2ndBehaviorChangeConference
London,February24,2016
Designingevidenceandtheory-basedICTtoolsfor
weightlossmaintenance:TheH2020NoHoWToolkit
MartaM.Marques,A.L.Palmeira,P.J.Teixeira
&theNoHoWConsor=um
Grant agreement No 643309
CIPER,FacultyofHumanKine=cs,UniversityofLisbon
The
Project
ü  Aimstotestwhethertheory–andevidence–basedbehaviorchange
techniquesdeliveredviaanICTToolkit(TK),promotesuccessfulWLM.
The
Team
The
Trial
Factorialdesigntotestthecontribu=onofeachframework:
ü BuildingAutonomousMo=va=on–Self-Determina=onTheory
ü Self-Regula=onskills–Self-Regula=onTheory
ü Emo=onalRegula=onskills–Mindfullness-based,ACT.
EmoDonalRegulaDon
YES
MoDvaDon
+
Behavioral
Self-regulaDon
NO
Self-monitoring
Self-monitoring
Mo=va=on+SRegula=on Mo=va=on+SRegula=on
Emo=onalRegula=on
Self-monitoring
Emo=onalRegula=on
YES
NO
Self-monitoring
EvidenceFounda5on
-LearningmoreaboutWLM-
ü SystemaDcreviewonthecomponents(theories,techniquesand
modesofdelivery)ofICTintervenDonstarge=ngWL/WLM.
ü Surveywithrepresenta=vesampleofindividualswhohave
previouslylossweight,andin-depthinterviewsaboutpa_ernsof
WL/WLManduseofICT.
The
Trial
•  2x2factorialRCT,6Minterven=on(FU=18M).
•  N=1600adults(≥than5%oftheirweight,last12months).
•  3centres:UK,DKandPT.
•  Outcomes:Changesinbodyweightandhealthmarkers;Changes
inPA,diet,sleep,well-being.
TheToolkit
ü Setofweb-apptools,andinputsfromothertechnologies,suchas
smartscalesandac=vitytrackers.
ü ThemaDccontent
-PriorityandComplimentaryAreas
- Interac=vesessions
- Promptbyweeklycontact
DevelopmentofthecontentoftheTK
-Systema4capproach-
1.  Targetbehaviorsexplicit
2.Iden=fykeytheore=calconstructs–mechanismsofacDon
3.Developtheory-drivenmodelsoftheTK
4.SelectintervenDontechniquesthatareexpectedtoimpactontarget
constructs
5.TranslatethesetechniquesintotheTKprinciplesandtechnical
specifica=ons
8
Ontologyofbehaviorchangeinterven5ons
Michie&West,2016
Theore5calPrinciplesunderlyingModularDesign
PromoteAutonomy
1.Offerchoiceonhowusersengagewiththetoolkitandimplementthecontentprovided–
specificbehaviouralandweightgoalsareformulatedandplannedbytheindividual;typeof
strategiesused;contact(e.g.frequencyofcontact,addi=onalprompts).
2.Useautonomy-supportlanguageintheimplementa=ons(non-direc=veandnonjudgmentaltone;avoid“shoulds”,“musts”,“werecommend”).
PromoteCompetence
1.Providera=onaleforbehaviourchangesandstructurefromwheretochoosefrom(e.g.
usemul=plechoices/drop-downboxes;selectgoalsfromalistofcommonstrategiesfor
WLM);
2.Promoteselec=onofop=malchallenginggoals.
Promoteself-regula=oncapacityandskills
1.Encourageandprovidesupportontheformula=onandplanningforspecificbehavioural
(physicalac=vityand/ordietary)andweightgoals,againstwhichuserscanassesstheir
performance;
2.Encourageandprovidesupportontheformula=onofcopingplans(iden=fica=onof
difficultsitua=onandstrategiestoavoid/dealwithit)
TheNoHoWToolkit
Module2-MythsandFactsaboutexercise,ea=ngandweight
Session - The best way to avoid a trap is knowing of its existence
Goals
TheoreDcal
constructs
IntervenDon
techniques
RaDonale
GeneraldescripDon
implementaDon
Promote
factual
knowledge
aboutenergy
balancerelated
behaviors
(exerciseand
diet)and
WLM.
Competence
-Iden=fy
misconcep=ons
about
condi=onor
behaviors
(SDTT_C34)
Byclarifyingwhich
prac=ces
(behaviors)are
moreassociated
withWLM,and
linkingwiththe
prac=ceslistedin
module1.2.,we
promoteusers'
increased
knowledgeon
whatisimportant
forWLMinterms
ofbehaviorchange
(competence).
Aquizfollowedbyafact
sheetwithmythsandfacts
onWLMandrelated
behaviors(exerciseanddiet)
isshown.Attheend,users
areaskedtogobacktothe
prac=ces/strategiesstated
onmodule1.2.,andreflect
ontheiru=lityforWLM,
basedonthisnew
informa=on.
TKDevelopmentChallenges
ü  Transla=onofpsychologicalcomponentstothedigitalworld
ü  EngagingfeaturesoftheTK
ü  Interac=onTK-Users
ü  Integra=ngreal-worldapps
FeasibilityandPilotStudies
ü FeasibilitystudyoftheToolkit–UsertesDng,andqualitaDvedata.
ü Toolkitfeatureandfunc=onali=esarerefinedandfinalized;translatedto
3languages.
ü Variousincrementalfeasibilitytestsforpilo=ngmeasures,training,and
tes=ngothercomponents.
ü PilotoftheprotocolandTK-10subjectsateachcentre.
Full trial
WhatweexpectfromNoHoW
ü  Increaseknowledgeabouttheory-basedmechanismsofac=on
involvedinsuccessfulWLM.
ü  Testbehaviorchangeprinciplesandtheorytranslatedintodigital
interven=on.
ü  Contributetoscalableandsustainablesolu=onstoweightloss
maintenanceacrosstheEurope.
Learnmoreaboutourprojectat
hWp://nohow.eu/