Article(id=1240730053567369541, tenantId=1146029695717560320, journalId=1227665162245664772, issueId=1240730050669113883, articleNumber=null, orderNo=null, doi=10.20043/j.cnki.MPM.202411303, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1731600000000, receivedDateStr=2024-11-15, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773742696420, onlineDateStr=2026-03-17, pubDate=1745510400000, pubDateStr=2025-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773742696420, onlineIssueDateStr=2026-03-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773742696420, creator=13701087609, updateTime=1773742696420, updator=13701087609, issue=Issue{id=1240730050669113883, tenantId=1146029695717560320, journalId=1227665162245664772, year='2025', volume='52', issue='8', pageStart='1345', pageEnd='1536', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773742695728, creator=13701087609, updateTime=1773742807836, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1240730520988995837, tenantId=1146029695717560320, journalId=1227665162245664772, issueId=1240730050669113883, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1240730520988995838, tenantId=1146029695717560320, journalId=1227665162245664772, issueId=1240730050669113883, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1386, endPage=1391, ext={EN=ArticleExt(id=1240730053798056267, articleId=1240730053567369541, tenantId=1146029695717560320, journalId=1227665162245664772, language=EN, title=Relationship between dietary fiber intake and cognitive function in people aged 50 and above, Chengdu, columnId=1228016572783063333, journalTitle=Modern Preventive Medicine, columnName=Nutrition and Food Hygiene, runingTitle=null, highlight=null, articleAbstract=
Objective To explore the relationship between dietary fiber intake and cognitive function, providing insights for nutritional interventions to prevent cognitive impairment.
Methods 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.
Results 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.
Conclusion 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.
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目的 探究膳食纤维摄入量和认知功能之间的关系,为认知障碍的防治提供线索。
方法 选择2022年西南人群队列中50岁以上成年人作为研究对象,利用多重线性回归和多因素logistic回归模型分析膳食纤维摄入量和认知障碍之间的关系。然后进行亚组分析,探索不同性别年龄人群中膳食纤维摄入量和认知障碍之间的关联。
结果 共纳入1 267名研究对象,128(10.1%)人认知功能异常。研究对象膳食纤维摄入量中位数为13.3 g/d,认知功能异常者的膳食纤维摄入量(11.6 g/d)明显低于正常人群(13.7 g/d)且差异具有统计学意义(Z=3.93,P<0.001)。调整年龄、性别、身体质量指数、教育、吸烟、家庭人均月收入、高血压、糖尿病、日均能量摄入后,膳食纤维摄入量与认知功能得分呈正相关。逻辑回归显示与膳食纤维摄入量最低组(Q1)相比,膳食纤维摄入量最高组(Q4)认知功能异常的风险降低,且有统计学差异,Q2至Q4的OR值分别为0.29(95% CI: 0.16~0.53)、0.27(95% CI: 0.14~0.49)、0.39(95% CI: 0.18~0.84)。膳食纤维摄入量在男性和大于等于63岁的人群中影响更显著。
结论 膳食纤维摄入量与认知功能异常存在负相关关联,膳食纤维可能是认知功能异常的保护因素,并且在男性和大于等于63岁的人群中这种相关性可能更加明显。
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程志宝(2000—),男,硕士在读,研究方向:流行病学
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2023. (In Chinese), articleTitle=null, refAbstract=null)], funds=[Fund(id=1241070730314567869, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1240730053567369541, awardId=82173512, language=CN, fundingSource=国家自然科学基金(82173512), fundOrder=null, country=null), Fund(id=1241070730448785604, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1240730053567369541, awardId=82304135, language=CN, fundingSource=国家自然科学基金青年项目(82304135), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1241070724589343597, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1240730053567369541, xref=1., ext=[AuthorCompanyExt(id=1241070724597732208, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1240730053567369541, companyId=1241070724589343597, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan 610041, China), AuthorCompanyExt(id=1241070724606120817, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1240730053567369541, companyId=1241070724589343597, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Characteristics of the study population
, figureFileSmall=null, figureFileBig=null, tableContent=
| 特征 | 总计(n=1 267) | 认知功能异常 | χ2/Z值 | P值 |
|---|
| 正常组(n=1 139) | 异常组(n=128) |
|---|
| 性别[n(%)] | | | | 2.771 | 0.096 |
| 男 | 598(47.2) | 547(48.0) | 51(39.8) | | |
| 女 | 669(52.8) | 592(52.0) | 77(60.2) | | |
| 年龄[岁, M(P25, P75)] | 63(60,66) | 63(60,66) | 64(61,70) | -2.705 | 0.006 |
| BMI[kg/m2, M(P25, P75)] | 23.68(21.94,25.7) | 23.67(21.93,25.64) | 24.24(22.22,26.31) | -1.359 | 0.174 |
| 受教育水平[n(%)] | | | | 20.093 | <0.001 |
| 文盲 | 23(1.8) | 17(1.5) | 6(4.7) | | |
| 小学 | 111(8.8) | 98(8.6) | 13(10.2) | | |
| 中学 | 828(65.4) | 730(64.1) | 98(76.5) | | |
| 大学及以上 | 305(24.1) | 294(25.8) | 11(8.6) | | |
| 家庭人均月收入[元,n(%)] | | | | 22.673 | <0.001 |
| <1 800 | 115(9.1) | 92(8.1) | 23(18.0) | | |
| 1 800~3 200 | 390(30.8) | 340(29.9) | 50(39.1) | | |
| >3 200~5 000 | 410(32.4) | 379(33.3) | 31(24.2) | | |
| >5 000 | 352(27.8) | 328(28.8) | 24(18.8) | | |
| 婚姻状况[n(%)] | | | | 3.154 | 0.076 |
| 非在婚 | 152(12.0) | 143(12.5) | 9(7.0) | | |
| 在婚 | 1 115(88.0) | 996(87.5) | 119(93.0) | | |
| 吸烟状况[n(%)] | | | | 4.622 | 0.099 |
| 不吸烟 | 1 003(79.2) | 893(78.4) | 110(85.9) | | |
| 吸烟 | 117(9.2) | 111(9.7) | 6(4.7) | | |
| 已戒烟 | 147(11.6) | 135(11.9) | 12(9.4) | | |
| 高血压[n(%)] | | | | 8.956 | 0.003 |
| 有 | 378(29.8) | 355(31.2) | 23(18.0) | | |
| 无 | 889(70.2) | 784(68.8) | 104(82.0) | | |
| 糖尿病[n(%)] | | | | 0.168 | 0.682 |
| 有 | 102(8.1) | 91(8.0) | 11(8.6) | | |
| 无 | 1 165(91.9) | 1 048(92.0) | 117(91.4) | | |
| MMSE得分[分, M(P25, P75)] | 28(26,29) | 28(27,29) | 23(21,24) | 17.456 | <0.001 |
| 日均能量摄入[kcal/d, M(P25, P75)] | 1 670.1(1 422.7,2 061.33) | 1 688.8(1 437.0,2079.8) | 1 546.0(1 221.7,2 001.9) | 3.499 | <0.001 |
| 膳食纤维摄入[g/d, M(P25, P75)] | 13.3(9.6,18.0) | 13.7(10.0,18.3) | 11.6(8.7,14.2) | 3.928 | <0.001 |
), ArticleFig(id=1241070729383432331, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1240730053567369541, language=CN, label=表1, caption=
研究人群特征
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| 特征 | 总计(n=1 267) | 认知功能异常 | χ2/Z值 | P值 |
|---|
| 正常组(n=1 139) | 异常组(n=128) |
|---|
| 性别[n(%)] | | | | 2.771 | 0.096 |
| 男 | 598(47.2) | 547(48.0) | 51(39.8) | | |
| 女 | 669(52.8) | 592(52.0) | 77(60.2) | | |
| 年龄[岁, M(P25, P75)] | 63(60,66) | 63(60,66) | 64(61,70) | -2.705 | 0.006 |
| BMI[kg/m2, M(P25, P75)] | 23.68(21.94,25.7) | 23.67(21.93,25.64) | 24.24(22.22,26.31) | -1.359 | 0.174 |
| 受教育水平[n(%)] | | | | 20.093 | <0.001 |
| 文盲 | 23(1.8) | 17(1.5) | 6(4.7) | | |
| 小学 | 111(8.8) | 98(8.6) | 13(10.2) | | |
| 中学 | 828(65.4) | 730(64.1) | 98(76.5) | | |
| 大学及以上 | 305(24.1) | 294(25.8) | 11(8.6) | | |
| 家庭人均月收入[元,n(%)] | | | | 22.673 | <0.001 |
| <1 800 | 115(9.1) | 92(8.1) | 23(18.0) | | |
| 1 800~3 200 | 390(30.8) | 340(29.9) | 50(39.1) | | |
| >3 200~5 000 | 410(32.4) | 379(33.3) | 31(24.2) | | |
| >5 000 | 352(27.8) | 328(28.8) | 24(18.8) | | |
| 婚姻状况[n(%)] | | | | 3.154 | 0.076 |
| 非在婚 | 152(12.0) | 143(12.5) | 9(7.0) | | |
| 在婚 | 1 115(88.0) | 996(87.5) | 119(93.0) | | |
| 吸烟状况[n(%)] | | | | 4.622 | 0.099 |
| 不吸烟 | 1 003(79.2) | 893(78.4) | 110(85.9) | | |
| 吸烟 | 117(9.2) | 111(9.7) | 6(4.7) | | |
| 已戒烟 | 147(11.6) | 135(11.9) | 12(9.4) | | |
| 高血压[n(%)] | | | | 8.956 | 0.003 |
| 有 | 378(29.8) | 355(31.2) | 23(18.0) | | |
| 无 | 889(70.2) | 784(68.8) | 104(82.0) | | |
| 糖尿病[n(%)] | | | | 0.168 | 0.682 |
| 有 | 102(8.1) | 91(8.0) | 11(8.6) | | |
| 无 | 1 165(91.9) | 1 048(92.0) | 117(91.4) | | |
| MMSE得分[分, M(P25, P75)] | 28(26,29) | 28(27,29) | 23(21,24) | 17.456 | <0.001 |
| 日均能量摄入[kcal/d, M(P25, P75)] | 1 670.1(1 422.7,2 061.33) | 1 688.8(1 437.0,2079.8) | 1 546.0(1 221.7,2 001.9) | 3.499 | <0.001 |
| 膳食纤维摄入[g/d, M(P25, P75)] | 13.3(9.6,18.0) | 13.7(10.0,18.3) | 11.6(8.7,14.2) | 3.928 | <0.001 |
), ArticleFig(id=1241070729488289942, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1240730053567369541, language=EN, label=Table 2, caption=
Multivariate linear regression analysis of dietary fiber intake and cognitive function
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| 线性回归模型 | β(95% CI) | S.E. | P值 |
|---|
| 模型1 | 0.04(0.02~0.06) | 0.01 | <0.001 |
| 模型2 | 0.04(0.02~0.06) | 0.01 | <0.001 |
| 模型3 | 0.03(0.01~ 0.05) | 0.01 | 0.007 |
), ArticleFig(id=1241070729622507672, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1240730053567369541, language=CN, label=表2, caption=
膳食纤维摄入量与认知功能的多重线性回归分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 线性回归模型 | β(95% CI) | S.E. | P值 |
|---|
| 模型1 | 0.04(0.02~0.06) | 0.01 | <0.001 |
| 模型2 | 0.04(0.02~0.06) | 0.01 | <0.001 |
| 模型3 | 0.03(0.01~ 0.05) | 0.01 | 0.007 |
), ArticleFig(id=1241070729723170976, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1240730053567369541, language=EN, label=Table 3, caption=
Logisticregressionanalysisofdietary fiber intake and cognitive function
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 模型1 | 模型2 | 模型3 |
|---|
| OR(95% CI) | P值 | OR(95% CI) | P值 | OR(95% CI) | P值 |
|---|
| Q1 | ref | | ref | | ref | |
| Q2 | 0.68(0.42~1.09) | 0.108 | 0.66(0.41~1.07) | 0.094 | 0.72(0.42~1.22) | 0.219 |
| Q3 | 0.67(0.42~1.08) | 0.987 | 0.65(0.40~1.06) | 0.084 | 0.81(0.45~1.49) | 0.503 |
| Q4 | 0.29(0.16~0.53) | <0.001 | 0.27(0.14~0.49) | <0.001 | 0.39(0.18~0.84) | 0.016 |
| P趋势 | <0.001 | | <0.001 | | 0.041 | |
), ArticleFig(id=1241070729844805798, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1240730053567369541, language=CN, label=表3, caption=
膳食纤维摄入量与认知功能的logistic回归分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 | 模型1 | 模型2 | 模型3 |
|---|
| OR(95% CI) | P值 | OR(95% CI) | P值 | OR(95% CI) | P值 |
|---|
| Q1 | ref | | ref | | ref | |
| Q2 | 0.68(0.42~1.09) | 0.108 | 0.66(0.41~1.07) | 0.094 | 0.72(0.42~1.22) | 0.219 |
| Q3 | 0.67(0.42~1.08) | 0.987 | 0.65(0.40~1.06) | 0.084 | 0.81(0.45~1.49) | 0.503 |
| Q4 | 0.29(0.16~0.53) | <0.001 | 0.27(0.14~0.49) | <0.001 | 0.39(0.18~0.84) | 0.016 |
| P趋势 | <0.001 | | <0.001 | | 0.041 | |
), ArticleFig(id=1241070729945469102, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1240730053567369541, language=EN, label=Table 4, caption=
Correlation analysis of dietary fiber intake and cognitive function by gender and age
, figureFileSmall=null, figureFileBig=null, tableContent=
| 分组 | OR值(95% CI) | P值 | OR值(95% CI) | P值 |
|---|
| 性别 | 男 | | 女 | |
| Q1 | ref | | ref | |
| Q2 | 0.52(0.21~1.27) | 0.154 | 0.75(0.38~1.49) | 0.410 |
| Q3 | 0.41(0.14~1.18) | 0.099 | 0.98(0.46~2.13) | 0.975 |
| Q4 | 0.19(0.05~0.68) | 0.011 | 0.45(0.16~1.23) | 0.119 |
| 年龄(岁) | <63 | | ≥63 | |
| Q1 | ref | | ref | |
| Q2 | 0.64(0.25~1.60) | 0.348 | 0.76(0.38~1.50) | 0.429 |
| Q3 | 1.93(0.70~5.33) | 0.206 | 0.53(0.24~1.18) | 0.121 |
| Q4 | 0.52(0.11~2.36) | 0.288 | 0.33(0.12~0.88) | 0.027 |
), ArticleFig(id=1241070730083881141, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1240730053567369541, language=CN, label=表4, caption=
不同性别、年龄膳食纤维摄入与认知功能的相关性分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 分组 | OR值(95% CI) | P值 | OR值(95% CI) | P值 |
|---|
| 性别 | 男 | | 女 | |
| Q1 | ref | | ref | |
| Q2 | 0.52(0.21~1.27) | 0.154 | 0.75(0.38~1.49) | 0.410 |
| Q3 | 0.41(0.14~1.18) | 0.099 | 0.98(0.46~2.13) | 0.975 |
| Q4 | 0.19(0.05~0.68) | 0.011 | 0.45(0.16~1.23) | 0.119 |
| 年龄(岁) | <63 | | ≥63 | |
| Q1 | ref | | ref | |
| Q2 | 0.64(0.25~1.60) | 0.348 | 0.76(0.38~1.50) | 0.429 |
| Q3 | 1.93(0.70~5.33) | 0.206 | 0.53(0.24~1.18) | 0.121 |
| Q4 | 0.52(0.11~2.36) | 0.288 | 0.33(0.12~0.88) | 0.027 |
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