Comparison of two methods of constructing abridged life tables by reference to a standard table

comparison of the revised and the prior method of constructing the abridged life tables for the United States. by Monroe G. Sirken

Publisher: U.S. Dept. of Health, Education, and Welfare, Public Health Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off. in Washington

Written in English
Published: Pages: 11 Downloads: 606
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Places:

  • United States

Subjects:

  • United States -- Statistics, Vital.

Edition Notes

Other titlesConstructing abridged life tables.
Statement[Prepared by Monroe G. Sirken]
SeriesNational Center for Health Statistics. Vital and health statistics. Series 2: Data evaluation and methods research, no. 4, Public Health Service publication no. 1000, ser. 2, no. 4, Public Health Service publication ;, no. 1000, ser. 2, no. 4.
Classifications
LC ClassificationsHG8784.U6 S5 1966
The Physical Object
Pagination11 p.
Number of Pages11
ID Numbers
Open LibraryOL5750903M
LC Control Number71002456

sexes combined, using male, female and both sexes combined life tables respectively of the Sample Registration System (SRS). Several methods were existing for constructing model life table using a set of observed life tables as an input (See for instance Coale and Demeny,; United Nations, , ). A static life table records the number of living individuals of each age in a population and their reproductive output. The 2 varieties of life tables have distinct advantages and disadvantages, some of which are discussed below. Life tables (cohort or static) that classify individuals by age are called age-based life tables. Such life tables. As the authors remark, a life table is only another means of expressing the mortality experienced in a particular area over a particular period of time, so far, at least, as. concerns most public health work. It is, however, a very attractive method of statement and does bring out clearly some consequence of particular rates of mortality which are not obvious in the rates themselves. It was therefore necessary to construct robust life tables that accurately reflected the background mortality in each of the registry populations. Methods. Life tables of all-cause mortality rates by single year of age and sex were constructed by calendar year for each population and, when possible, by racial or ethnic sub-groups.

To compare the life expectancy of males and females in a country to that of the regional model life table, use the e x column at age 0. Once tables for males and females have been identified, use the 5-year survival rates in column P x, as shown in Equation (use pop-up box). In a sense, the Cox model is a merger of logistic regression and life-table analysis. The method is too complicated to describe here, and we will confine the discussion to interpretation of the results. As the name of the method suggests, one of its useful functions is the calculation of a hazard ratio (HR) or relative risk (RR).   Several techniques for expanding an abridged life table to a complete one are proposed in the literature. Although many of these techniques are considered accurate and are more or less extensively used, they have never been simultaneously evaluated. A general method for making increment-decrement life tables is presented. The method involves the finding of probabilities of transition between states, graduated to small intervals of time and age, that are consistent with (i.e., can reproduce) the data, whether the data consist of central age-state specific rates, or some other feature, such as state distributions of a real cohort.

One important method of assessing the health of a population is to ask how long people can expect to live. Life expectancy, usually reported at birth although it can be applied to other ages as well, is a commonly used summary measure which can also be used to compare against countries. Life expectancy is calculated using life tables. construct a life table This table will have a schedule of all births and deaths in all, or more likely some portion, of our population Two types of life table Cohort (or dynamic) life table: follow all offspring born at a given time (the cohort) from birth until the death of the last individual. This is the preferred way to generate a life table. The construction of life tables is often marred by one or more of the following restrictions: (1) assumptions that are either unjustifiable or of questionable generality; (2) rough approximations; (3) exacting data requirements. This paper recommends instead a simple method which regards the force of mortality as constant within each age interval. The reasoning is readily comprehensible and. There are two types of life tables used in actuarial science. The period life table represents mortality rates during a specific time period of a certain population. A cohort life table, often referred to as a generation life table, is used to represent the overall mortality rates of a .

Comparison of two methods of constructing abridged life tables by reference to a standard table by Monroe G. Sirken Download PDF EPUB FB2

COMPARISON OF TWO METHODS OF CONSTRUCTING ABRIDGED LIFE TABLES INTRODUCTION The publication of an annuai series of abridged life tables for the United States was started in After small biases were detected in the values of U.S. abridged life tables, studies were undertaken which led to the development of a revised method for constructing the Size: 1MB.

Comparison of two methods of constructing abridged life tables by reference to a "standard" table; comparison of the revised and the prior method of constructing the abridged life tables. Comparison of two methods of constructing abridged life tables by reference to a "standard" table.

Comparison of the revised and the prior method of constructing the abridged life tables. life table is needed. Hence it is important to construct a complete life table given the abridged one. Therefore, the objectives of the study were to evaluate and compare the performance of King’s Osculatory Interpolation and Heligman-Pollard model techniques in terms of expanding an abridged life table to a complete ones.

U.S. National Center for Health Statistics. Comparison of two methods of constructing abridged life tables by reference to a standard table. By M. Sirken. Vital and Health Statistics, 2(4). Hyattsville, MD: U.S. National Center of Health Statistics.

Google ScholarCited by: 5. the methods for constructing abridged life tables permit the preparation of abridged life tables which provide reasonably accurate data on current trends in expectation of life and survivorship.

Abridged life tables for to were constructed by the Greville method; l sinceamodified method has been employed.z The abridged life tables. Life Tables Life tables can be classified in two ways according to the length of the age interval in which data are presented (3). A complete life table contains data for every single year of age.

An abridged life table, on the other hand, typically contains data by 5- or year age intervals. The abridged life table is a short cut method designed for use when. complete life tables are based on one-year age intervals, abridged life tables are based on wider age categories.

Typically these age groups are: 0, etc. The majority of the HLD life tables are complete life tables. Some users, however, might prefer abridged life tables as a shorter form.

For this reason the HLD also. Infant deaths tend to occur early in the first year of life (which is the usual first age interval for abridged life tables). The ai value for this interval is around in developed countries and higher where infant mortality rates are higher.

The values for young childhood intervals. To construct a life table for Aruba it is very important to use a number of data sources from outside There are two types of life tables according to the reference year: the current and the cohort life table.

2 Abridged life table. Comparison of Two Surveys of Hospitalization: The National Hospital Discharge Survey and the NHANES I Epidemiologic Followup Study. 24 pp. (PHS) Comparison of Two Methods of Constructing Abridged Life Tables (by reference to a “standard” table).

Sirken, M.G. March 11 pp. (PHS) PB PC A03 MF A pdf icon [PDF. In recent years sociologists, public health officers, and students of population problems have been taking an increasing interest in the life table as a description of the age-variation in the chances of death and survival.

As a result of this interest in the subject, attention has been focused on rapid methods of constructing abridged life tables. Method for Constructing Complete Annual U.S. Life Tables. Series 2, Number 32 pp.

(PHS) pdf icon [PDF – KB] Comparison of Two Methods of Constructing Abridged Life Tables. Series 2, Number 4, 11 pp. pdf icon [PDF – MB] Method of Constructing the Abridged Life Tables for the United States, Vital Statistics. The new abridged life table method features (i) improved accuracy, (ii) tolerance to observed age distributions with bulges and dents and (iii), together with the infant life table method of H SIEH (), coverage of the whole life span.

The method is illustrated with construction of abridged life tables using Canadian data. Life Table Construction Sample Life Table Data Age Category # deaths # surviving Prop (lx) nx lx Log 10 dx qx Tx ex Years 8 0 50 32 7 40 28 13 85 A Short Method for Constructing an Abridged Life Table.

Authors; Authors and affiliations J.W. United states Life Tables,and – no affiliations available. About this chapter. Cite this chapter as: Reed L.J., Merrell M. () A Short Method for Constructing an Abridged Life Table.

In: Mathematical. Most life tables are period life tables, partly because few countries have the data required to construct cohort life tables, and partly because there is more interest in current than in past mortality.

The importance of cohort life tables is mainly conceptual. Life table concepts are more easily explained and understood for cohort life tables.

Comparison of two methods of constructing abridged life tables by reference to a "standard" table. Published Date: Comparison of the revised and the prior method of constructing the abridged life tables for the United States.

report describes a method for constructing complete annual U.S. life tables and for extending the age coverage. The life table is so valuable a description of the age variation in danger of dying that it is desirable to have rapid methods of obtaining it from the recorded vital statistics.

The principal value of the life table lies in the form in which agespecific risks of dying are stated. TABLE 9. UTILIZATION OF STATISTICS ON DEATHS IN BRINGING DATA ON COSTA RICAN POPULATION AGED 5 AND OVER IN i FORWARD TO Ses og.

'" Populotion Estimoted cohort cohort in. METHODS: The method, similar to that used to construct the decennial life tables, uses vital statistics and census data to calculate death rates for ages under 85 years and Medicare data for ages 85 years and over.

Previously, the annual life tables were abridged. construct a complete life table given the abridged life table. Since found that there are no significant differences between the actual data (data on n q x) and the estimated n q x, w e can.

Egypte Contemp. ;68() Construction of abridged life tables by reference to a standard complete life-table. Abul-ela Ala. PMID. The crude rates of the younger and older people were also graduated by two polynomials of order three. Besides, we include a measure of errors of the basic functions in life tables, specifically, the standard errors for the probability of dying and for the life expectancy.

Finally, we construct abridged life tables from the complete life table. Abridged life table: definitions of columns included in the Excel sheet "Table".

all Member States and summarizes the methods used for preparing life tables. adjusted for completeness if necessary were used directly to construct the life tables.

Death registration data for. 6 An Example of Life Table Construction with Grouped Data Problems and Complements Bibliographic Notes Chapter 5 Statistical Comparison of Life Tables 1 Some Data Features 2 Two-Sample Tests 3 k-Sample Tests 4 Post-Stratification Problems and Complements Bibliographic Notes Chapter 6 Multiple-Decrement Life Tables I 1 Computation of Cause-of.

Sirken, Monroe G. () Comparison of Two Methods of Constructing Abridged Life Tables. Rev. Series 2, No. Washington: National Center for Health Statistics. Spiegelman, Mortimer Introduction to Demography. Chicago: The Society of Actuaries. → See the references in Chapter 5 for materials on life tables.

The life tables in this report are current abridged life tables for the United States based on age-specific death rates in The data used to prepare these abridged life tables are final mortality statistics and July 1,population estimates. Presented are tables showing life expectancy and survivorship by age, race, and sex.

Such a life table is called an abridged life table. As the mortality experience of males and females in a population differ from each other, separate life tables are usually constructed for the two sexes. The construction of a life table is based on certain assump­tions.

insurance premiums and annuities, to predict survival, etc. Life tables can be categorized into abridged life tables and complete life tables according to different methods of classifying age.

For abridged and cause-eliminated life table, the standard grouping for age has 19 groups: 0−1,1−5,5−10,10−15,15−20,20−25,25−30,30−35,35−. The Life Table Method. The first method is the life table method, traditionally used by actuaries in determining life insurance rates, annuity premiums, requisite reserves, and so forth.

Life tables date back many centuries and are a simple method of representing .Hence it is important to construct a complete life table given the abridged one. Several methods have been suggested in the literature to construct a complete life table given the abridged life table.

The methods that have been extensively used are interpolation formula as in King [9] and Beers [1]. However, an interpolation method that is.Life tables Introducing the life table.

A typical demographic life table is shown in Table 1. This is a mortality life table and describes the survival of women in the UK in It looks very complicated but this module is designed to demystify it.

Notice that it is a series of columns of figures with some rather odd column headings - these.