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Journal Article
Demography (1966) 3 (2): 528–536.
Published: 01 June 1966
... then suffices for nearly any problem of graduation, interpolation, numerical differentiation and integration, as well as for the calculation of the remainder term or error of any of these. 14 2 2011 © Population Association of America 1966 1966 Resumen Interpolación y graduación son temas...
Journal Article
Demography (1999) 36 (3): 369–376.
Published: 01 August 1999
...Michael S. Rendall Abstract I analyze the prevalence of single motherhood among black and non-Hispanic white women in terms of differences in entry and exit. Higher initial entry rates among black women, especially through unpartnered childbearing, account for slightly more than half the difference...
Journal Article
Demography (1975) 12 (2): 193–208.
Published: 01 May 1975
... on demographic characteristics would indicate that all streams are selective of the younger and unmarried population, with women predominating in urbanwards movements and men in those to rural areas. However, when compared in terms of socioeconomic characteristics, migrants are more sharply differentiated among...
Journal Article
Demography (1976) 13 (2): 259–272.
Published: 01 May 1976
... is large at intermediate levels of mortality because here deaths cluster at both extremes of the human life span. ESTIMATION EQUATIONS FOR LiFE EXPECTANCY The remainder term may, as Figure 1 indicates, be predicted quite closely from et o. A satisfactory approximation is ob- tained by fitting R...
Journal Article
Demography (1964) 1 (1): 148–155.
Published: 01 March 1964
.... A county which qualifies as both first- and second-ring is assigned its lower order status. For example, a county which is a first ring of one metropolitan area and a second ring of another is classified as a first ring. In approximate terms, the average area covered by an SMSA and its first ring has its...
Journal Article
Demography (2022) 59 (4): 1221–1232.
Published: 01 August 2022
... and significantly older than it is today. Copyright © 2022 The Authors 2022 This is an open access article distributed under the terms of a Creative Commons license (CC BY-NC-ND 4.0). Demographic shift Coastal populations Differential vulnerability Climate change Nearly 40% of the U.S...
FIGURES | View All (6)
Includes: Supplementary data
Journal Article
Demography (1982) 19 (3): 279–290.
Published: 01 August 1982
... = 370,478). Following the definitions of U.S. immigration law, the term "im- migrant" is used synonymously with the term "permanent resident alien" and denotes a person admitted to this legal classification.? The 1971 cohort includes both persons newly entering the United States (of whom there were 297,153...
Journal Article
Demography (1966) 3 (1): 259–275.
Published: 01 March 1966
... . Subtracting the second from the first gives d(x) - d(u) = (xn - un) - Pl(Xn- 1 - un-I) (4) - - pn-l(X - u) Since any polynomial of the form an - bn is divisible without remainder by a - b, equation (4) is divisible exactly by x - u. Dividing and collecting terms gives g (x, u) = d (x) - d ( u) Xl x-u + (u...
Journal Article
Demography (1976) 13 (3): 381–395.
Published: 01 August 1976
... as definite match, definite nonmatch, or probable match or nonmatch. After recording their judgment about each re- cord in terms of record numbers, they shuffled the records and handed them to two other senior staff members who, each independently, matched the records and recorded their judgments, again...
Journal Article
Demography (1964) 1 (1): 119–125.
Published: 01 March 1964
... 1960 84.9 62.1 430.2 577.2 *Hospital admissions. The Demographic Significance of Legal Abortion in Eastern Europe 121 the numbers of legal abortions in five countries, while Table 2 presents the same information in terms of crude rates per 1,000 population. In addition to the numbers and rates of legal...
Journal Article
Demography (1989) 26 (2): 287–299.
Published: 01 May 1989
...; is Nj/Tj, where N j; is the number of observed completed spells from state i to state i and T, is the total observed length of all spells of individuals in state i." An estimate of the asymptotic variance of hij is h~/Nij. Table 2 presents estimates (in monthly terms) of these average hazard rates...
Journal Article
Demography (2020) 57 (3): 1145–1170.
Published: 04 May 2020
... = 1 L − 1 v r , l ∆ r t − l + u t , where r t is a vital rate (either b t or d t ,), w t is the natural logarithm of the real wage as earlier, R and L refer to lag orders, and u t is an i.i.d. error term; the remainder are parameters...
FIGURES | View All (5)
Includes: Supplementary data
Journal Article
Demography (1993) 30 (2): 189–208.
Published: 01 May 1993
... respectively. In the remainder of this paper, for convenience, we use the term married interchangeably with ever-married and the term rate to denote a hazard or risk function. Before making any actual calculation of the RMR, we must consider a plausible set of baseline schedules and parameter values. We...
Journal Article
Demography (2014) 51 (6): 2025–2045.
Published: 13 November 2014
... = ∑ c = 1 C ∑ i = 1 N c x i c 2 N + ∑ c = 1 C ∑ i = 1 N c x ¯ c 2 N , where N is the total number of deaths and the c = 1, 2, . . . , C causes of death are mutually exclusive and exhaustive. The first term in Eq. ( A1...
FIGURES | View All (8)
Includes: Supplementary data
Journal Article
Demography (2012) 49 (4): 1207–1230.
Published: 26 September 2012
..., the term is the proportion of the overall difference in the variance in longevity that is due to the first cause. Next we decompose the contribution of the c th cause of death into its spread, allocation, timing, and joint components. The key insight is that , where is the mean age of life...
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Includes: Supplementary data
Journal Article
Demography (1966) 3 (2): 297–304.
Published: 01 June 1966
... many times higher than those of other couples who are wholly regular in their precautions. Naturally the high-risk women con- ceive more rapidly than the low-risk women and as a consequence, during a given pregnancy interval the composition of the sample, in terms of who remains at risk, is continually...
Journal Article
Demography (1967) 4 (2): 809–819.
Published: 01 June 1967
...- ficiency at the top of the occupational scale) and that males who migrated to the New York area were much more heavily concentrated in professions than their white counterparts (although, again, the female segment showed a slightly unfavor- able disproportion at the highest occupa- tionallevel). In terms...
Journal Article
Demography (2000) 37 (1): 53–72.
Published: 01 February 2000
..., 1880–1990 . Chicago : University of Chicago Press . Costa , D.L. , & Steckel , R.H. ( 1997 ). Long-Term Trends in Health, Welfare, and Economic Growth . In R.H. Steckel , & R. Floud (Eds.), Health and Welfare During Industrialization (pp. 47 – 89 ). Chicago...
Journal Article
Demography (1978) 15 (3): 239–258.
Published: 01 August 1978
... plagued by uncertainties stemming from definitional differences. Even within a single country, it is often doubtful whether a particular criterion has the same meaning over time or among different regions (Goldstein and Sly, 1975), and achieving a definition of urban localities in terms of administrative...
Journal Article
Demography (1967) 4 (2): 780–797.
Published: 01 June 1967
... information. This level of approval, if found throughout the coun- try, would certainly justify government initiative. Any action program, however, will ulti- mately have to deal not so much in terms of general approval, but with specific forces working for or against the adoption of birth control...