Cost analysis of the health examination data with 60 thousand individuals
Project/Area Number |
22590585
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Public health/Health science
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Research Institution | Shiga University of Medical Science |
Principal Investigator |
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Co-Investigator(Renkei-kenkyūsha) |
UESHIMA Hirotsugu 滋賀医科大学, 生活習慣病予防センター, 特任教授 (70144483)
MIURA Katsuyuki 滋賀医科大学, 医学部, 教授 (90257452)
OKAMURA Tomonori 慶應義塾大学, 医学部, 教授 (00324567)
|
Project Period (FY) |
2010 – 2012
|
Project Status |
Completed (Fiscal Year 2012)
|
Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2012: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2011: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2010: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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Keywords | 健康診断 / 医療費分析 / 内臓脂肪症候群 / 医療統計学 / ガンマ回帰モデル |
Research Abstract |
Objective: The clustering of cardiovascular disease (CVD) risk factors is a serious threat for increasing medical expenses. The age‐specific proportion and distribution of medical expenditure attributable to CVD risk factors, especially focused on the elderly, is thus indispensable for formulating public health policy given the extent of the ageing population in developed countries. Study design: Cost analysis using individuals' medical expenses and their corresponding health examination measures. The study was conducted in Shiga prefecture, Japan, from April 2000 to March 2006. Participants: 33 213 participants aged 40 years and over. Methods: Gamma regression models were applied to examine how the number of CVD risk factors affects mean medical expenditure. The four CVD risk factors analysed in this study were defined as follows: hypertension (systolic blood pressure 〓140 mm Hg or diastolic blood pressure 〓90 mm Hg), hypercholesterolaemia (serum total cholesterol 〓240 mg/dl), high bl
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ood glucose (casual blood glucose 〓200 mg/dl) and smoking (current smoker). Sex-specific and age-specific investigations were carried out on the elderly (aged 65 and over) and non-elderly (aged 40-64) populations. Results: The mean medical expenditure (per year) for the no CVD risk‐factor group was only 110 000 yen at age 50 (men, 110 708 yen; women, 107 109 yen), but this expenditure was 6‐7 times higher for 80‐year‐olds who have three or four CVD risk factors (men, 603 351 yen; women, 765 673 yen). The total overspend (excess fraction) was larger for the non‐elderly (men, 15.4%; women, 11.1%) than that for the elderly (men, 0.1%; women, 5.2%) and largely driven by people with one or two CVD risk factors, except for elderly men. Conclusion: The age‐specific proportion and distribution of medical expenditure attributable to CVD risk factors showed that a high‐risk approach for the elderly and a population approach for the majority are both necessary to reduce total medical expenditure in Japan. Less
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Report
(4 results)
Research Products
(11 results)