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KMID : 0379320000250020293
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Korean Journal of Rural Medicine
2000 Volume.25 No. 2 p.293 ~ p.302
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The Threshold of 0.5% Salt-water Taste and Risk of Stomach Cancer
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Ohrr Hee-Choul
Lee Kang-Hee
Lee Sang-Wook
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Abstract
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The relationship between sodium intake and stomach cancer risk has been studied much in Japan but a great portions still remain controversial. There has been few studies on relationship between sodium intake and stomach cancer in Korea. The goal of this nested case-control study is to investigate the association between sodium intake and stomach cancer risk in a rural county of Korea. We estimated sodium intake indirectly by the threshold of salt-water taste of patients. This study was based on both of the data from ´Kangwha Cohort Study´ which had been conducted from March 1985 and Kangwha Community Cancer Registry´ which had been launched on July in 1982 by the College of Medicine, Department of Preventive Medicine, Yonsei University. A total of 145 patients who developed stomach cancer in Kangwha County were initially recruited as the case group. We tried to get two community-controls per stomach cancer case by matching age and gender. Finally we got information from 90 cases and 146 controls about the threshold of the salt taste and preference of salty food and so on. Some 79% of the´ information about case group came from proxy respondents and 56% among controls.
Risk ratios of developing stomach cancer adjusted for smoking, body mass index and self-stated health level were estimated. No statistically significant association between the threshold of salt taste and stomach cancer risk found in this study. We recommend some further studies utilizing urinary salt excretion, diet record method for better estimating of salt intake with a particular emphasis on interaction effect between salty and spicy food in hospital-based case-control study designs.
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KEYWORD
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Thereshold of 0.5% salt-water taste, Stomach caner
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