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Cohort measures

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Journal Article
Demography (2017) 54 (6): 2201–2221.
Published: 06 November 2017
.... This article proposes 10 cohort measures that can be applied to both prospective and retrospective data to systematically examine long-term trends. To demonstrate their benefits, the proposed measures are applied to retrospective survey data for England that provide residential histories from birth to age 50...
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Includes: Supplementary data
Journal Article
Demography (1982) 19 (3): 409–427.
Published: 01 August 1982
... measures. The results of the analysis indicate that while the overall contribution of medical measures is small when examined by calendar year, specific birth cohorts both in Italy and in England and Wales benefited substantially from these measures. The environmental conditions in New Zealand, however...
Journal Article
Demography (2024) 61 (1): 15–30.
Published: 01 February 2024
...Christopher A. Julian; Wendy D. Manning; Krista K. Westrick-Payne Abstract The measurement of sexual and gender identity in the United States has been evolving to generate more precise demographic estimates of the population and a better understanding of health and well-being. Younger cohorts...
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Journal Article
Demography (2022) 59 (1): 187–206.
Published: 01 February 2022
... variation measure, which we call the cross-sectional average inequality in lifespan, or CAL † . This new index provides an alternative perspective on the analysis of lifespan inequality by combining the mortality histories of all cohorts present in a cross-sectional approach. We demonstrate how differences...
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Includes: Supplementary data
Journal Article
Demography (1972) 9 (4): 617–624.
Published: 01 November 1972
... can repeat a grade must be taken into account in the measures. But repeating a grade has a meaning only in a cohort ap- proach. As a consequence, even if school statistics are more of the stock type than the flow type, it is always prefer- able to elaborate indices of measurement within cohorts...
Journal Article
Demography (2004) 41 (4): 801–819.
Published: 01 November 2004
... changes in period fertility that do not reflect level changes in the completed fertility of cohorts. That definition leads to the average cohort fertility (ACF) as a measure of period fertility adjusted for timing effects. In an influential paper, Bongaarts and Feeney (1998) presented an alternative...
Journal Article
Demography (2019) 56 (4): 1495–1518.
Published: 03 July 2019
... (Fig. 8 ). In summary, although historical cohorts had large racial inequality in the demographic experience of grandparenthood, racial gaps in three of our four measures have decreased substantially and are small for recent cohorts. Fig. 8 Median length of grandparenthood among those who...
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Journal Article
Demography (2023) 60 (2): 411–430.
Published: 01 April 2023
...), calculates the first union survival rates under assumptions from incomplete marriage histories. It then uses the relationships between life table functions to calculate the distribution of marriages ending each year for a given marriage cohort. ILTUD is a synthetic cohort measure. A long-standing concern...
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Includes: Supplementary data
Journal Article
Demography (2023) 60 (6): 1689–1698.
Published: 01 December 2023
...Alyson A. van Raalte; Ugofilippo Basellini; Carlo Giovanni Camarda; Marília R. Nepomuceno; Mikko Myrskylä Abstract Drawing cohort profiles and cohort forecasts from grids of age–period data is common practice in demography. In this research note, we (1) show how demographic measures artificially...
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Includes: Supplementary data
Journal Article
Demography (1991) 28 (2): 213–227.
Published: 01 May 1991
... Mortality Parental Survival Cohort Data Male Mortality Living Parent References Blacker , J.G.C. ( 1984 ). Experience in the Use of Special Mortality Questions in Multi-Purpose Surveys: The Single-Round Approach Data Bases for Mortality Measurement (pp. 79 – 89 ). New York : United...
Journal Article
Demography (2022) 59 (1): 371–388.
Published: 01 February 2022
... in most countries and has remained stable or even increased in a few countries. This is a birth cohort measure and is not a simple function of the unwanted fertility rates, but rather a function of the relative rates of wanted and unwanted childbearing. When rates of both wanted and unwanted childbearing...
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Includes: Supplementary data
Journal Article
Demography (2010) 47 (1): 97–124.
Published: 01 February 2010
... as measures of the tempo or timing of fertility. The focus is on effects of predictor variables on these measures rather than on coef¿ cients, which are often dif¿ cult to interpret in the complex models that are considered. The methodology is applicable to both period and cohort data. It is illustrated...
Journal Article
Demography (2021) 58 (1): 321–344.
Published: 01 February 2021
... the number of years that reproductive-age women live without children, we introduce the cross-sectional average length of life childless (CALC). This measure includes all the age-specific first-birth information available for the cohorts present at time t ; it is a period measure based on cohort data. Using...
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Includes: Supplementary data
Journal Article
Demography (2008) 45 (1): 193–207.
Published: 01 February 2008
... following a divorce or marital separation for white women approximately twice that for black or Hispanic women. Finally, I introduce a new measure, the cohort nonmarital fertility ratio (CNMFR), which provides a cohort complement to the standard period nonmarital fertility ratio. Conservative estimates...
Journal Article
Demography (2016) 53 (3): 835–863.
Published: 06 May 2016
... and promising of new insights. Unlike traditional panel data in which individuals are followed and repeatedly measured, we construct birth cohorts for members born in the same year and follow them across time. The 15-year period before the first available DHS survey in a given country defines the birth...
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Journal Article
Demography (2001) 38 (1): 17–28.
Published: 01 February 2001
... TFR(t) neither represents any real cohort experiences from the past nor forecasts any future trend. It merely provides an improved reading of the period fertility measure, which reduces the tempo distortion. 14 1 2011 © Population Association of America 2001 2001 Birth Order Annual...
Journal Article
Demography (2011) 48 (3): 841–861.
Published: 04 June 2011
..., are known as synthetic cohort or hypothetical cohort measures. The TFR has no theoretical status, having been devised for purely practical ends. As an indicator of period fertility, it has several defects that are touched on only briefly in this article (but see Ní Bhrolcháin 1992 , 2008...
Journal Article
Demography (2018) 55 (1): 249–269.
Published: 01 February 2018
... population-level data sets. Exploiting variation across counties and over time, we find a negative relationship between the incidence of low-weight births and the level of economic mobility as measured in adulthood for the county birth cohorts in our sample. Our results build on a large and growing...
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Includes: Supplementary data
Journal Article
Demography (2019) 56 (2): 763–784.
Published: 05 March 2019
... capture differences in key analytical constructs, including education, age, cohort, and gender. In this study, I tested the cumulative (dis)advantage hypothesis using a self-reported subjective measure (self-rated health), a self-reported semi-objective measure (PCS based on SF-12), and an objective...
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Includes: Supplementary data
Journal Article
Demography (2022) 59 (3): 877–894.
Published: 01 June 2022
... those period/cohort relationships for linear, quadratic, and cubic fertility trajectories. Table 1 Period/cohort relationships with constant age-specific fertility proportions and polynomial time trajectories of fertility levels Measure Period( t ) Cohort( T ) A. Fertility...
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Includes: Supplementary data