-19
Presented: Washington, DC, Population Association of America Annual Meetings, March 31-April 2, 2011.
Also: http://paa2011.princeton.edu/download.aspx?submissionId=112016
Cohort(s): NLSY79, NLSY79 Young Adult, NLSY97
Publisher: Population Association of America
Keyword(s): Adolescent Sexual Activity; National Longitudinal Study of Adolescent Health (AddHealth); National Survey of Adolescent Males (NSAM); National Survey of Family Growth (NSFG); Pregnancy, Adolescent; Sexual Behavior; Sexually Transmitted Diseases (STDs)

Permission to reprint the abstract has not been received from the publisher.

Overview
Although adolescent pregnancy and STI/HIV transmission are preventable, (1) youth aged 15 to 24 contribute 18.9 million new STD cases in the US annually, (2) youth under age 20 account for 750,000 pregnancies a year, and (3) youth aged 15 to 24 were responsible for 20,000 new HIV cases, half of the 40,000 total, in 2006. What places these youth at risk are their sexual behaviors, with timing of first sex denoting the length of risk exposure.

Using nine nationally representative cohorts (NSLY79, NSAM88, NSFG88, NSAM95, NSFG95, ADD-Health, NLSY97, NSFG2002, and NLSY79YA), we examine cohort and sex differences in being sexually experienced and corroborate associations and trends across different data sets. Our samples are limited to male and female never-married youth ages 15 to 19 at the time they were reporting on their sexual behavior. We identify trends over time in being sexually experienced for 15 to 19 year old males and females. We find a monotonic decrease in the percent of 15-19 year old males being sexually experienced over cohorts. For females aged 15-19, we find an increase and then decrease from earlier to later cohorts. These results have significant implications for public health sexual outcomes among youth and for studies that examine sexually experienced youth, especially timing of first sex.

Bibliography Citation
Dariotis, Jacinda K., Kara Joyner, Sally C. Curtin, Freya L. Sonenstein, Kristin Anderson Moore and H. Elizabeth Peters. "Sexual Behaviors Across 9 National Cohorts of Young Males and Females Ages 15-19." Presented: Washington, DC, Population Association of America Annual Meetings, March 31-April 2, 2011.