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The Association between Tea Consumption and the Risk of Fracture: A Dose—Response Meta-Analysis of Prospective Cohort Studies

  • Original Research
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The journal of nutrition, health & aging

Abstract

Objectives

Inconsistent results exist on the role of tea consumption on subsequent risk of fracture. A dose-response metaanalysis was therefore conducted to assess the association of tea consumption with the risk of fracture based on prospective cohort studies.

Methods

The electronic databases of PubMed, Embase, and the Cochrane library were systematically searched to identify prospective cohort studies from inception until September 2020. The categories of high versus low and dose-response meta-analyses for tea consumption on the risk of fracture were calculated using the random-effects model. Eight prospective cohort studies recruited 774,134 individuals selected for the final meta-analysis.

Results

An increment of 1 cup in tea consumption was not associated with the risk of fracture [relative risk (RR), 0.98; 95% confidence interval (CI), 0.96-1.00; P = 0.102]. Moreover, the highest tea consumption category was associated with a reduced risk of fracture (RR, 0.93; 95% CI, 0.88-0.98; P = 0.005). Furthermore, heavy (RR, 0.91; 95% CI, 0.85-0.98; P = 0.008) and mild (RR, 0.97; 95% CI, 0.94-1.00; P = 0.046) tea consumption were associated with lower risk of fracture. However, moderate tea consumption was not associated with the risk of fracture (RR, 0.98; 95% CI, 0.94-1.02; P = 0.281).

Conclusion

This study found that increased tea consumption may provide a protective role in the risk of fracture. The benefits of tea consumption should be further explored according to the characteristics of the individuals.

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Acknowledgements

This study was supported by The Training Planned Fund of Academic Leaders, Shanghai Pudong New Area Health System (PWR 12018-09); The Featured Clinical Discipline Project of Shanghai Pudong (PWY ts2018-2); and Key Subject Construction Project of Shanghai Health System (ZK2019B05).

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Authors and Affiliations

  1. Department of Orthopedics, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China

    S.-L. Xia, Z.-Y. Ma, B. Wang, S.-Y. Guo, X.-X. Zhou & Feng Gao

  2. 1500 Zhoupu Zhouyuan Road, Pudong New Area, Shanghai, 201318, China

    Feng Gao

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Correspondence to Feng Gao.

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The authors declare that there is no conflict of interest regarding the publication of this paper.

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Xia, SL., Ma, ZY., Wang, B. et al. The Association between Tea Consumption and the Risk of Fracture: A Dose—Response Meta-Analysis of Prospective Cohort Studies. J Nutr Health Aging 25, 1046–1052 (2021). https://doi.org/10.1007/s12603-021-1677-4

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