THE GRADUATION OF AGE-SPECIFIC FERTILITY RATES BY ORDER OF BIRTH OF CHILD

This report is concerned with mathematical concepts in the approach to fertility rates for those situations where basic data are scant and erratic. It should therefore be of special interest for work on most of the non-industrialized regions where censuses are not as yet administered efficiently. A...

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Bibliographic Details
Published in:Human biology 1967-02, Vol.39 (1), p.53-64
Main Author: MAZUR, D. PETER
Format: Article
Language:English
Subjects:
Adolescent
Adult
Age
Age groups
Aged (see also Aging, Geriatric)
Birth
Birth Order
Birth/Births
Childbirth
Demography
Female
Female fertility
Fertility
Fertility rates
Graduations
Humans
Maternal Age
Mathematics/Mathematical
Middle Aged
Models, Theoretical
Pregnancy
Statistics as Topic
Women
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Summary:This report is concerned with mathematical concepts in the approach to fertility rates for those situations where basic data are scant and erratic. It should therefore be of special interest for work on most of the non-industrialized regions where censuses are not as yet administered efficiently. A general solution to the problem of graduating age-order specific fertility rates is presented here in the form of equations applicable to data situations where only the rates of total fertility by order of birth of child are available, or where the data are gathered in very broad age categories. Theoretical considerations presuppose knowledge of certain basic parameters such as, the initial, terminal, and modal age of fertility in a population of women. The graduation of rates to any desired degree of specificity by age of woman and up to the sixth and higher orders of birth can best be done on the basis of period specific rates and, under certain conditions, with generational measures. In addition, the model can serve as an heuristic device from which deviations in actual data can be measured. The results of graduation are illustrated numerically on the basis of the natality data for Guatemala, as reported in the United Nations Demographic Yearbook.
ISSN:0018-7143
1534-6617