منابع مشابه
The age of fathers in the USA is rising: an analysis of 168 867 480 births from 1972 to 2015.
STUDY QUESTION How has the mean paternal age in the USA changed over the past 4 decades? SUMMARY ANSWER The age at which men are fathering children in the USA has been increasing over time, although it varies by race, geographic region and paternal education level. WHAT IS KNOWN ALREADY While the rise in mean maternal age and its implications for fertility, birth outcomes and public health ...
متن کاملThe Age Gauge: Older Fathers Having Children
Editor's Note: In recent years, scientists have debated the existence of a link between a father's age and his child's vulnerability to psychiatric problems. Our authors led a research team that produced a paper that analyzed data on all individuals born in Sweden from 1973 through 2001. Both the authors' study and another study raise as many questions as they answer, but they suggest that chil...
متن کاملMaternal age and malformations in singleton births.
OBJECTIVE To examine the effect of maternal age on incidence of nonchromosomal fetal malformations. METHODS Malformations detected at birth or in the newborn nursery were catalogued prospectively for 102,728 pregnancies, including abortions, stillbirths, and live births, from January 1, 1988 to December 31, 1994. Maternal age was divided into seven epochs. Relative risks (RRs) were used to co...
متن کاملThree Decades of Nonmarital First Births Among Fathers Aged 15-44 in the United States.
KEY FINDINGS The percentage of fathers aged 15-44 whose first births were nonmarital was lower in the 2000s (36%) than in the previous 2 decades. Fathers with first births in the 2000s were more likely to be in a nonmarital cohabiting union (24%) than those in the 1980s (19%). The percentage of fathers with a nonmarital first birth over the past 3 decades has remained similar for Hispanic and n...
متن کاملHigh-Risk Subsequent Births Among Co-Residential Couples: The Role of Fathers, Mothers, and Couples.
This study examines predictors of a cumulative measure of high-risk births, rather than single risks separately, as in prior research. Using the Early Childhood Longitudinal Study-Birth Cohort survey, we incorporate data from fathers and mothers to assess characteristics associated with births subsequent to a focal child's birth within high-risk circumstances. Components of a high-risk birth in...
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ژورنال
عنوان ژورنال: Demography and social economy
سال: 2016
ISSN: 2072-9480
DOI: 10.15407/dse2016.03.023