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Early Adopter

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Journal Article
Demography (1981) 18 (4): 597–614.
Published: 01 November 1981
... that intergenerational wealth transfers favor children rather than their parents, and more wealthy couples, were all significantly more likely to be early adopters of contraception. Local development levels appeared to have the greatest net effects on the timing of adoption of fertility control. In addition, couples...
Journal Article
Demography (2020) 57 (4): 1543–1569.
Published: 01 July 2020
... fertility, providing strong support for the argument that belonging to a certain social group was an important determinant of early adoption of new reproductive behavior in marriage in England and Wales. However, a relatively constant effect of lower net fertility among long-distance migrants both before...
FIGURES | View All (7)
Journal Article
Demography (1967) 4 (2): 601–614.
Published: 01 June 1967
... Population Association of America 1967 1967 Family Planning Clinic Staff Early Adopter Adoption Process Communication Element References 1 Berelson , Bernard ( 1964 ). On Family Planning Communication . Demography , 2 ( I ), 104 – 104 . 2 Bogue, ibid . Donald J. Bogue...
Journal Article
Demography (2019) 56 (1): 261–284.
Published: 05 December 2018
... settings. Duration in care (time since entry) was not associated with risk, nor was the foster care episode or placement number. After foster care, girls who exited to adoption or other permanency (e.g., legal guardianship) were significantly less likely to enter early motherhood than were reunified...
Journal Article
Demography (2012) 49 (3): 989–1009.
Published: 21 June 2012
... of prenatal care on early miscarriage are obscured by this factor. Differences in adoption of early-awareness technology, such as home pregnancy tests, should be taken into account when analyzing results from self-reports or clinical trials relying on awareness of pregnancy in its early weeks. 1 5 2012...
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Journal Article
Demography (2005) 42 (1): 1–22.
Published: 01 February 2005
... the cumulative number of our sample cities that adopted clean water and sanitation technologies from 1900 to 1936. Although probably not complete historical accidents, there was a large random com- ponent to the timing of the adoption of clean water technology in American cities. In general, early sanitarians...
Journal Article
Demography (1990) 27 (3): 323–335.
Published: 01 August 1990
... early in the sexual careers of teenaged women. We find that patterns of method choice not only vary by race and region within the United States but also change over the teenager’s life course. In addition, among teenagers who did not use a method at first sex, the likelihood of adopting a method soon...
Journal Article
Demography (1982) 19 (1): 125–133.
Published: 01 February 1982
... distribution of the constant annual stream of births and of the total population. It is also shown that immigrants and their early descendants may have fertility well above replacement (as long as later generations adopt and maintain fertility below replacement), and the outcome will still be a long-run...
Journal Article
Demography (1965) 2 (1): 1–7.
Published: 01 March 1965
... fall in this category. Among all those trying family planning in the study period, couples with illiterate husbands are represented approximately in the same proportion as they occur in the general population. Even among the early adopters-those trying family plan- ning within six months of its...
Journal Article
Demography (2015) 52 (4): 1195–1217.
Published: 08 July 2015
.... Population-weighted averages for abortion and birth rates for various mandate definition subsamples are given in Table  3 . Table 3 Abortion and birth rates (per 1,000 women aged 15–44) by state mandate status, 1993–2011 (CDC data) Full Sample No Mandate Mandate (any) Early Adopters...
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Journal Article
Demography (1967) 4 (1): 81–89.
Published: 01 March 1967
... reason to believe, how- ever, that the early adopters would sig- nificantly differ from the early adopters in our laboratory villages and in other programs, such as adopters in our urban studies. Without exception, to date we find that the early adopters have a large family size; in our urban study...
Journal Article
Demography (1992) 29 (3): 333–341.
Published: 01 August 1992
... conditions that accounted for~ tradition of late marriage in western Europe also were favorable for the early adoption of deliberate limitation of childbearing. Similarly, the traditional factors that account for the long history of very early marriage in Asia and Africa are not conducive to the early...
Journal Article
Demography (1997) 34 (3): 369–383.
Published: 01 August 1997
... and Birdsall 1991). Faced with this market failure, women engage in social learning to overcome the lack of publicly available and reliable information. Women make contraceptive decisions based on information from early adopters in their social networks. The ability to learn from one's friends and neighbors...
Journal Article
Demography (2020) 57 (1): 323–346.
Published: 06 February 2020
... sometimes lack adequate statistical power, and the method of inference often alters the level of statistical significance of estimates. Among the early adopters of PI laws, the laws have clear, substantial, and marginally statistically significant effects on the abortion rates of minors in Mississippi...
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Includes: Supplementary data
Journal Article
Demography (1990) 27 (3): 357–367.
Published: 01 August 1990
... and bureaucratic regulations tailored to specific urban levels. What began as a "classic" story of the early and spontaneous adoption of conscious control among educated elites became an extraordinary story of social engineering. Data and Methods This study uses data from the 1982 One-per-Thousand (II 1000...
Journal Article
Demography (2021) 58 (6): 2291–2314.
Published: 01 December 2021
... of medical complications and hospitalizations ( Drovetta 2015 ). This offers a competing explanation for the reduction in rates of hospitalization observed in our aggregate figures; however, to bias our estimates, the usage of such procedures would need to be more intense in early adopting municipalities...
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Includes: Supplementary data
Journal Article
Demography (2023) 60 (6): 1791–1813.
Published: 01 December 2023
... reflect stronger effects due to growing cumulative exposure to WR among older children who were exposed at younger ages as time since implementation increases. Finally, the dynamics could reflect heterogeneity across early versus later state adoption of WR: in the stacked DD models, the short-term effects...
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Includes: Supplementary data
Journal Article
Demography (2019) 56 (1): 169–199.
Published: 17 January 2019
... and Nardinelli 1996 ). Because most social interactions with information exchange were still local during our study period, we believe that spatial distance was an important moderator in the fertility decline. Early adopters in a given location likely faced uncertainties about how their local social network...
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Includes: Supplementary data
Journal Article
Demography (1971) 8 (4): 507–517.
Published: 01 November 1971
...," early adoption of contraception interval. (3) Chances are minimized -say the acceptance of an IUD-comes that the woman will conceive again be- at a definite cost. Before a woman can fore she can accept contraception. Re- become pregnant once again, she first garding the last point, Ross (1968...
Journal Article
Demography (2011) 48 (2): 653–674.
Published: 14 April 2011
... women play a greater role in early adoption, these national characteristics will do less to widen disparities in tobacco use among women than men. In summary, the cost and diffusion arguments specify different mechanisms but offer similar predictions. They both posit that education has varied...
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