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KMID : 0358119850110020071
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Journal of the Korean Public Health Association
1985 Volume.11 No. 2 p.71 ~ p.81
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ANALYSIS OF FACTORS AFFECTING FINANCIAL INDICATORS OF INDUSTRIAL ESTABLISHMENT MEDICAL INSURANCE SOCIETY
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朴宰用/Park, Jae Yong
禹琮河/Woo, Jong Ha
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Abstract
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´The purpose of this research is to do comparative analysis of financial indicators of the Industrial: Establishment Medical Insurance Societies (IEMIS), as well as to analyze factors affecting the financial: indicators. For the purpose of this study, cross-section data, which are, include revenues, expenditures, -and general characteristics for 146 IEMIS of the year 1984 have been used. Methods of analysis included
(1) calculation of mean, standard deviation and range of each items and financial indicators, (2) correlation analysis to assess the relationships between variables, (3) logarithmetic regression analysis to determine the elasticity of independent variables on the rate of expenditures to revenues. The independent variables are average ´standard monthly wage, contribution rate, dependency ratio, number of insured persons, out-patient cases per average beneficiary, in-patient cases per average beneficiary, and "expenditures paid by society per out-patient and in-patient case. Some of major findings in this study -can be summarized as follows:
1. The average rate of expenditures to revenues of IEMIS accounted for 98.7±11.2% (range: 65.2131.2-/o), the rate of benefits to contributions; 97.7=10.7% (65.2-129.6%), rate of management expenses to expenditures; 8.4±2.8%(1. 9-22.3%), reserve possession ratio (accumulated legal reserve /benefits); 63.8±72.3%(0.4-408.40/o), and reserve occurrence ratio (legal reserve among balance in 1984/contribution) ; 1.6±12.5% (-33.3±49.8%). In the long run, there were many differences in the financial status among societies.
2, The revenues and expenditures´ per beneficiary had close correlation with the average standard monthly wage, out-patient cases per beneficiary and in-patient cases per beneficiary. Especially outpatient cases per beneficiary showed greater correlation than in-patient. The management expenses per beneficiary -had close correlation with number of personnel engaged in society.
3. The rate of expenditures to revenues and the rate of benefits to contributions had correlation with average standard monthly wage, dependency ratio, and outpatient and in-patient cases per beneficiary. However, number of personnel engaged in society had reverse correlation with the rate of expenditures to revenues. 4. Factors affecting -the expenditures of society were insured persons, dependency ratio, outpatient and in-patient cases per beneficiary, and expenditures paid by society per outpatient and in-patient. Also, it was affected by outpatient care more than in-patient care.
5 The rate of expenditures to revenues was affected by dependency ratio, outpatient cases per beneficiary, and expenditures paid by society per outpatient. But it had inverse relation to average standard monthly wage and contribution rate.
6. Income elasticity of outpatient and in-patient cases per beneficiary was 0. 44 and 0. 42, respectively, and price elasticity of them were -0.41 and -0.86.
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KEYWORD
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