搜索结果: 1-4 共查到“人口学 sexual intercourse”相关记录4条 . 查询时间(0.015 秒)
Sexual Intercourse and the Age Difference Between AdolescentFemales and Their Romantic Partners
Sexual Intercourse Romantic Partners Adolescent Females
2009/9/17
CONTEXT: The age difference between a female and her partner may influence relationship dynamics in ways that put the female at increased risk of unintended pregnancies and sexually transmitted diseas...
Sexual Intercourse, Abuse and Pregnancy Among Adolescent Women：Does Sexual Orientation Make a Difference?
Sexual Intercourse Adolescent Women Pregnancy
2009/9/15
Context: Although a limited amount of research has retrospectively explored the childhood and adolescent heterosexual experiences of lesbians, little is known about the prevalence of heterosexual beha...
Gender and Ethnic Differences in the Timing of First Sexual Intercourse
First Sexual Intercourse Ethnic Gender
2009/9/14
Context: Whether the effect of gender on the risk of first intercourse is influenced by adolescents' ethnicity has received limited attention in research on age at first sex. Such information could pr...
Bayesian spatial analysis of demographic survey data An application to contraceptive use at first sexual intercourse
contraceptive use FFS hierarchical Bayesian modeling Italy Monte Carlo Markov Chain, multilevel statistical models spatial statistical demography
2008/12/4
In this paper we analyze the spatial patterns of the risk of unprotected sexual intercourse for Italian women during their initial experience with sexual intercourse. We rely on geo-referenced survey ...