Affect and subsequent physical activity: An ambulatory assessment study examining the affect-activity association in a real-life context.

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Traditionally,cognitive,motivational,andvolitionaldeterminantshavebeenusedtoexplainandpredicthealthbehaviorssuchasphysicalactivity.Recently,theroleofaffectininfluencingandregulatinghealthbehaviorsreceivedmoreattention.Affectsasinternalcuesmayautomaticallyactivateunconsciousprocessesofbehaviorregulation.Theaimofourstudywastoexaminetheassociationbetweenaffectandphysicalactivityindailylife.Inaddition,westudiedtheinfluenceofthehabitofbeingphysicallyactiveonthisrelationship.Anambulatoryassessmentstudyin89persons(33.7%male,25to65years,M=45.2,SD=8.1)wasconducted.Affectwasassessedintheafternoonon5weekdaysusingsmartphones.Physicalactivitywasmeasuredcontinuouslyobjectivelyusingaccelerometersandsubjectivelyusingsmartphonesintheevening.Habitstrengthwasassessedatthebeginningofthediaryperiod.Theoutcomeswereobjectivelyandsubjectivelymeasuredmoderate-to-vigorousphysicalactivity(MVPA)performedafterwork.MultilevelregressionmodelswereusedtoanalyzetheassociationbetweenaffectandafterworkMVPA.Inaddition,thecross-levelinteractionofhabitstrengthandaffectonafterworkMVPAwastested.Positiveaffectwaspositivelyrelatedtoobjectivelymeasuredandself-reportedafterworkMVPA:thegreaterthepositiveaffectthemoretimepersonssubsequentlyspentonMVPA.Aninverserelationshipwasfoundfornegativeaffect:thegreaterthenegativeaffectthelesstimepersonsspentonMVPA.Thecross-levelinteractioneffectwassignificantonlyforobjectivelymeasuredMVPA.Astronghabitseemstostrengthenboththepositiveinfluenceofpositiveaffectandthenegativeinfluenceofnegativeaffect.Theresultsofthisstudyconfirmpreviousresultsandindicatethataffectplaysanimportantrolefortheregulationofphysicalactivitybehavioridailylife.Theresultsforpositiveaffectwereconsistent.However,incontrasttopreviousreportsofnooraninverseassociation,negativeaffectdecreasedsubsequentMVPA.Theseinconsistenciesmaybe—inpart—explainedbythedifferentmeasurementsofaffectinourandotherstudies.Therefore,furtherresearchiswarrantedtogainmoreinsightintotheassociationbetweenaffectandphysicalactivity.
Original languageEnglish
Article number677
JournalFrontiers in psychology
Volume7
Pages (from-to)1-10
Number of pages10
ISSN1664-1078
DOIs
Publication statusPublished - 2016

ID: 2865655

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