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Monthly Probability

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Published: 01 April 2023
Fig. 2 Percentage variation of the monthly probability of conception (compared with the mean risk in the sample) associated with comparable changes in the news coverage of the economy and macroeconomic variables. Estimates are from Model 2 of Table 2 . More
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Published: 24 June 2020
Fig. 5 Monthly flow probability of address moves and shelter entry, callers to HPCC More
Journal Article
Demography (1969) 6 (1): 75–90.
Published: 01 February 1969
...Anrudh K. Jain Abstract Estimates of fecundability (monthly probability of conception) in the absence of contraception are derived from the frequency distribution of conceptive delays immediately following marriage, reported by 2,443 married women aged 20 to 39 included in the Taichung (Taiwan...
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Published: 01 October 2022
Fig. 5 Predicted monthly migration probabilities by migrant alter type and number, compounded into constant five-year probabilities, with other variables held at sample values ( Table 2 , Model 3). Discrete values are used for Dakar nonmigrants and current migrants (reference = 0). For returnees More
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Published: 01 October 2022
Fig. 6 Predicted monthly migration probabilities by type of migrant network and tie strength, compounded into constant five-year probabilities, with other variables held at sample values ( Table 3 , Model 3). Source: Compiled by authors using the NSNHP main survey, 2014. More
Journal Article
Demography (1993) 30 (1): 81–102.
Published: 01 February 1993
... hazard functions are used, and age and parity effects are decomposed systematically. These methods permit the development of more elaborate models of changing fecundability and of heterogeneity in postpartum amenorrhea. How does effective fecundability- the monthly probability that a conception...
Journal Article
Demography (2007) 44 (4): 705–728.
Published: 01 November 2007
... cycle, the seasonality of fecundability is stronger. In this age group in the Northern Hemisphere, if seasonality of acts of sexual intercourse is controlled, the monthly distribution of probability of conception is bimodal, with two maxima (September and January) and two minima (December and March...
Journal Article
Demography (1973) 10 (1): 99–112.
Published: 01 February 1973
... of the probability distribution of length of anovulation A related to the probability distribu- tion of the number of anovulatory cycles for a given anovulatory length f natural fecundability d' monthly risk of discontinuing con- traception during an anovulatory month e effectiveness of contraception ß monthly...
Journal Article
Demography (1984) 21 (4): 647–653.
Published: 01 November 1984
... calculations, we consider, as an example, the estimation of fecundabili- 647 648 DEMOGRAPHY,volume 21, number 4, November 1984 ty-the monthly probability of concep- tion in the absence of fertility control. When estimating fecundability from sur- vey data, most techniques are based on the waiting time between...
Journal Article
Demography (1976) 13 (1): 65–82.
Published: 01 February 1976
... of observation, (ii) the distribution of initial abortions within this period, and (iii) the probability of a concurrent sterilization and, failing that, the monthly risk of terminating exposure thereafter. Also important is the competition be- tween spontaneous miscarriage and re- peat abortion. More accidental...
Journal Article
Demography (1973) 10 (3): 459–467.
Published: 01 August 1973
... been included. The application of the model for obtaining a refined index of fecundability and sterility has also been discussed. 27 1 2011 © Population Association of America 1973 1973 Successive Iteration Maternity Data Nancy Rate Monthly Probability Postpartum Amenorrhea...
Journal Article
Demography (1970) 7 (2): 255–271.
Published: 01 May 1970
... to the reported termination of lactation and re- sumption of menstruation. There may be a retrospective bias in reports of the exact number of months between the birth and the ending of lactation or resumption of menstruation. This probably explains why the monthly probabilities of terminating lactation...
Journal Article
Demography (2023) 60 (2): 607–630.
Published: 01 April 2023
...Fig. 2 Percentage variation of the monthly probability of conception (compared with the mean risk in the sample) associated with comparable changes in the news coverage of the economy and macroeconomic variables. Estimates are from Model 2 of Table 2 . ...
FIGURES
Includes: Supplementary data
Journal Article
Demography (1976) 13 (4): 495–505.
Published: 01 November 1976
... of the model can be obtained from.the author on request. FERMODA has been pro- grammed in FORTRAN IV on an IBM/ 360 computer.) ASSUMPTIONS I. Marriage. Monthly probabilities of marriage, widowhood, and divorce are all dependent exclusively on age, and remar- riage is not allowed. (Including remar- riage would...
Journal Article
Demography (1994) 31 (2): 321–346.
Published: 01 May 1994
... period of length S + n days, for n 0, implying a period spanning parts of two cycles, must condition the probability of conceiving during the second cycle on the probability of not conceiving during the first. Specifically, n P(S + n) = P(S) + [l - P(S)]P(S)e . (5) When we convert to monthly...
Journal Article
Demography (1975) 12 (4): 645–660.
Published: 01 November 1975
..., with probability generating function Wn+I (s) Vn(s) . Adding all subgroups, we find the prob- ability generating function of the expo- sure interval distribution for all women: (5) gsV(s) 1 - (1 - g)s Substitution of (5) in (3) results in and subject to the same constant monthly risk of leaving the state, thus...
Journal Article
Demography (1968) 5 (2): 947–959.
Published: 01 June 1968
... to assure complete pro- tection, and q = 1 - P where p = monthly probability of con- ception without using any contraceptive. Thus, assuming the above-mentioned con- ditions hold, the expected value of couple years of protection from R total contra- ceptives distributed in a year is: E (CYP) = ~2 [ q12(1...
Journal Article
Demography (1966) 3 (2): 297–304.
Published: 01 June 1966
... rate and its standard error are computed are given in the Appendix. CONTRACEPTION AS A PROCESS If each group of contraceptors shared a common monthly probability of acciden- tal pregnancy and if that probability re- mained fixed in time, then the classical methodology for measuring contraceptive...
Journal Article
Demography (1979) 16 (1): 103–119.
Published: 01 February 1979
... in a continuing sexual union, i.e., married, the determinants of birth intervals and birth rates considered were (Sheps and Menken, 1973, Chapter 5): p = the monthly probability of con- ception or the fecundability of a woman (an assumption made to simplify the model since fecunda- bility must be a characteristic...
Journal Article
Demography (1966) 3 (2): 450–461.
Published: 01 June 1966
... reasons be- cause the outcome of pregnancy deter- mines the expected length of pregnancy and ensuing amenorrhea; and (4) "fecund- ability," by which is meant a couple's typical monthly probability of conception when the female partner is "susceptible," that is, neither pregnant nor amenorrheic. A basic...