Article(id=1241036247196553272, tenantId=1146029695717560320, journalId=1227665162245664772, issueId=1241036242561855785, articleNumber=null, orderNo=null, doi=10.20043/j.cnki.MPM.202504109, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1743955200000, receivedDateStr=2025-04-07, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773815698670, onlineDateStr=2026-03-18, pubDate=1756051200000, pubDateStr=2025-08-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773815698670, onlineIssueDateStr=2026-03-18, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773815698670, creator=13701087609, updateTime=1773815698670, updator=13701087609, issue=Issue{id=1241036242561855785, tenantId=1146029695717560320, journalId=1227665162245664772, year='2025', volume='52', issue='16', pageStart='2881', pageEnd='3072', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773815697565, creator=13701087609, updateTime=1773840190562, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241138973712634304, tenantId=1146029695717560320, journalId=1227665162245664772, issueId=1241036242561855785, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241138973712634305, tenantId=1146029695717560320, journalId=1227665162245664772, issueId=1241036242561855785, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=2914, endPage=2918, ext={EN=ArticleExt(id=1241036249142710333, articleId=1241036247196553272, tenantId=1146029695717560320, journalId=1227665162245664772, language=EN, title=Relationship between handgrip strength asymmetry and cognitive function: the mediating role of activities of daily living, columnId=1228016567443718970, journalTitle=Modern Preventive Medicine, columnName=Epidemiology and Statistical Methods Advances, runingTitle=null, highlight=null, articleAbstract=
Objective To explore the impact of grip strength asymmetry on cognitive function among elderly people in Chengdu, to investigate the mediating role of activities of daily living (ADL) between grip strength asymmetry and cognitive function, and to provide scientific evidence for reducing the risk of cognitive decline.
Methods This study analyzed survey data from Wenjiang District and Longquanyi District in Chengdu in 2023. Handgrip strength asymmetry was calculated from bilateral grip strength measurements, and cognitive function was assessed using the Minimum Mental State Examination (MMSE). Correlation analysis and regression analysis were used to explore the relationship between handgrip strength asymmetry, ADL and cognitive function in the elderly. Bootstrap tested the mediating role of ADL between handgrip strength asymmetry and cognitive function.
Results The study included 1 110 participants, including both urban and rural residents of Chengdu, with an average age of 72.38±5.82 years, including 660 (59.5%) women. The handgrip strength asymmetry was negatively correlated with cognitive function and ADL (r=-0.121, P<0.001; r=-0.138, P<0.001), ADL was positively correlated with cognitive function (r=0.125, P<0.001). The results of mediating effect test showed that ADL played a partial mediating role between the handgrip strength asymmetry and cognitive function (P<0.05), and the mediating effect accounted for 12.9%.
Conclusion Our findings suggest that grip strength asymmetry can lead to impairment in activities of daily living, which in turn causes cognitive decline among the elderly population in Chengdu. Thus, ADL plays a partial mediating role between handgrip strength asymmetry and cognitive function. Physical exercise targeting grip strength and ADL may be an effective approach to preventing and delaying cognitive decline.
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目的 探讨成都市老年人握力不对称对认知功能的影响,并研究日常生活活动(Activity of Daily Living,ADL)在握力不对称和认知功能之间的中介作用,为预防认知下降提供科学依据。
方法 本研究利用成都市2023年温江区和龙泉驿区的调查数据进行分析。通过双侧握力计算握力不对称指数,使用简易精神状态检查表(Minimum Mental State Examination,MMSE)评估认知功能。使用Pearson相关分析及多元线性回归模型探讨老年人握力不对称、ADL与认知功能之间的关系,并应用Bootstrap法检验ADL的中介效应。
结果 本研究共纳入1 110名研究对象,平均年龄为72.38±5.82岁,其中女性660人(59.5%)。握力不对称与认知功能及ADL均呈负相关(r=-0.121,P<0.001;r=-0.138,P<0.001),ADL与认知功能呈正相关(r=0.125,P<0.001)。中介效应分析显示,ADL在握力不对称和认知功能之间起部分中介作用,中介效应占比12.9%。
结论 握力不对称可能与ADL和认知功能受损相关,即ADL在握力不对称和认知功能之间起到部分中介作用。针对握力和ADL的体育锻炼可能是预防和延缓认知衰退的有效途径。
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本刊刊出的所有文章不代表中华预防医学会和本刊编委会的观点,除非特别声明。, copyrightOwner=中华预防医学会和四川大学华西公共卫生学院, extLink=null, articleAbsUrl=null, sourceXml=AyhSFxagJUqQCMN9u/RggQ==, magXml=WHUUF1AUaKiCl7/VCFn/Qw==, pdfUrl=null, pdf=ft5EEeqIHpIyH7gKD9NH1g==, pdfFileSize=684838, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=A2jto5zZitWT/yY7NoJuEQ==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=3J8/UUJ2jMk6a2pJDq9lCg==, mapNumber=null, authorCompany=null, fund=null, authors=
叶素妮(2000—),女,硕士在读,研究方向:老年心理健康
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Journal of Affective Disorders,
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280(Pt A): 121-126., articleTitle=Research on cognitive function in anxious depression patients in China, refAbstract=null)], funds=[Fund(id=1241057511550283805, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241036247196553272, awardId=72174133, language=CN, fundingSource=国家自然科学基金(72174133), fundOrder=null, country=null), Fund(id=1241057511676112935, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241036247196553272, awardId=2023YFS0294, language=CN, fundingSource=四川省科技厅重点研发项目(2023YFS0294), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1241057505212690969, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241036247196553272, xref=1., ext=[AuthorCompanyExt(id=1241057505221079578, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241036247196553272, companyId=1241057505212690969, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Department of Epidemiology and Biostatistics, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, Sichuan 610041, China), AuthorCompanyExt(id=1241057505229468187, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241036247196553272, companyId=1241057505212690969, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.四川大学华西公共卫生学院/华西第四医院流行病与卫生统计学系,四川 成都 610041)]), AuthorCompany(id=1241057505346908708, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241036247196553272, xref=2., ext=[AuthorCompanyExt(id=1241057505363685927, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241036247196553272, companyId=1241057505346908708, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Mediation model of ADL in the relationship between grip strength asymmetry and cognitive function, figureFileSmall=8ImbXWtSXeqR/DY4Gk/Ytw==, figureFileBig=uuGXuqgMK2PVq1g2wPVOpg==, tableContent=null), ArticleFig(id=1241057510069695423, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241036247196553272, language=CN, label=图1, caption=
ADL在握力不对称和认知功能的中介模型注:*P<0.05;**P<0.01;***P<0.001;a表示握力不对称对ADL的效应值;b表示ADL对认知功能的效应值;c’表示握力不对称对认知功能的直接效应;c表示握力不对称对认知功能的总效应值。
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Assignment of categorical variables
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| 变量名称 | 变量赋值 |
|---|
| 性别 | 0=男,1=女 |
| 居住地 | 0=城镇,1=农村 |
| 居住状态 | 0=非独居,1=独居 |
| 婚姻状况 | 0=不在婚,1=在婚 |
| 教育水平 | 0=文盲,1=小学及以下,2=初中及以上 |
| 吸烟 | 0=否,1=是 |
| 饮酒 | 0=否,1=是 |
| 高血压 | 0=无,1=有 |
| 糖尿病 | 0=无,1=有 |
| 体重指数(BMI) | 0=正常体重,1=体重过轻,2=超重,3=肥胖 |
), ArticleFig(id=1241057510426211284, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241036247196553272, language=CN, label=表1, caption=
分类变量赋值情况
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| 变量名称 | 变量赋值 |
|---|
| 性别 | 0=男,1=女 |
| 居住地 | 0=城镇,1=农村 |
| 居住状态 | 0=非独居,1=独居 |
| 婚姻状况 | 0=不在婚,1=在婚 |
| 教育水平 | 0=文盲,1=小学及以下,2=初中及以上 |
| 吸烟 | 0=否,1=是 |
| 饮酒 | 0=否,1=是 |
| 高血压 | 0=无,1=有 |
| 糖尿病 | 0=无,1=有 |
| 体重指数(BMI) | 0=正常体重,1=体重过轻,2=超重,3=肥胖 |
), ArticleFig(id=1241057510526874587, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241036247196553272, language=EN, label=Table 2, caption=
Basic characteristics of the research object(n=1 110)
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| 变量名称 | n(%) |
|---|
| 性别 | |
| 男 | 450(40.5) |
| 女 | 660(59.5) |
| 居住地 | |
| 城镇 | 441(39.7) |
| 农村 | 669(60.3) |
| 居住状态 | |
| 非独居 | 1 006(90.6) |
| 独居 | 104(9.4) |
| 婚姻状况 | |
| 在婚 | 848(76.4) |
| 不在婚 | 262(23.6) |
| 教育水平 | |
| 文盲 | 295(26.6) |
| 小学及以下 | 482(43.4) |
| 初中及以上 | 333(30.0) |
| 吸烟 | |
| 无 | 936(84.3) |
| 有 | 174(15.7) |
| 饮酒 | |
| 无 | 788(71.0) |
| 有 | 322(29.0) |
| BMI正常 | 476(42.9) |
| 体重过轻 | 41(3.7) |
| 超重 | 455(41.0) |
| 肥胖 | 138(12.4) |
| 糖尿病 | |
| 无 | 897(80.8) |
| 有 | 213(19.2) |
| 高血压 | |
| 无 | 576(51.9) |
| 有 | 534(48.1) |
), ArticleFig(id=1241057510610760674, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241036247196553272, language=CN, label=表2, caption=
研究对象的基本特征(n=1 110)
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量名称 | n(%) |
|---|
| 性别 | |
| 男 | 450(40.5) |
| 女 | 660(59.5) |
| 居住地 | |
| 城镇 | 441(39.7) |
| 农村 | 669(60.3) |
| 居住状态 | |
| 非独居 | 1 006(90.6) |
| 独居 | 104(9.4) |
| 婚姻状况 | |
| 在婚 | 848(76.4) |
| 不在婚 | 262(23.6) |
| 教育水平 | |
| 文盲 | 295(26.6) |
| 小学及以下 | 482(43.4) |
| 初中及以上 | 333(30.0) |
| 吸烟 | |
| 无 | 936(84.3) |
| 有 | 174(15.7) |
| 饮酒 | |
| 无 | 788(71.0) |
| 有 | 322(29.0) |
| BMI正常 | 476(42.9) |
| 体重过轻 | 41(3.7) |
| 超重 | 455(41.0) |
| 肥胖 | 138(12.4) |
| 糖尿病 | |
| 无 | 897(80.8) |
| 有 | 213(19.2) |
| 高血压 | |
| 无 | 576(51.9) |
| 有 | 534(48.1) |
), ArticleFig(id=1241057510707229675, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241036247196553272, language=EN, label=Table 3, caption=
Correlation between Grip Strength Asymmetry, ADL, and Cognitive Function in research objects
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| 变量 |  | 握力不对称指数(%) | ADL | 认知功能 |
|---|
握力不对称指数 (%) | 12.78±12.19 | 1.000 | | |
| ADL | 5.90±0.49 | -0.138c | 1.000 | |
| 认知功能 | 20.67±6.10 | -0.121c | 0.125c | 1.000 |
), ArticleFig(id=1241057510824670191, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241036247196553272, language=CN, label=表3, caption=
研究对象握力不对称、ADL和认知功能相关性分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 变量 |  | 握力不对称指数(%) | ADL | 认知功能 |
|---|
握力不对称指数 (%) | 12.78±12.19 | 1.000 | | |
| ADL | 5.90±0.49 | -0.138c | 1.000 | |
| 认知功能 | 20.67±6.10 | -0.121c | 0.125c | 1.000 |
), ArticleFig(id=1241057510916944887, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241036247196553272, language=EN, label=Table 4, caption=
Regression analysis with ADL as a mediating variable
, figureFileSmall=null, figureFileBig=null, tableContent=
| 步骤 | 自变量 | 因变量 | 回归系数β | 标准误 | t值 | P值 |
|---|
| 第1步 | 握力不对称 | 认知功能 | -3.267 | 1.230 | -2.655 | 0.008 |
| 第2步 | 握力不对称 | ADL | -0.463 | 0.119 | -3.879 | <0.001 |
| 第3步 | 握力不对称 | 认知功能 | -2.845 | 1.235 | -2.304 | 0.021 |
| ADL | | 0.911 | 0.311 | 2.935 | 0.003 |
), ArticleFig(id=1241057511021802492, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241036247196553272, language=CN, label=表4, caption=
ADL作为中介变量的回归分析
, figureFileSmall=null, figureFileBig=null, tableContent=
| 步骤 | 自变量 | 因变量 | 回归系数β | 标准误 | t值 | P值 |
|---|
| 第1步 | 握力不对称 | 认知功能 | -3.267 | 1.230 | -2.655 | 0.008 |
| 第2步 | 握力不对称 | ADL | -0.463 | 0.119 | -3.879 | <0.001 |
| 第3步 | 握力不对称 | 认知功能 | -2.845 | 1.235 | -2.304 | 0.021 |
| ADL | | 0.911 | 0.311 | 2.935 | 0.003 |
), ArticleFig(id=1241057511143436290, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241036247196553272, language=EN, label=Table 5, caption=
Bootstrap mediation effect test of ADL on the relationship between grip strength asymmetry and cognitive function in the elderly
, figureFileSmall=null, figureFileBig=null, tableContent=
| 效应类型 | 效应值β(95% CI) | P值 | 效应占比 (%) |
|---|
| 中介效应 | -0.422(-1.325~-0.010) | 0.037 | 12.9 |
| 直接效应 | -2.845(-5.386~-0.420) | 0.024 | 87.1 |
| 总效应 | -3.267(-6.012~-0.760) | 0.015 | 100.0 |
), ArticleFig(id=1241057511248293896, tenantId=1146029695717560320, journalId=1227665162245664772, articleId=1241036247196553272, language=CN, label=表5, caption=
ADL在握力不对称与认知功能之间中介效应的bootstrap检验
, figureFileSmall=null, figureFileBig=null, tableContent=
| 效应类型 | 效应值β(95% CI) | P值 | 效应占比 (%) |
|---|
| 中介效应 | -0.422(-1.325~-0.010) | 0.037 | 12.9 |
| 直接效应 | -2.845(-5.386~-0.420) | 0.024 | 87.1 |
| 总效应 | -3.267(-6.012~-0.760) | 0.015 | 100.0 |
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