Choline Intake and Cognitive Function Among U.S. Older Adults

Area of Science:

• Nutritional Neuroscience
• Gerontology
• Cognitive Health

Background:

• Choline is vital for early brain development.
• Limited community-based data exists on choline's neuroprotective role in older adults.
• Adequate Intake (AI) levels for choline are established but often unmet.

Purpose of the Study:

• To investigate the relationship between choline consumption and cognitive performance in adults aged 60 and above.
• To assess if dietary or total choline intake impacts cognitive test scores in older populations.

Main Methods:

• Utilized data from the National Health and Nutrition Examination Survey (2011-2014) with 2,796 participants.
• Assessed choline intake via two 24-hour dietary recalls (dietary and total including supplements).
• Evaluated cognitive function using immediate/delayed word recall, Animal Fluency, and Digit Symbol Substitution Test.

Main Results:

• Average dietary choline intake was 307.5 mg/day; total intake was 330.9 mg/day, both below AI levels.
• No statistically significant association was found between dietary choline intake and cognitive scores (OR=0.94, 95% CI: 0.75-1.17).
• No significant association was observed between total choline intake and cognitive performance (OR=0.87, 95% CI: 0.70-1.09).

Conclusions:

• Dietary and total choline intake were not associated with cognitive functioning in this cohort of older adults.
• Findings suggest current choline intake levels in older adults may be insufficient.
• Further longitudinal or experimental studies are needed to clarify choline's role in cognitive health during aging.