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Timing of first birth

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Journal Article
Demography (1985) 22 (2): 185–198.
Published: 01 May 1985
.... , & Bane M. ( 1980 ). The Nation’s Families (pp. 1960 – 1990 ). Boston : Auburn House . Marini M. , & Hodsdon P. ( 1981 ). Effects of the timing of marriage and the first birth on the spacing of subsequent births . Demography , 18 , 529 – 548 . 10.2307/2060946...
Journal Article
Demography (1986) 23 (1): nil1.
Published: 01 February 1986
... with Jay Teachman of the article "The Declining Significance of First-Birth Timing." Our apologies to Mr. Heckert for this oversight. 2) In the November 1985 issue an error in Goran Brostrom's article, "Practical Aspects of the Estimation of the Parameters in Coale's Model of Marital Fertility" may have...
Journal Article
Demography (1981) 18 (4): 529–548.
Published: 01 November 1981
...Margaret Mooney Marini; Peter J. Hodsdon Abstract Analyzing data from a fifteen-year follow-up survey of high school students originally surveyed in 1957–58 and resurveyed in 1973–74, this paper examines the effects of the timing of marriage and first birth on subsequent child spacing, holding...
Journal Article
Demography (1997) 34 (4): 493–511.
Published: 01 November 1997
... Psychology , 24 , 722 – 28 . 10.1037/0012-1649.24.5.722 Upchurch , D.M. , & McCarthy , J. ( 1990 ). The Timing of a First Birth and High School Completion . American Sociological Review , 55 , 224 – 34 . 10.2307/2095628 Udry , J.R. , & Billy , J.O. ( 1987...
Journal Article
Demography (2007) 44 (1): 59–77.
Published: 01 February 2007
....), Limits of Adjustment in Africa: The Effects of Economic Liberalization, 1986–94 (pp. 215 – 307 ). Oxford : James Currey . Rindfuss , R.R. , Morgan , S.P. , & Swicegood , C.G. ( 1988 ). First Births in America: Changes in the Timing of Parenthood . Berkeley : University...
Journal Article
Demography (2007) 44 (2): 345–372.
Published: 01 May 2007
... for the Timing of First Births in Norway . Population Studies , 48 , 249 – 67 . 10.1080/0032472031000147786 Kravdal , Ø. ( 1996 ). How the Local Supply of Day-care Centers Influences Fertility in Norway: A Parity-Specific Approach . Population Research and Policy Review , 15 , 201 – 18...
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Published: 05 July 2018
Fig. 4 Reproductive timing by polygenic score (PGS) for earlier age at first birth: Unrelated non-Hispanic white females ( n = 2,681). High PGS ≥ 1 standard deviation above mean ( n = 432); low PGS ≤ 1 standard deviation below mean ( n = 418). Mantel-Haenszel log-rank test indicates More
Journal Article
Demography (1991) 28 (4): 513–533.
Published: 01 November 1991
...Renbao Chen; S. Philip Morgan Abstract We use vital registration data published since 1979 to update trends in the timing of first births. Two important trends are documented. First, the likelihood that childless women over age 30 will have a first birth has increased since the 1970s. This change...
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Published: 07 July 2011
Fig. 3 College attendance effect on discrete-time probability of first birth, by age and propensity score strata More
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Published: 07 July 2011
Fig. 4 College completion effect on discrete-time probability of first birth, by age and propensity score strata More
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Published: 14 January 2019
Fig. 1 Monthly employment status distribution, by time since first birth (Extended Sample). More
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Published: 09 January 2017
Fig. 1 Trends in mean age at first birth and mean age when leaving full-time education in the TwinsUK sample and national representative data of the United Kingdom. AFB = age at first birth. The UK = estimates from large, nationally representative data from the Office for National Statistics More
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Published: 05 July 2018
Fig. 1 Reproductive timing: Unrelated non-Hispanic white females ( n = 2,681). Mean time to event: menarche = 12.2; first sex = 17.2; and first birth = 26.2 More
Journal Article
Demography (2000) 37 (4): 523–533.
Published: 01 November 2000
...Steven P. Martin Abstract In this paper I examine the evolving association between educational attainment and the timing of births. In the late 1970s, women with four-year college degrees had lower first birth rates before age 30 than women with less education, but rates of first births were...
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Published: 01 December 2021
Fig. 4 Variation in hazard rates of first birth by age and immigrant background. Hazard rates are derived from event-history models, where the process time is age, ending at first birth. Cases are censored if no first birth has occurred by age 40. Source: Authors' analysis based on Swedish More
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Published: 01 August 2021
Fig. 3 Proportion of women employed and proportion of women employed full-time, by race and whether the first birth was planned More
Journal Article
Demography (1972) 9 (3): 399–414.
Published: 01 August 1972
...Elizabeth Murphy Whelan Abstract An investigation into the timing of first births in relationship to the date of marriage in Massachusetts confirmed the finding of previous national and local birth timing studies that first births likely to have been conceived before the marriage of their parents...
Journal Article
Demography (1982) 19 (1): 1–27.
Published: 01 February 1982
...Amy Ong Tsui Abstract The family formation process is viewed as the progression of women through first marriage, first, subsequent, and last births and is examined for differential patterns of timing in 1930–1969 marriage cohorts. Based on the childbearing histories of approximately 17,000 white...
Journal Article
Demography (1968) 5 (1): 34–44.
Published: 01 March 1968
... by ll. and v To is the interval between the date of con- summation of the marriage and the first birth. G.(x), is the distribution function of T. (over women) =Prob(Ti ~ x). Bi(t)dt is the number of births of parity i that occur in the community during the time interval (t, t + dt) prior to the survey...
Journal Article
Demography (1984) 21 (1): 19–33.
Published: 01 February 1984
... on data from one survey can be replicated with comparable data from another. One notable exception is the relationship between contraceptive use prior to the first birth and the timing of that birth. The contraceptive variable appears to be poorly measured, leading to unstable estimates...