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Journal Article
Demography (1979) 16 (1): 103–119.
Published: 01 February 1979
... on fertility can be quite substantial, but that the birth rate when seasonal variation is occurring is approximated well by the birth rate calculated when conception rates are constant at their mean. These results indicate that further documentation of seasonality in conception rates and exploration...
View articletitled, Seasonal migration and seasonal variation in fecundability: Effects on <span class="search-highlight">birth</span> <span class="search-highlight">rates</span> and <span class="search-highlight">birth</span> intervals
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for article titled, Seasonal migration and seasonal variation in fecundability: Effects on <span class="search-highlight">birth</span> <span class="search-highlight">rates</span> and <span class="search-highlight">birth</span> intervals
Journal Article
Demography (1978) 15 (1): 113–129.
Published: 01 February 1978
... protection into within-program and outside-program sources. 27 1 2011 © Population Association of America 1978 1978 Family Planning Fertility Decline Fertility Level Family Planning Program Crude Birth Rate References Bogue , Donald ( 1969 ). Principles of Demography...
View articletitled, A components method for measuring the impact of a family planning program on <span class="search-highlight">birth</span> <span class="search-highlight">rates</span>
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for article titled, A components method for measuring the impact of a family planning program on <span class="search-highlight">birth</span> <span class="search-highlight">rates</span>
Journal Article
Demography (1989) 26 (1): 137–148.
Published: 01 February 1989
... American fertility pattern at this time. 7 1 2011 © Population Association of America 1989 1989 Total Fertility Rate Marital Fertility Natural Fertility Differential Fertility Spacing Behavior References Anderton , D. L. , & Bean , L. L. ( 1985 ). Birth...
View articletitled, American fertility in transition: New estimates of <span class="search-highlight">birth</span> <span class="search-highlight">rates</span> in the United States, 1900–1910
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for article titled, American fertility in transition: New estimates of <span class="search-highlight">birth</span> <span class="search-highlight">rates</span> in the United States, 1900–1910
Journal Article
Demography (2005) 42 (2): 259–273.
Published: 01 May 2005
...Rachel Sullivan Abstract Between 1990 and 2002, the age pattern of Type I first-birth rates (i.e., the hazard of a first birth) among U.S. women was bimodal. This pattern, driven by changing differential fertility patterns among racial and ethnic groups, reached its apex at the mid-1990s and had...
View articletitled, The age pattern of first-<span class="search-highlight">birth</span> <span class="search-highlight">rates</span> among U.S. women: The bimodal 1990s
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for article titled, The age pattern of first-<span class="search-highlight">birth</span> <span class="search-highlight">rates</span> among U.S. women: The bimodal 1990s
Journal Article
Demography (1973) 10 (3): 479–481.
Published: 01 August 1973
...Barbara S. Janowitz Abstract Ekanem has shown that variations in socioeconomic development are associated with differences in birth rates. However, he has made no attempt to determine if his regression equations can be used to predict trends in fertility. This note shows that, using Ekanem’s data...
View articletitled, Cross-Section Studies As Predictors of Trends in <span class="search-highlight">Birth</span> <span class="search-highlight">Rates</span>: A Note on Ekanem’s Results
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for article titled, Cross-Section Studies As Predictors of Trends in <span class="search-highlight">Birth</span> <span class="search-highlight">Rates</span>: A Note on Ekanem’s Results
Journal Article
Demography (2018) 55 (4): 1269–1293.
Published: 02 July 2018
...Alan Barreca; Olivier Deschenes; Melanie Guldi Abstract We estimate the effects of temperature shocks on birth rates in the United States between 1931 and 2010. We find that days with a mean temperature above 80°F cause a large decline in birth rates 8 to 10 months later. Unlike prior studies, we...
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View articletitled, Maybe Next Month? Temperature Shocks and Dynamic Adjustments in <span class="search-highlight">Birth</span> <span class="search-highlight">Rates</span>
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for article titled, Maybe Next Month? Temperature Shocks and Dynamic Adjustments in <span class="search-highlight">Birth</span> <span class="search-highlight">Rates</span>
Includes: Supplementary data
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in The Impact of Forced Migration on Mortality: Evidence From German Pension Insurance Records
> Demography
Published: 29 November 2018
Fig. 2 Regional birth and death rates by calendar year. Annual birth rates are calculated as the number of births relative to the number of residents within a region for each year. Annual death rates are calculated as the number of deaths relative to the number of residents within a region
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Published: 01 June 2022
Fig. 1 Period and cohort age-specific birth rates with parabolic period rates and linear fertility change over time
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Published: 08 July 2015
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in Impact of Free/Subsidized Secondary School Education on the Likelihood of Teenage Motherhood
> Demography
Published: 01 August 2021
Fig. 2 Teenage birth rates by year of birth. Data are from the 2014 Kenya Demographic and Health Survey.
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in The Demographic and Socioeconomic Consequences of Restricting Access to Marriage for Young Immigrant Women in Denmark
> Demography
Published: 01 February 2025
Fig. 3 Marriage and first-birth rates for 18- to 32-year-olds and educational length and enrollment at age 25 by migration background. The solid vertical lines designate the implementation of the 24-year rule, and the dashed lines designate the implementation of the attachment rule . Source
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in Impact of Free/Subsidized Secondary School Education on the Likelihood of Teenage Motherhood
> Demography
Published: 01 August 2021
Fig. 3 Trend in teenage birth rates by urban/rural residence, religion, and province. Data are from the 2014 Kenya Demographic and Health Survey.
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in Impact of Free/Subsidized Secondary School Education on the Likelihood of Teenage Motherhood
> Demography
Published: 01 August 2021
Fig. 4 Teenage birth rates by household wealth index. Data are from the 2014 Kenya Demographic and Health Survey.
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in Randomness in the Bedroom: There Is No Evidence for Fertility Control in Pre-Industrial England
> Demography
Published: 17 June 2019
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in How High is Hispanic/Mexican Fertility in the United States? Immigration and Tempo Considerations
> Demography
Published: 22 June 2011
Fig. 6 Vital statistics estimates of total and first-birth rates according to percentage of foreign-born Hipanics who are recently arrived, by state in 2000. Data are from Sutton and Mathews ( 2006 )
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in Socioeconomic Factors Have Been the Major Driving Force of China’s Fertility Changes Since the Mid-1990s
> Demography
Published: 05 April 2018
Fig. 1 Age schedule of first-birth rates in China, 1990–2015. Source: China’s recent censuses and national population sample surveys
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Published: 07 June 2018
Fig. 1 Predicted first-birth rates. Homogamous, highly educated couple is the reference category and is always shown in black. Remaining lines are shown in black if the difference between birth rate of the represented pairing and highly educated homogamous couples is significant at p < .10
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Published: 07 June 2018
Fig. 2 Predicted second-birth rates. Homogamous, highly educated couple is the reference category and is always shown in black. Remaining lines are shown in black if the difference between birth rate of the represented pairing and highly educated homogamous couples is significant at p < .10
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Published: 07 June 2018
Fig. 3 Predicted third-birth rates. Homogamous, highly educated couple is the reference category and is always shown in black. Remaining lines are shown in black if the difference between birth rate of the represented pairing and highly educated homogamous couples is significant at p < .10
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Journal Article
Demography (1975) 12 (3): 471–489.
Published: 01 August 1975
...Dorothy Nortman; John Bongaarts Abstract TABRAP ( TA rget B irth R ate A cceptor P rogram) is a computer programmed model that provides a direct solution to the problem of determining the total annual numbers of contraceptive acceptors required to achieve a prescribed crude birth rate target path...
View articletitled, Contraceptive practice required to meet a prescribed crude <span class="search-highlight">birth</span> <span class="search-highlight">rate</span> target: a proposed macro-model (tabrap) and hypothetical illustrations
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for article titled, Contraceptive practice required to meet a prescribed crude <span class="search-highlight">birth</span> <span class="search-highlight">rate</span> target: a proposed macro-model (tabrap) and hypothetical illustrations
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