搜索结果: 1-13 共查到“人口统计学 1995”相关记录13条 . 查询时间(0.222 秒)
Explaining Demographic Trends in Teenage Fertility, 1980 -1995
Demographic Trends 1980 -1995 Teenage Fertility
2009/9/15
Context: The teenage birthrate rose sharply in the late 1980s and early 1990s, and then declined in the 1990s. Attempts to explain these changes have failed to account for the changing environment in ...
Use of Infertility Services in the United States:1995
Infertility Services 1995 United States
2009/9/15
Context:Both the demand for and the availability of infertility services in the United States increased during the 1980s and early 1990s. Understanding the factors that are related to service-seeking ...
Context: In every country, contraceptive behavior has important implications for fertility and the prevalence of sexually transmitted diseases (STDs). There has been relatively little attention to con...
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....
Contraceptive Failure, Method-Related Discontinuation And Resumption of Use:Results from the 1995 National Survey of Family Growth
Contraceptive Failure pregnancies United States unintended
2009/9/15
Context: Half of all pregnancies in the United States are unintended. Of these, half occur to women who were practicing contraception in the month they conceived, and others occur when couples stop us...
Contraceptive Failure Rates:New Estimates From the 1995 National Survey of Family Growth
Contraceptive Failure Rates 1995 Family Growth
2009/9/15
Context: Unintended pregnancy remains a major public health concern in the United States. Information on pregnancy rates among contraceptive users is needed to guide medical professionals' recommendat...
Correlates of Sexually Transmitted Bacterial Infections Among U.S. Women in 1995
Sexually transmitted diseases U.S. Women 1995 pelvic inflammatory disease
2009/9/15
Context: Sexually transmitted diseases (STDs) of bacterial origin such as gonorrhea and chlamydial infection can lead to pelvic inflammatory disease (PID) and infertility. Identifying behaviors and ch...
Increased Condom Use Among Teenage Males, 1988-1995:The Role of Attitudes
Condom Use 1988-1995 Teenage Males
2009/9/14
Context: Understanding whether and to what degree changes in young men's attitudes explain increases in condom use over time can be useful in developing more effective disease prevention strategies.
...
Sexual Behavior Among U.S. High School Students, 1990–1995
Sexual Behavior 1990–1995 U.S. High School Students
2009/9/14
Context: High rates of unintended pregnancy and sexually transmitted diseases (STDs), including HIV infection, among adolescents are major public health concerns that have created interest in trends i...
Measuring the Extent of Abortion Underreporting In the 1995 National Survey of Family Growth
Abortion Underreporting 1995 National Survey of Family Growth
2009/9/14
Context: Induced abortions are often severely underreported in national surveys, hampering the estimation and analysis of unintended pregnancies. To improve the level of abortion reporting, the 1995 N...
Cause-specific contributions to sex differences in adult mortality among whites and African Americans between 1960 and 1995
cause of death mortality USA
2008/12/11
The purpose of this paper is to describe trends in sex differences in mortality in young adulthood and in middle age among African Americans and whites in the United States between 1960 and 1995. We e...
世界主要地区人口及增长情况 (1995-2000年)
增长 人口 世界主要地区 1995-2000年
2008/4/2
世界主要地区人口及增长情况 (1995-2000年)
-----------------------------------------------------------------------------主要地区 90年代中期 出生数 死亡数 移民数 总增长量 人口数(千人) (年平均 千人)--------------------...
1995年全国1%人口抽样调查公报
人口抽样 1995年
2008/4/2
遵照国务院的决定,我国于1995年进行了全国l%人口抽样调查。这次调查采取分层、多阶段、整群抽样的方法,在全国30个省、自治区、直辖市(未含台湾省和港澳地区,下同)共抽取了1558个县级行政单位、47471个调查小区,共调查登记了12565584人(含现役军人),占全国人口总数的1.04%。调查登记的标准时间为1995年10月1日0时。在国务院和地方各级人民政府的领导下,各族人民群众积极支持和密...