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JPMPH : Journal of Preventive Medicine and Public Health

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Yoomi Chae 2 Articles
Information Searching Behavior of Health Care Consumers by Sociodemographic Characteristics.
Yoomi Chae, Sunhee Lee, Woohyun Cho
Korean J Prev Med. 2001;34(4):389-398.
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OBJECTIVES
To investigate the information searching behavior of health care consumers according to sociodemographic characteristics. METHODS: A questionnaire survey was conducted of 1,507 persons who were selected through a multi-stage stratified area cluster sampling of the Republic of Korea, excluding the province of Jeju-do. Personal were conducted through a door-to-door survey between 27 July and 10 August 1999. RESULTS: 80.5% of respondents used more than one source of information and those 40~59 years of age, female, a housewife or student and those who claimed a religion demonstrated more active information searching behavior. A personal informer was used significantly more in those 20~39 years old, female, and those who claimed a religion. Clerical workers, those with post-secondary education and a monthly income greater than 2,000,000 won ($1500) were more actively used a public informer. Low socioeconomic status and older persons used an experimental informer when they chose a health care institution. CONCLUSION: Regardless of the sociodemographic characteristics, personal and experimental informers were the most useful source of information. Because appropriate information was not easy to obtain, the health care consumer was dependent upon word-of-mouth communication(personal informer) when using health care services.
Summary
The Accuracy of ICD codes for Cerebrovascular Diseases in Medical Insurance Claims.
Jong Ku Park, Ki Soon Kim, Chun Bae Kim, Tae Yong Lee, Kang Sook Lee, Duk Hee Lee, Sunhee Lee, Sun Ha Jee, Il Suh, Kwang Wook Koh, So Yeon Ryu, Kee Ho Park, Woonje Park, Seungjun Wang, Hwasoon Lee, Yoomi Chae, Hyensook Hong, Jin Sook Suh
Korean J Prev Med. 2000;33(1):76-82.
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AbstractAbstract PDF
OBJECTIVES
We attempted to assess the accuracy of ICD codes for cerebrovascular diseases in medical insurance claims (ICMIC) and to investigate the reasons for error. This study was designed as a preliminary study to establish a nationwide surveillance system. METHODS: A total of 626 patients with medical insurance claims who indicated a diagnosis of cerebrovascular diseases during the period from 1993 to 1997 was selected from the Korea Medical Insurance Corporation cohort (KMIC cohort: 115,600 persons). The KMIC cohort was 10% of those insured who had taken health examinations in 1990 and 1992 consecutively. The registered medical record administrators were trained in the survey technique and gathered data from March to May 1999. The definition of cerebrovascular diseases in this study included cases which met one of two criteria (Minnesota, WHO) or 'definite stroke' in CT/MRI finding. We questioned the medical record administrators to explain the error if the final diagnoses were not coded as stroke. RESULTS: The accuracy rate of the ICMIC was 83.0% (425 cases). Medical records were not available for 8.2% (51 cases) due to the closing of hospitals, the absence of a computer system or omission of medical record, etc. Sixty-three cases (10.0%) were classified as impossible to interpret due to insufficient records in 'major clinical symptoms' or 'neurological deficits'. The most common reason was 'to meet review criteria of medical insurance benefits (52.9%)'. The department where errors in the ICMIC occurred most frequently was the department for medical insurance claims in the hospital. CONCLUSION: The accuracy rate of the ICMIC was 83.0%.
Summary

JPMPH : Journal of Preventive Medicine and Public Health