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Association of the Korean-specific food-based index of dietary inflammatory potential with the risk of mild cognitive impairment in Korean older adults
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Se Yeon Hwang, Chong-Su Kim, Mi Kyung Kim, Yoonkyoung Yang, Yoon Jung Yang
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Epidemiol Health. 2024;46:e2024067. Published online July 25, 2024
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DOI: https://doi.org/10.4178/epih.e2024067
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 Abstract
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Abstract
OBJECTIVES
This study aimed to examine the association between the food-based index of dietary inflammatory potential (FBDI) and the risk of mild cognitive impairment (MCI) in Korean older adults.
METHODS The subjects were 798 Korean adults aged 60 years and older. The FBDI was calculated based on the intake of 7 anti-inflammatory and 3 inflammatory food groups. Cognitive function was assessed using the Korean version of the Mini-Mental State Examination. A general linear model and multiple logistic regression were applied to assess the association between FBDI and the risk of MCI.
RESULTS As the FBDI increased, the intake of white rice, cookies/candies, and sweetened drinks tended to increase, but the intake of niacin, β-carotene, calcium, and potassium tended to decrease (p for trend<0.05). The highest FBDI group had a higher MCI risk (odds ratio [OR], 1.60; 95% confidence interval [CI], 1.01 to 2.52) than the lowest FBDI group, adjusted for gender, age, and education level; and this trend was significant in a fully adjusted model (p for trend=0.039). No significant associations were found in men after adjusting for confounding factors. Among women, MCI risk increased as the FBDI increased (p for trend=0.007); and the highest FBDI group had a higher MCI risk (OR, 2.22; 95% CI, 1.04 to 4.74) than the lowest FBDI group in a fully adjusted model.
CONCLUSIONS These results suggest that the appropriate intake of anti-inflammatory foods and nutrients may be associated with a reduced risk of MCI among older adults.
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Summary
Korean summary
본 연구는 60세 이상 노인을 대상으로 한국인 맞춤형 식이 염증 지표와 경도인지장애 위험 사이의 연관성을 조사하였다. 식이 염증 지표 점수는 7개의 항염증 식품 그룹과 3개의 염증 식품 그룹의 섭취를 기반으로 계산하였는데, 식이 염증 지표 점수가 높은 노인들은 경도인지장애 위험이 더 높은 경향이 있음이 확인되었다. 이러한 연구 결과는 염증을 억제하는 식품과 영양소의 적절한 섭취가 경도인지장애 위험 감소와 연관되어 있음을 시사한다.
Key Message
Our study investigated the association between the Korean-specific food-based index of dietary inflammatory potential (FBDI) and risk of mild cognitive impairment (MCI) in adults aged 60 and older. The FBDI was calculated based on the intake of 7 anti-inflammatory and 3 inflammatory food groups. The result showed that older adults with a higher FBDI tended to have a higher risk of MCI. These findings suggest that the appropriate intake of anti- inflammatory foods and nutrients may be associated with a reduced risk of MCI among older adults.
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