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KMID : 0353019730100020287
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Korean Journal of Public Health
1973 Volume.10 No. 2 p.287 ~ p.291
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A Study on Correlation between Some Selected Age-Specific Death Rates and Life Expectancies Based on West Model Life Table
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Abstract
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The purpose of this study is to estimate life expectancies (˚e。) with some selected age specific death rates.
The data necessary for this purpose were obtained from the West Model Life Table and abridged life table of Korea (1966).
Regression curves between mx and ˚e。were estimated by the West Model Life Table.
Regression equations and correlation coefficients were calculated by the electronic computer.
The brief summary of the findings is as follows.
1) The scatter diagrams between some selected m?´s and ˚e。were given by sex in Figures (1),(2),(3),(4) and (5).
2) As for the correlation between mx and ˚e。, anegative correlation could be observed between them which ranges from -0.98025(Table 3 & 4).
3) The regression equationnnnns which show the linear relations hip between ˚e。and m? are given in Tables (3),(4).
4) The life expectancy from the Korean life table (1966) was estimated by means of regression equstions obtained from the West Model Life Table and has been compared with the actual value of life expectancy (Male:58.65, Female 64.46) given in the life table (Table 5).
The estimates of life expectancy from the regression equation ranged from 50 years to 62 years for males and from 57 years to 73 years to 62 years for males and from 57 years to 73 years for females. From this result it could be observed that the estimate of life expectancy by regressino equations were most comparable with the actual value when m?´s were utilized for ages of 1,5,10,20,30 and 40 for males and for ages 0,1,5,10,30 ofr females.
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