1-20 of 1944 Search Results for

Population Weight

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Journal Article
Demography (1984) 21 (2): 207–215.
Published: 01 May 1984
... or education of mothers, prenatal care, parity or length of birth intervals. Though all these factors are important predictors of birth weight, an increasing propensity to have low-weight babies persists among black mothers even after all these factors are controlled. 9 1 2011 © Population...
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Published: 17 January 2018
Fig. 3 Homicide rate (per 10,000 population) and birth weight (g) by year and month in Mexico More
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Published: 10 September 2015
Fig. 3 Observed historical data on population-weighted (left) and unweighted (right) averages of absolute annual migration rates per thousand for five-year periods from 1950 to 2010 (indicated by circles). Median estimates (indicated by “x”) and 80 % and 95 % prediction intervals (indicated More
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Published: 10 March 2015
Fig. 1 Crime rate and migration rate, weighted by population More
Journal Article
Demography (2022) 59 (1): 89–110.
Published: 01 February 2022
... and logistic regression for our analyses of preterm birth and low birth weight using clinical cutoffs. We present the bivariate relationship between heteropatriarchy and birth outcomes (model 1), followed by a multivariate model that includes all of our controls (model 2). All models adjust for population...
FIGURES
Includes: Supplementary data
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Published: 10 September 2015
Fig. 2 Estimated percentage of the world population migrating compared with a population-weighted average of absolute net migration rates, w ( t ), for five-year periods from 1990 to 2010. Estimates of percentage of world population migrating are taken from Abel and Sander ( 2014 More
Journal Article
Demography (1984) 21 (3): 405–412.
Published: 01 August 1984
... Population Weight Weighted Density References Chapman G. P. ( 1971 ). Human and Environmental Systems: A Geographer’s Appraisal . London : Academic Press . Craig J. ( 1975 ). Population Density and Concentration in Great Britain 1931, 1951 and 1961. Studies on Medical...
Journal Article
Demography (1970) 7 (3): 317–324.
Published: 01 August 1970
... produce very different results. While directly standardized rates are widely used, they depend upon the selection of an appropriate standard population and give disproportionately heavy weight to the high ages. Average of relatives indexes give equal weight to all ages, but are infrequently used...
Journal Article
Demography (2015) 52 (6): 2021–2049.
Published: 02 November 2015
... conditions, fertility variables, and demographic characteristics, and are jointly modeled with mortality trajectories. Source: Utah Birth Certificate data linked to the Utah Population Database. HBW = High birth weight; LBW = Low birth weight We find that for females in the young-old cohort, having...
FIGURES
Includes: Supplementary data
Journal Article
Demography (2022) 59 (2): 417–431.
Published: 01 April 2022
... population trends in shaping the population at time t . The overall population growth rate can also be expressed as the weighted average of age-specific growth rates. In this article, we develop a method to decompose the historical drivers of current population growth by recursively employing the variable- r...
FIGURES
Includes: Supplementary data
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...
FIGURES
Includes: Supplementary data
Journal Article
Demography (1998) 35 (4): 509–517.
Published: 01 November 1998
... Population Association of America 1998 1998 Birth Weight Infant Mortality Birth Cohort Birth Outcome Baseline Weight References Balcazar , H. , Keefer , L. , & Chard , T. ( 1994 ). Use of Anthropomorphic Indicators and Maternal Risk Factors to Evaluate Intrauterine...
Journal Article
Demography (2013) 50 (3): 993–1012.
Published: 04 December 2012
... immigrants. Results indicate that the inverse SES-BMI gradients observed among this population are strongest among women originating in highly developed countries. After arrival in the United States, however, inverse gradient patterns are driven largely by higher weights among low-SES individuals...
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Journal Article
Demography (2017) 54 (6): 2159–2179.
Published: 16 October 2017
... describe the immigrant population in destination countries but offer limited information on the rate at which people leave their country of origin. The emigration rate depends on the number leaving in a given period and the population at risk of leaving, weighted by the duration at risk. Emigration surveys...
FIGURES
Journal Article
Demography (2022) 59 (1): 207–220.
Published: 01 February 2022
... populations. Length bias, also known as size bias or a self-weighted distribution , occurs when units are observed in proportion to their size (e.g., Correa and Wolfson 1999 ; Lann and Falk 2005 ; Patil 2005 ). Demographers are likely to be the most familiar with length-biased sampling...
FIGURES
Includes: Supplementary data
Journal Article
Demography (1986) 23 (2): 261–274.
Published: 01 May 1986
... due to die of the cause. Special cases include both well-established measures and extensions that incorporate the age distribution of the population. A further generalization is introduced with the consideration of life expectancies that only give weight to years of life up to age 70. A number...
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Published: 16 December 2019
Fig. 1 Labor force participation rates and population share by age group, over time. In panel a, a state panel is first constructed from CPS monthly basic files by aggregating labor force participation for each state, year, and age group. The figure in the panel is created from weighted averages More
Journal Article
Demography (1976) 13 (3): 381–395.
Published: 01 August 1976
... or sets of characteristics and the weights to be used in classifying a pair of records as matched or nonmatched. Specific examples, based on early matching experiments with data from the dual record system of the Mindanao Center for Population Studies (MCPS), are presented. Successive application...
Journal Article
Demography (1994) 31 (2): 217–227.
Published: 01 May 1994
... and rural women have less than four, failure to take account of the sampling weights will result in the CPS sample appearing to be better educated than the underlying population. 7 Critical values of the Kolmogorov-Smirnov statistic are also computed taking account of the sample weights; the actual sample...
Journal Article
Demography (1986) 23 (3): 313–327.
Published: 01 August 1986
.... Second, we examine the sensitivity of return migration to economic conditions at both destination and origin. The model proposed allows the relative weights attached to information on the two locations to vary as the interval of absence lengthens. Econometric evidence indicates that conditions...