An inverse association between serum gamma glutamyl transpeptidase activity and Breslow's lifestyle index; its practical application for screening of subjects with unhealthy lifestyles

Hirokazu Yokoyama, Hideki Ohgo, Hiroshi Hirose, Susumu Moriya, Toshifumi Hibi, Ikuo Saito

研究成果: Article査読

3 被引用数 (Scopus)

抄録

We examined whether serum γGTP activity (γGTP) is associated with Breslow's lifestyle index and whether it could be used as a tool to detect subjects with unhealthy lifestyles. To that effect, 724 male Japanese workers excluding patients suffering from hepatitis virus infection, autoimmune liver diseases and apparently active bile duct diseases were cross-sectionally examined. γGTP was inversely associated with the total score of Breslow's index for all subjects (λ=30.643) and in subjects aged 40 or more (λ=37.073). The association was consistent even after adjustments of subjects' ages and levels of triglycerides, total cholesterol and uric acid (p=0.0001). Among the seven lifestyle factors comprising Breslow's index, improper habits of drinking (p<0.0001), smoking (p=0.0204), exercise (p=0.0189) and body weight control (p<0.0001), were associated with increased γGTP. Even in a survey in which subjects who had proper habits of drinking and body weight control were selectively examined, improper habits of smoking and exercise still tended to be associated with increased γGTP. Receiver operating characteristic curves indicated that γGTP was beneficial for detecting subjects who scored two or less on Breslow's index, at least in subjects aged 40 or more. γGTP was associated with insulin resistance level estimated by the homeostasis model assessment (p<0.0001), which was inversely associated with Breslow's index (p=0.0040). γGTP could be used as an objective substitute of Breslow's index, allowing us to identify subjects with low scores on Breslow's index, at least after sorting subjects properly. Such screening would enable interventions to correct subjects' unhealthy lifestyles, helping to solve lifestyle-related disease issues.

本文言語English
ページ(範囲)198-206
ページ数9
ジャーナルJournal of occupational health
48
3
DOI
出版ステータスPublished - 2006 5

ASJC Scopus subject areas

  • 公衆衛生学、環境および労働衛生

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