Testing motivational and self-regulatory mechanisms of action on device-measured physical activity in the context of a weight loss maintenance digital intervention: a secondary analysis of the NoHoW trial
| Main Author: | |
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| Publication Date: | 2023 |
| Other Authors: | , , , , , , , , , , , |
| Format: | Article |
| Language: | eng |
| Source: | Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) |
| Download full: | http://hdl.handle.net/10451/56372 |
Summary: | © 2022 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/) |
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Testing motivational and self-regulatory mechanisms of action on device-measured physical activity in the context of a weight loss maintenance digital intervention: a secondary analysis of the NoHoW trialPhysical activityMotivationSelf-regulationDigital interventionWeight loss maintenanceWeight regain prevention© 2022 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)Background: To date, few digital behavior change interventions for weight loss maintenance focusing on long- term physical activity promotion have used a sound intervention design grounded on a logic model under- pinned by behavior change theories. The current study is a secondary analysis of the weight loss maintenance NoHoW trial and investigated putative mediators of device-measured long-term physical activity levels (six to 12 months) in the context of a digital intervention. Methods: A subsample of 766 participants (Age = 46.2 ± 11.4 years; 69.1% female; original NoHoW sample: 1627 participants) completed all questionnaires on motivational and self-regulatory variables and had all device- measured physical activity data available for zero, six and 12 months. We examined the direct and indirect effects of Virtual Care Climate on post intervention changes in moderate-to-vigorous physical activity and number of steps (six to 12 months) through changes in the theory-driven motivational and self-regulatory mechanisms of action during the intervention period (zero to six months), as conceptualized in the logic model. Results: Model 1 tested the mediation processes on Steps and presented a poor fit to the data. Model 2 tested mediation processes on moderate-to-vigorous physical activity and presented poor fit to the data. Simplified models were also tested considering the autonomous motivation and the controlled motivation variables inde- pendently. These changes yielded good results and both models presented very good fit to the data for both outcome variables. Percentage of explained variance was negligible for all models. No direct or indirect effects were found from Virtual Care Climate to long term change in outcomes. Indirect effects occurred only between the sequential paths of the theory-driven mediators. Conclusion: This was one of the first attempts to test a serial mediation model considering psychological mechanisms of change and device-measured physical activity in a 12-month longitudinal trial. The model explained a small proportion of variance in post intervention changes in physical activity. We found different pathways of influence on theory-driven motivational and self-regulatory mechanisms but limited evidence that these constructs impacted on actual behavior change. New approaches to test these relationships are needed. Challenges and several alternatives are discussed.This project has received funding from the European Union’s Horizon 2020 research and innovation program under grant agreement No 643309.ElsevierRepositório da Universidade de LisboaEncantado, JorgeMarques, Marta M.Gouveia, Maria JoãoSantos, InêsSánchez-Oliva, DavidO’Driscoll, RuairiTuricchi, JakeLarsen, Sofus C.Horgan, GrahamTeixeira, Pedro J.Stubbs, R. JamesHeitmann, Berit LilienthalPalmeira, António L.2023-02-17T14:26:31Z20232023-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10451/56372engEncantado, J., et al. (2023). Psychology of Sport and Exercise, 64, [102314]1469-029210.1016/j.psychsport.2022.1023141878-5476info:eu-repo/semantics/openAccessreponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiainstacron:RCAAP2025-03-17T14:54:04Zoai:repositorio.ulisboa.pt:10451/56372Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireinfo@rcaap.ptopendoar:https://opendoar.ac.uk/repository/71602025-05-29T03:28:12.011423Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiafalse |
| dc.title.none.fl_str_mv |
Testing motivational and self-regulatory mechanisms of action on device-measured physical activity in the context of a weight loss maintenance digital intervention: a secondary analysis of the NoHoW trial |
| title |
Testing motivational and self-regulatory mechanisms of action on device-measured physical activity in the context of a weight loss maintenance digital intervention: a secondary analysis of the NoHoW trial |
| spellingShingle |
Testing motivational and self-regulatory mechanisms of action on device-measured physical activity in the context of a weight loss maintenance digital intervention: a secondary analysis of the NoHoW trial Encantado, Jorge Physical activity Motivation Self-regulation Digital intervention Weight loss maintenance Weight regain prevention |
| title_short |
Testing motivational and self-regulatory mechanisms of action on device-measured physical activity in the context of a weight loss maintenance digital intervention: a secondary analysis of the NoHoW trial |
| title_full |
Testing motivational and self-regulatory mechanisms of action on device-measured physical activity in the context of a weight loss maintenance digital intervention: a secondary analysis of the NoHoW trial |
| title_fullStr |
Testing motivational and self-regulatory mechanisms of action on device-measured physical activity in the context of a weight loss maintenance digital intervention: a secondary analysis of the NoHoW trial |
| title_full_unstemmed |
Testing motivational and self-regulatory mechanisms of action on device-measured physical activity in the context of a weight loss maintenance digital intervention: a secondary analysis of the NoHoW trial |
| title_sort |
Testing motivational and self-regulatory mechanisms of action on device-measured physical activity in the context of a weight loss maintenance digital intervention: a secondary analysis of the NoHoW trial |
| author |
Encantado, Jorge |
| author_facet |
Encantado, Jorge Marques, Marta M. Gouveia, Maria João Santos, Inês Sánchez-Oliva, David O’Driscoll, Ruairi Turicchi, Jake Larsen, Sofus C. Horgan, Graham Teixeira, Pedro J. Stubbs, R. James Heitmann, Berit Lilienthal Palmeira, António L. |
| author_role |
author |
| author2 |
Marques, Marta M. Gouveia, Maria João Santos, Inês Sánchez-Oliva, David O’Driscoll, Ruairi Turicchi, Jake Larsen, Sofus C. Horgan, Graham Teixeira, Pedro J. Stubbs, R. James Heitmann, Berit Lilienthal Palmeira, António L. |
| author2_role |
author author author author author author author author author author author author |
| dc.contributor.none.fl_str_mv |
Repositório da Universidade de Lisboa |
| dc.contributor.author.fl_str_mv |
Encantado, Jorge Marques, Marta M. Gouveia, Maria João Santos, Inês Sánchez-Oliva, David O’Driscoll, Ruairi Turicchi, Jake Larsen, Sofus C. Horgan, Graham Teixeira, Pedro J. Stubbs, R. James Heitmann, Berit Lilienthal Palmeira, António L. |
| dc.subject.por.fl_str_mv |
Physical activity Motivation Self-regulation Digital intervention Weight loss maintenance Weight regain prevention |
| topic |
Physical activity Motivation Self-regulation Digital intervention Weight loss maintenance Weight regain prevention |
| description |
© 2022 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/) |
| publishDate |
2023 |
| dc.date.none.fl_str_mv |
2023-02-17T14:26:31Z 2023 2023-01-01T00:00:00Z |
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info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/article |
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article |
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publishedVersion |
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http://hdl.handle.net/10451/56372 |
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http://hdl.handle.net/10451/56372 |
| dc.language.iso.fl_str_mv |
eng |
| language |
eng |
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Encantado, J., et al. (2023). Psychology of Sport and Exercise, 64, [102314] 1469-0292 10.1016/j.psychsport.2022.102314 1878-5476 |
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info:eu-repo/semantics/openAccess |
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openAccess |
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application/pdf |
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Elsevier |
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Elsevier |
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