Cognition Clinical Trial
Official title:
Higher Tea Consumption is Associated With Better Performance on Measures of Attention and Psychomotor Speed in the Very Old: The Newcastle 85+ Study
Studies have found a beneficial effect of tea consumption on the reduction of risk of
cognitive impairment and dementia in older aged populations. However, there is a paucity of
data on these associations in the very old defined as individuals aged 85 years and over.
Therefore, we hypothesized that higher tea consumption was associated with better global and
domain-specific cognitive function. We investigated the relationship between tea consumption
in the very old and measures of global cognitive function, memory, attention and psychomotor
speed.
The Newcastle 85+ Study was a longitudinal (5-years), population-based cohort study of
individuals aged 85+ years in North East England, United Kingdom. The final sample included
676 community-dwelling and institutionalized men and women recruited through general medical
practices.
Baseline tea consumption was assessed through a 2x24-hr multiple pass recall and longitudinal
measures of global and domain specific (memory, speed and attention) cognitive function
through the standardized mini-mental state examination and the cognitive drug research
system. Linear mixed models, controlling for demographic (e.g. age, sex and education) and
health variables were used to determine whether tea consumption was protective against
cognitive decline.
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