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Journal Article
A study on the effectiveness of sterilizations in reducing the birth rate
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Demography (1969) 6 (1): 1–11.
Published: 01 February 1969
... of total population. The results failed to confirm the hope that the crude birth rate would be decreased by 12 per 1,000 in a decade merely by sterilization of five per 1,000 of the population per annum. The study also discusses various measures of reduction in the crude birth rate. By a reasonable measure...
View articletitled, A study on the effectiveness of <span class="search-highlight">sterilizations</span> in reducing the birth <span class="search-highlight">rate</span>
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Journal Article
Contraceptive sterilization in Puerto Rico
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Demography (1986) 23 (3): 351–365.
Published: 01 August 1986
.... We also find that sterilization has reduced the total marital fertility rate by over 33 percent, thus having a significant effect on reducing the rate of natural increase; by all indications, it will have a greater effect in the future. 9 1 2011 © Population Association of America 1986...
Journal Article
An exponential model of female sterility
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Demography (1973) 10 (1): 113–121.
Published: 01 February 1973
... that rates of becoming sterile may be adequately described by an exponential function utilizing proper parameter values. Such exponential-model rates form the basis for computation of a fecundity decrement table presented in this paper. Sterility proportions from the table are compared to some empirical data...
Journal Article
Estimation of the Birth Rate for the Congo Through Nonconventional Techniques
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Demography (1967) 4 (2): 688–709.
Published: 01 June 1967
... reveals a high regional variation in birth rate: from 20 per 1,000 (Bas Uele) to 60 per 1,000 (Kivu). This variation is consistent with the variation in sterility level as evidenced by the proportion of women never having had a live birth. The proportion of childlessness varies from 5 percent (Kivu...
Journal Article
Mortality risks, sequential decisions on births, and population growth
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Demography (1972) 9 (3): 485–498.
Published: 01 August 1972
... rates (1.01.5 percent vs. 2.5 percent) than are both commonly observed and also previously derived by Heer and Smith. In contrast to strategies relying only on sterilization, contraceptive spacing of births permits parents to buy time and information. In particular, they can postpone deciding whether...
Journal Article
Contraceptive practice required to meet a prescribed crude birth rate target: a proposed macro-model (tabrap) and hypothetical illustrations
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Demography (1975) 12 (3): 471–489.
Published: 01 August 1975
...-specific attrition rates of users; a potential fertility schedule of acceptors that allows for aging and sterility; and allowances both for postpartum anovulation and nine months for gestation to time properly the averted births. TABRAP generates annual data on acceptors, couple-years of use, births...
View articletitled, Contraceptive practice required to meet a prescribed crude birth <span class="search-highlight">rate</span> target: a proposed macro-model (tabrap) and hypothetical illustrations
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for article titled, Contraceptive practice required to meet a prescribed crude birth <span class="search-highlight">rate</span> target: a proposed macro-model (tabrap) and hypothetical illustrations
Journal Article
Measuring acceptances in a family planning program: the decomposition of rates by eligibility criteria
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Demography (1967) 4 (1): 158–171.
Published: 01 March 1967
...John Y. Takeshita; Ronald Freedman Summary Acceptance rates in family planning programs can be broken into components useful in analyzing programs and in evaluating success. In almost any program some couples can be defined as “ineligible” on the basis of alternative criteria. (Sterilized couples...
View articletitled, Measuring acceptances in a family planning program: the decomposition of <span class="search-highlight">rates</span> by eligibility criteria
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for article titled, Measuring acceptances in a family planning program: the decomposition of <span class="search-highlight">rates</span> by eligibility criteria
Journal Article
Effect on Unwanted Fertility of Extending Physician-Administered Birth Control in the United States
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Demography (1974) 11 (2): 189–194.
Published: 01 May 1974
... by contraceptive use. Thus, when combining pill-IUD users with women protected by sterilization to derive an unwanted fer- tility rate for women using PAC, and when calculating the rate when com- bining those using and those not using PAC, it was necessary to adjust for those differences. That was done...
Journal Article
A model to estimate births averted due to IUCDs and sterilizations
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Demography (1971) 8 (4): 491–505.
Published: 01 November 1971
... due to IUCDs and sterilizations performed during 1956-69. The results are com- pared with those that could have been obtained by using the usual age- specific marital fertility rates under identical conditions, except for initial susceptibility. The entire work is programmed on a high speed electronic...
Journal Article
Contraceptive Use and Discontinuation Among Adolescent Women in 55 Low- and Middle-Income Countries
Open Access
Demography (2025) 62 (2): 657–686.
Published: 01 April 2025
..., comparing them with trends among women aged 20–49. We find that adolescent women tended to use reversible, short-acting methods, whereas those later in the reproductive life course tended to use long-acting methods and female sterilization. Across all regions, 12-month all-method discontinuation rates among...
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View articletitled, Contraceptive Use and Discontinuation Among Adolescent Women in 55 Low- and Middle-Income Countries
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for article titled, Contraceptive Use and Discontinuation Among Adolescent Women in 55 Low- and Middle-Income Countries
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Journal Article
A vital statistics-based procedure for estimating conception rates
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Demography (1977) 14 (2): 223–238.
Published: 01 May 1977
...Thomas W. Pullum; Stephen J. Williams Abstract A method for estimating conception rates, using vital statistics data, is developed and applied to data on five-year age groups of California women for 1971. The approach is deterministic and allocates total exposure time to the known pregnancy...
Journal Article
A Time Series of Instrumental Fertility Variables
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Demography (1981) 18 (4): 487–509.
Published: 01 November 1981
... Fertility Study. There was a large decline in the number of intended conceptions, a recent large rise in the extent of their delay, a very large decline in rates of failure to delay or terminate fertility, and a very large recent rise in sterilization. But one problem proved important and intractable: When...
Journal Article
The end of rapid increase in the use of oral anovulants? Some problems in the interpretation of time series of oral use among married women
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Demography (1970) 7 (1): 31–41.
Published: 01 February 1970
.... The series presented in this paper have no such refinements, so to the extent that women not at risk are not a constant proportion of the total over the series, the growth curves sup- plied will be somewhat biased. (Exclu- sion of women sterile at the time of in- terview raised the overall use rate...
View articletitled, The end of rapid increase in the use of oral anovulants? Some problems in the interpretation of time series of oral use among married women
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for article titled, The end of rapid increase in the use of oral anovulants? Some problems in the interpretation of time series of oral use among married women
Journal Article
Hormonal Contraceptive Use and Discontinuation Because of Dissatisfaction: Differences by Race and Education
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Demography (2012) 49 (4): 1433–1452.
Published: 04 August 2012
...) with the available shorter-term methods experienced by black, Latina, and poorer women may lead them to use more long-term methods instead. 2 For example, the high rate of contraceptive sterilization as a current form of birth control (although not a hormonal method) among black, Latina, and less-educated women...
Journal Article
Socioeconomic development, family planning, and fertility in China
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Demography (1987) 24 (4): 531–551.
Published: 01 November 1987
... holders (ONECERT) 57.286 25.402 ZRZZ (1983:294) First-birth rate (FIRST) 48.693 17.174 Beijing Review(1984a:23) IUD use rate (IUD) 38.063 11.531 ZRZZ (1983:289) Pill use rate (PILL) 9.303 8.344 ZRZZ (1983:289) Condom use rate (CONDOM) 3.249 3.490 ZRZZ (1983:289) Male sterilization rate (MSTER) 4.735 6.394...
Journal Article
A Simple method for estimating age-specific rates from sequential cross sections
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Demography (2002) 39 (2): 287–310.
Published: 01 May 2002
... rates from cross sections arises in many fields. In Table 1 and throughout this article, V(a,t) represents a population value of interest at exact age a and time t (e.g., the proportion of women sterilized, the proportion agree- ing that Communists have a right to free speech, or the average number...
Journal Article
Use of a fertility simulation model to refine measurement techniques
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Demography (1971) 8 (4): 481–490.
Published: 01 November 1971
... of women who are sterile at considerably younger ages, estimates have ranged from less than 3 per cent in France (Landry, 1941, p. 232) to more than 10 per cent in Sweden (Quensel, 1936,59 Appendix IX) ; while in Asian and African countries consid- erably higher rates have been reported (Bourgois-Pichat...
Journal Article
Demography (2021) 58 (4): 1327–1346.
Published: 01 August 2021
... method after the Pill (25%), female sterilization (22%), and the male condom (15%). Implant use accounted for 3% of contraceptive use, up sharply from 0.5% in 2008 ( Kavanaugh and Jerman 2018 ). IUDs and implants have much lower contraceptive failure rates than all other reversible methods ( Sundaram et...
View articletitled, Women's Use of Long-Acting Reversible Contraception for Birth Timing and Birth Stopping
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for article titled, Women's Use of Long-Acting Reversible Contraception for Birth Timing and Birth Stopping
Includes: Supplementary data
Journal Article
Measurement of family planning progress in Pakistan
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Demography (1968) 5 (2): 659–665.
Published: 01 June 1968
... the carry- over of sterilizations. However, since vas- ectomies have gained in popularity and 1 K. A. Siddiqi, "Personal Performance and Reporting System" (R.C.D. Seminar on Family Planning [Karachi, April 6-8, 1966 Family Planning Progress in Pakistan 661 are now being performed at the rate of 40,000...
Journal Article
Measuring sterility from incomplete birth histories
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Demography (1989) 26 (2): 185–201.
Published: 01 May 1989
... Infertile Estimators Henry (1961, 1965) developed two methods of estimating age-specific rates of sterility. 1 The demonstrated fecund estimator (DF) is constructed under the assumption that the proportion of fecund couples at age a could be calculated if the fertility rate of couples fecund at that age...
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