健康生态学视角下我国老年人认知障碍识别模型的构建

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Construction of cognitive impairment identification model for older adults in China from the perspective of health ecology

LIMeixian，WANG Zonghua，ZHANG Xiaodi，FUHaiwei School ofNursing，ArmyMedicalUniversity，Chongqing4ooo38China *Corresponding Author WANG Zonghua，E-mail： zonghua91o@ tmmu.edu.cn

AbstractObjective：ToexploretheocurrencerateofcognitiveimpairmentamongolderadultsinChinaanditsinfluencingfactors basedonthealtholoicalmoel，andtoonstructthentificationmodeltoprovidedatasupportandteoretcalbasisforealy andaurateidentifcationofcognitiveimpairmentinolderadults.Methods：Atotalof42O4olderadultsaged6Oandabovefromthe 2018dataoftheChinahealthandretirementlongitudinalstudy（CHARLS）wereselectedastheresearchsubjects.Theywereradomly divided into training setand validation setata ratio of 7：3. LASSO regression wasused to screen variables.Cognitive impairment identificationmodelwasconstructedbasedonLogisticregresion.Theperformanceofthemodelwas evaluatedusing theareauderthe receiveroperatingcharacteristicurveAUC），ensitivityandsecificity.Results：heicidenceofognitiveimpaimentamogldr adults aged 6O and above in China was 19.60% .The results of the Logistic regression analysis showed that personal traits（IADL）， interpesonaltwosgad，ffginocialrttiolel）okdift heatingfacliesofhousing），andpolicyenvionmentendowmentinsurance，medicalinsurance）wereprotectivefctorsofgiive impairment in older adults ⌈P<0.05⌉ ，and personal traits（age，disability，depresson），behavioral characteristics（smoking），and policy environment（central region，western region） were risk factors of cognitive impairment in older adults（ P<0.05 ）.The AUC of the training setandvalidatiosetoftederlyogitieipaintidentificatiomodelostrctedreO8andO7espectivelyCoio： Theincidenceofcognitiveimpairmentamongolderadultswasreltivelyhigh.Theinfluencingfactorsincludedfiveaspects：personal traits，ehvioalracteiststepesoaletwoksokingdlvingoosndolicioet.esrucedi impairmentidentificationmodelforteelderlywashelpfulforacievingearlyandacurateidentificationofcogitiveimpaimentamong people aged 60 and above.

Keywordsolder adults; cognitive impairment; health ecology; influencing factors

随着我国人口老龄化进程加剧，预计到2040年，60岁及以上老年人口将占到总人口的 28% ，认知障碍（cognitiveimpairment，CI）问题日趋严重。（剩余11491字）