Epidemiological evidence of increased bone mineral density in habitual tea drinkers

Chih Hsing Wu, Yi Ching Yang, Wei Jen Yao, Feng Hwa Lu, Jin Shang Wu, Chih Jen Chang

研究成果: Article同行評審

98 引文 斯高帕斯(Scopus)

摘要

Background: Researchers have hypothesized that bone mineral density (BMD) may be influenced by chemical compounds such as caffeine, phytoestrogen, fluoride, and many compounds that are contained in tea extracts. Hence, the relationship between habitual tea consumption and BMD is an interesting issue. Methods: Based on an epidemiological survey, we enrolled 497 men and 540 women, 30 years and older, in our study. All subjects were questioned about their habit of tea consumption and other lifestyle characteristics by means of a structured questionnaire. Dual-energy x-ray absorptiometry was used to measure the BMD of the total body, lumbar spine (L1-L4), hip neck, and Ward triangle regions. Results: Five hundred two subjects (48.4%) were habitual tea drinkers, with a mean duration of tea consumption of approximately 10 years. Compared with nonhabitual tea drinkers, subjects with habitual tea consumption of 6 to 10 years showed higher lumbar spine BMDs, and those with consumption of more than 10 years showed the highest BMDs of all measured regions. Under the multiple stepwise regression models, sex, age, body mass index, total physical activity, and habit of tea consumption were the major significant variables for the different BMD regions. Regarding the behavioral characteristics of tea consumption, the duration of tea consumption was the only independent determinant for the BMDs. Conclusion: Habitual tea consumption, especially for more than 10 years, has significant beneficial effects on BMD of the total body, lumbar spine, and hip regions in adults.

原文English
頁(從 - 到)1001-1006
頁數6
期刊Archives of Internal Medicine
162
發行號9
DOIs
出版狀態Published - 2002 五月 13

All Science Journal Classification (ASJC) codes

  • Internal Medicine

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