搜索结果: 1-15 共查到“人口学 sex”相关记录53条 . 查询时间(0.17 秒)
Sex Mortality Differentials in the United States:The Role of Cohort Smoking Patterns
Sex differentials Mortality Cigarette smoking
2016/3/18
This paper demonstrates that, over the period 1948-2003, sex differentials in mortality in the age range 50-54 to 85+ widened and then narrowed on a cohort rather than on a period basis. The cohort wi...
Inaccurate age and sex data in the Census PUMS files:Evidence and Implications
Census PUMS files Age Sex Data
2016/3/18
We discover and document errors in public use microdata samples ("PUMS files") of the 2000 Census, the 2003-2006 American Community Survey, and the 2004-2009 Current Population Survey. For women and m...
Urban Youth in Nepal are Less Likely to Intend for Abstinence from Sex before Marriage
Abstinence from Sex before Marriage Urban Youth
2016/1/28
This paper attempts to examine the determining factors on intention for abstinence
from sex before marriage among youth (15‐24 years) in Nepal among those who have
had no sexual experience. The bina...
Recent trends in the timing of first sex and marriage among young women in Ethiopia
Ethiopia reproductive behavior intercourse
2015/7/27
Ethiopia has been characterized by high population growth. Recent social and economic developments have the potential to alter reproductive patterns in the country. Some of these developments in...
Exploring the population implications of male preference when the sex probabilities at birth can be altered
population sex
2014/11/27
The ‘laboratory’ is a closed, stable population with five age groups and a dynamic
process represented by a compact Leslie matrix. The new element is sex-selective
abortion. We consider nine stopp...
Exploring the population implications of male preference when the sex probabilities at birth can be altered
male preference population effects selective abortion sex ratio stopping rules
2014/11/27
Objective: The paper explores the population effects of male preference stopping rules and of alternative combinations of fertility rates and male-biased birth sex ratios.Methods: The ‘laboratory’ is ...
The sexual double standard and gender differences in attitudes toward casual sex among U.S. university students
attitudes gender sexuality universities
2014/11/26
Background: A significant portion of premarital sexual activity is casual rather than in relationships, and commentators disagree on whether this is what women prefer.Objective: We examine gender diff...
Sex composition of children, parental separation, and parity progression: Is Finland a Nordic outlier?
Finland longitudinal population register data parental boy/girl preference parity progression separation
2014/11/26
Background: Previous studies that have studied parental gender preferences for children have analysed either divorce or parity progression. We use Finnish register data that make it possible to study ...
Sex ratios at sexual maturity and longevity: Evidence from Swedish register data
longevity mortality sex ratios
2014/11/25
Background: This study tests the recently proposed hypothesis that the contextual sex ratio at sexual maturity is related to longevity. Previous empirical research in the United States has shown that ...
Sex ratios at sexual maturity and longevity: Evidence from Swedish register data
longevity mortality sex ratios
2014/11/25
Background: This study tests the recently proposed hypothesis that the contextual sex ratio at sexual maturity is related to longevity. Previous empirical research in the United States has shown that ...
Could changes in reported sex ratios at birth during China's 1958-1961 famine support the adaptive sex ratio adjustment hypothesis?
China famine sex ratio at birth
2014/11/25
Background: The adaptive sex ratio adjustment hypothesis suggests that when mothers are in poor conditions the sex ratio of their offspring will be biased towards females. Major famines provide opport...
When the group encourages extramarital sex: Difficulties in HIV/AIDS prevention in rural Malawi
AIDS/HIV extramarital fixed-effects Malawi marriage panel data sexual intercourse social networks Sub-Saharan Africa
2014/11/24
Background: Recent research on the HIV epidemic in sub-Saharan Africa has highlighted the relevance of married individuals‘ extramarital sexual behavior for the spread of the disease. At the same time...
Choosing between two good things can be tough. When animals must decide between feeding and mating, it can get even trickier. In a discovery that might ring true even for some humans, researchers have...
Causal Effects of Single-Sex Schools on College Entrance Exams and College Attendance: Random Assignment in Seoul High Schools
Regression analysis Same-gender teachers Single-sex public education Single-sex schools Teachers Two-year colleges United States
2014/3/31
Despite the voluminous literature on the potentials of single-sex schools, there is no consensus on the effects of single-sex schools because of student selection of school types. We exploit a unique ...
From Shame to Game in One Hundred Years: A Macroeconomic Model of the Rise in Premarital Sex and its De-Stigmatization
Peer-group effects Premarital sex Shame Socialization Stigmatization Technological progress
2014/3/31
Societies socialize children about sex. This is done in the presence of peer-group effects, which may encourage undesirable behavior. Parents want the best for their children. Still, they weigh the ma...