PDF
Full
Outline
To explore the relationship between dietary fiber intake and cognitive function, providing insights for nutritional interventions to prevent cognitive impairment.
Adults over 50 years old from the 2022 Southwest Population Cohort were selected as study subjects. Multiple linear regression and multivariable logistic regression models were used to analyze the relationship between dietary fiber intake and cognitive impairment. Subgroup analysis was performed to explore the association between dietary fiber intake and cognitive impairment across different age and gender groups.
A total of 1 267 participants were included,the median dietary fiber intake of the participants was 13.3 g/d. The dietary fiber intake of individuals with cognitive dysfunction, specifically those with mild cognitive impairment (11.6 g/d), was significantly lower than that of the normal group (13.7 g/d), and the difference was statistically significant (Z=3.93, P<0.001). After adjusting for age, gender, body mass index, education, smoking, per capita monthly household income, hypertension, diabetes, and daily energy intake, dietary fiber intake was positively correlated with cognitive function scores. The logistic regression analysis showed that, compared to the lowest dietary fiber intake group (Q1), the highest dietary fiber intake group (Q4) had a reduced risk of cognitive dysfunction, with statistically significant OR values of 0.29 (95% CI: 0.16–0.53), 0.27 (95% CI: 0.14–0.49), and 0.39 (95% CI: 0.18–0.84). The impact of dietary fiber intake was more pronounced in males and in individuals aged 63 and above.
There is a negative association between dietary fiber intake and cognitive dysfunction, suggesting that dietary fiber may be a protective factor against cognitive dysfunction, with this association being particularly significant in males and individuals aged 63 years and older.
PDF
49
18
| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
关闭全屏
No. 86 Xueyuan South Road, Haidian District, Beijing
010-62199257
qkjq@cast.org.cn
Copyright © 2025 China Association for Science and Technology. All rights reserved. For all open access content, the relevant licensing terms apply.
Sponsored by the Office of the Leading Group for Cybersecurity and Informatization of CAST, and supported by Science and Technology Review Publishing House
