搜索结果: 1-6 共查到“sexual activity”相关记录6条 . 查询时间(0.21 秒)
Differences in Teenage Pregnancy Rates Among Five Developed Countries：The Roles of Sexual Activity and Contraceptive Use
Teenage Pregnancy Rates Contraceptive Use Sexual Activity
2009/9/16
Context: Adolescent pregnancy, birth, abortion and sexually transmitted disease (STD) rates are much higher in the United States than in most other developed countries.
Methods: Government statist...
Heterosexual Genital Sexual Activity Among Adolescent Males：1988 and 1995
Heterosexual Adolescent Males Sexual Activity
2009/9/15
Context: Researchers have paid little attention to adolescents' experience with genital sexual activity other than vaginal intercourse, even though oral and anal intercourse expose youth to the risk o...
Trends in Sexual Activity Among Adolescent American Women：1982-1995
Sexual Activity 1982-1995 Adolescent American Women
2009/9/15
Context: The formulation of policies and development of programs regarding adolescent sexual and reproductive health requires up-to-date information on levels of and trends in teenage sexual activity....
Understanding Changes in Sexual Activity Among Young Metropolitan Men：1979-1995
Sexual Activity 1979-1995 Metropolitan Men sexually transmitted diseases
2009/9/14
Context: Changes in the sexual behavior of teenagers can have a significant impact on levels of adolescent pregnancy and transmission of sexually transmitted diseases (STDs). Understanding the role pl...
The Relationship of Substance Use to Sexual Activity Among Young Adults in the United States
Sexual Activity United States Young Adults
2009/9/11
Data on substance use and sexual activity from a nationally representative, probability-based sample of young adults aged 18-30 in 1990 indicate that 86% of respondents had had sex in the previous 12 ...
Social Norms and Sexual Activity in U.S. High Schools
Social Norms Sexual Activity U.S. High Schools
2016/3/4
This paper estimates a formal model of social norms with multiple equilibria using data from the Add-Health Survey of 20,000 U.S. high school students. The results suggest that there is considerable d...