1-20 of 1268 Search Results for

Closed Interval

Sort by
Journal Article
Demography (1970) 7 (4): 401–410.
Published: 01 November 1970
...K. Srinivasan Abstract A correlation analysis of data on four fertility variables viz. closed birth interval, open birth interval, age and parity, collected in a survey of about 2,000 married women in the reproductive ages in rural India, is carried out in order to study the interrelationships...
Journal Article
Demography (1975) 12 (3): 455–466.
Published: 01 August 1975
...Donald W. Hastings; Walter W. Robinson Abstract Using the 1970 1/1,000 Public Use Sample of the U.S. population, the relationships of the closed and open birth intervals with parity and mother’s age, with parity and marital duration and with children ever born/marital duration and mother’s age...
Image
Published: 22 January 2020
Fig. 5 Trends in the median duration of closed birth intervals as total fertility decreases according to region in 83 countries More
Image
Published: 21 December 2012
Fig. 4 Comparison of mean closed birth intervals by child’s birth order (CBI) derived alternatively by the birth history, P it , and P ait methods: Philippines 2003 DHS, whole country More
Image
Published: 22 January 2020
Fig. 3 Trends in (1) fertility by interval duration, (2) progression to the next birth, (3) the median duration of closed intervals by parity in successive quinquennia, and (4) the percentage wanting no more children among married women who gave birth in the previous year or are childless More
Journal Article
Demography (1987) 24 (1): 113–122.
Published: 01 February 1987
...Ronald R. Rindfuss; Larry L. Bumpass; James A. Palmore Abstract The practice of collecting information on only the last closed and the open birth intervals results in a biased set of intervals. Given this bias, can analysis of these intervals provide unbiased estimates of the effects...
Journal Article
Demography (1972) 9 (1): 173–185.
Published: 01 February 1972
... of the childbearing period. Also highlighted is the close relationship between labor force participation in one life cycle interval and probability of participation in subsequent intervals. It is found that working or not working in one life cycle is a useful predictor of subsequent work participation. Also...
Journal Article
Demography (1971) 8 (4): 441–450.
Published: 01 November 1971
...Tore Schweder Abstract A population projection is a prediction of a random vector variable X T . which represents the size and age/sex distribution of the population in year T . The population is assumed to be closed and to develop according to fixed and known schedules of birth and death...
Journal Article
Demography (1966) 3 (2): 537–544.
Published: 01 June 1966
... each cohort to class-specific rates of fertility, mortality, and net migration, generates a distribution of survivors and descendants of the original population, at successive intervals of time. Although cohort-survival methods take on a large number of variations, they all are essentially trend-based...
Journal Article
Demography (1981) 18 (4): 487–509.
Published: 01 November 1981
... followed, a concern that proved to be amply justified, the 1975 question- naire was expanded to include questions on reproductive intention as of the begin- ning of each closed interval (as well as at its end) and as of the beginning of the open interval (as well as at its end). The outcome...
Journal Article
Demography (1987) 24 (3): 361–373.
Published: 01 August 1987
... measurement problems associated with marital disruption. Finally, the restriction to women with parity two or more was necessary to construct the variables "second birth interval" and "breastfeeding in the last closed interval." In the rural area the number of ever-married women who were successfully...
Journal Article
Demography (1985) 22 (2): 145–168.
Published: 01 May 1985
... had substantial ef- fects on birth-interval length. They found little difference between intervals closed by births of order three, orders four to five, and orders six to eight, once these other factors were controlled, and concluded that parity is a relatively un- 145 important covariate...
Journal Article
Demography (1968) 5 (1): 34–44.
Published: 01 March 1968
..., Gandhigram, India. 34 NOTATIONS Before proceeding with the analytical models, let us explain some of the nota- tions that will be used in the analytical model building. Ti(i ~ 1) is the interval between the ith and (i + l)th births (also referred to as the closed interval). The mean and variance are denoted...
Journal Article
Demography (1981) 18 (3): 287–307.
Published: 01 August 1981
... is the dependent variable in a functional relationship. The second problem is that the dura- tion of breast-feeding is truncated (a) in the closed birth interval by the birth of another child, or (b) in the open birth in- terval by the date of the interview. What this means statistically is that the depen- dent...
Journal Article
Demography (2020) 57 (1): 267–296.
Published: 22 January 2020
...Fig. 5 Trends in the median duration of closed birth intervals as total fertility decreases according to region in 83 countries ...
FIGURES | View All (7)
Includes: Supplementary data
Journal Article
Demography (2010) 47 (1): 97–124.
Published: 01 February 2010
... of fertility, and mean and median ages at first marriage and mean and median closed birth intervals by birth order as measures of the tempo or timing of fertility. The focus is on effects of predictor variables on these measures rather than on coefficients, which are often difficult to interpret in the complex...
Journal Article
Demography (2008) 45 (1): 115–128.
Published: 01 February 2008
... at intervals that are longer than one year. In such cases, collecting health information retrospectively for the years skipped by the survey is useful. The main purpose of this paper is to show how retrospective health information can be used to estimate life expectancies in different health states. Healthy...
Journal Article
Demography (1971) 8 (3): 331–334.
Published: 01 August 1971
... which regards the force of mortality as constant within each age interval. The reasoning is readily comprehensible and all life table functions are easily calculated from the age-specific death rates without any need for further assumptions, approximations, or data. Furthermore, this method produces...
Journal Article
Demography (2013) 50 (4): 1387–1395.
Published: 21 December 2012
...Fig. 4 Comparison of mean closed birth intervals by child’s birth order (CBI) derived alternatively by the birth history, P it , and P ait methods: Philippines 2003 DHS, whole country ...
FIGURES | View All (4)
Includes: Supplementary data
Journal Article
Demography (1980) 17 (2): 207–223.
Published: 01 May 1980
.... ( 1974 ). Closed Birth Intervals: A Data-Analytic Study . New Delhi : Sterling Publishers . Durbin J. ( 1973 ). Distribution Theory for Tests Based on the Sample Distribution Function . Philadelphia : SIAM . Frederiksen A. V. K. ( 1976 ). Familierekonstitution . Copenhagen...