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Tea consumption and physical function in older adults: a cross-sectional study.

T P Ng1, K C Y Aung, L Feng

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Summary

Regular tea consumption is linked to improved physical function in older adults. This includes better balance, gait, and daily living activities, highlighting tea

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Area of Science:

  • Gerontology
  • Nutritional Science
  • Public Health

Background:

  • Existing research suggests tea consumption may reduce risks of cardiovascular disease, stroke, and osteoporosis.
  • However, the direct impact of tea on physical function in older adults remains under-explored.

Purpose of the Study:

  • To investigate the association between tea consumption and physical functional performance in community-dwelling older adults.
  • Specifically examining gait, balance, instrumental activities of daily living (IADL), and basic activities of daily living (BADL).

Main Methods:

  • Cross-sectional analysis of 2398 adults aged ≥ 55 years from the Singapore Longitudinal Ageing Studies.
  • Data included self-reported tea consumption, Performance Oriented Mobility Assessment (POMA) for gait and balance, and self-reported IADL and BADL.
  • Multivariate analyses controlled for numerous demographic, health, and lifestyle factors.

Main Results:

  • Tea consumption showed a positive association with better balance (β=0.06, p<0.01), gait (β=0.01, p=0.02), IADL (β=0.03, p=0.01), and BADL (β=0.01, p=0.05).
  • Black/oolong tea consumption demonstrated strong positive associations in multivariate analyses.
  • Green tea showed positive associations in univariate analysis, while coffee consumption was not associated with physical function.

Conclusions:

  • Tea consumption is associated with enhanced physical functional performance in community-living older adults.
  • Findings suggest a potential role for tea in maintaining mobility and independence in aging populations.