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Erschienen in: Archives of Osteoporosis 1/2020

01.12.2020 | Original Article

Oolong tea drinking boosts calcaneus bone mineral density in postmenopausal women: a population-based study in southern China

verfasst von: Pengfei Duan, Jiahong Zhang, Jialian Chen, Zhixi Liu, Pi Guo, Xiaolian Li, Linfen Li, Qingying Zhang

Erschienen in: Archives of Osteoporosis | Ausgabe 1/2020

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Abstract

Introduction

Observational studies have shown that tea consumption has a potentially beneficial effect on bone health. However, few studies have assessed the effects of types of tea consumed on bone health. We aimed to investigate whether drinking oolong tea is associated with increased calcaneus bone mineral density (BMD) in postmenopausal women.

Methods

From an epidemiological survey in Shantou, 476 postmenopausal women aged 40 to 88 years were enrolled in the study. All women were questioned about their demographic features, lifestyle, health status, types of tea consumed, habit of tea consumption, and habitual dietary intake by use of a structured questionnaire. Estimated areal BMD was measured by calcaneal quantitative ultrasound (QUS).

Results

As compared with non-tea drinkers, oolong tea drinkers had higher calcaneus BMD (β 34.70 [95% CI 10.38, 59.03]). In addition, calcaneus BMD was significantly increased for those drinking 1–5 cups/day (β 27.43 [95% CI 3.70, 51.16]) but not > 5 cups/day. We observed no linear increase in calcaneus BMD with increasing years of tea consumption and local polynomial regression fitting showed a parabola-shaped association between years of tea consumption and calcaneus BMD. However, symptoms of osteoporosis did not differ by types of tea consumed.

Conclusion

Long-term moderate oolong tea consumption may have beneficial effects on bone health in postmenopausal women in Shantou of southern China.
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Metadaten
Titel
Oolong tea drinking boosts calcaneus bone mineral density in postmenopausal women: a population-based study in southern China
verfasst von
Pengfei Duan
Jiahong Zhang
Jialian Chen
Zhixi Liu
Pi Guo
Xiaolian Li
Linfen Li
Qingying Zhang
Publikationsdatum
01.12.2020
Verlag
Springer London
Erschienen in
Archives of Osteoporosis / Ausgabe 1/2020
Print ISSN: 1862-3522
Elektronische ISSN: 1862-3514
DOI
https://doi.org/10.1007/s11657-020-00723-6

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