Motivational profiles and change in physical activity during a weight loss intervention: a secondary data analysis

Abstract Background High levels of moderate-to-vigorous intensity physical activity (MVPA) are strongly associated with sustained weight loss, however the majority of adults are unsuccessful in maintaining high levels of MVPA long-term. Our goal was to identify profiles based on exercise motives, an...

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Autores principales:	Danielle M. Ostendorf, Sarah J. Schmiege, David E. Conroy, Suzanne Phelan, Angela D. Bryan, Victoria A. Catenacci
Formato:	article
Lenguaje:	EN
Publicado:	BMC 2021
Materias:	Motivation Exercise Weight loss Obesity Latent profile analysis Nutritional diseases. Deficiency diseases RC620-627 Public aspects of medicine RA1-1270
Acceso en línea:	https://doaj.org/article/b593ac2e5f7a4bbc9416721606a0abad
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spelling	oai:doaj.org-article:b593ac2e5f7a4bbc9416721606a0abad2021-12-05T12:26:22ZMotivational profiles and change in physical activity during a weight loss intervention: a secondary data analysis10.1186/s12966-021-01225-51479-5868https://doaj.org/article/b593ac2e5f7a4bbc9416721606a0abad2021-12-01T00:00:00Zhttps://doi.org/10.1186/s12966-021-01225-5https://doaj.org/toc/1479-5868Abstract Background High levels of moderate-to-vigorous intensity physical activity (MVPA) are strongly associated with sustained weight loss, however the majority of adults are unsuccessful in maintaining high levels of MVPA long-term. Our goal was to identify profiles based on exercise motives, and examine the association between motivational profile and longitudinal changes in MVPA during a weight loss intervention. Methods Adults with overweight or obesity (n = 169, mean ± SE; age 39 ± 0.7 years, BMI 34.4 ± 0.3 kg/m2, 83% female) underwent an 18-month behavioral weight loss program, including 6 months of supervised exercise, followed by 6 months of unsupervised exercise. Participants self-reported behavioral regulations for exercise at baseline (BREQ-2). Latent profile analysis identified subgroups from external, introjected, identified, and intrinsic regulations measured at baseline. Mean differences in device-measured total MVPA were compared across motivational profiles at baseline, after 6 months of supervised exercise and after a subsequent 6 months of unsupervised exercise. Results Three motivational profiles emerged: high autonomous (high identified and intrinsic, low external regulations; n = 52), high combined (high scores on all exercise regulations; n = 25), and moderate combined (moderate scores on all exercise regulations; n = 92). Motivational profile was not associated with baseline level of MVPA or the increase in MVPA over the 6-month supervised exercise intervention (high autonomous: 21 ± 6 min/d; high combined: 20 ± 9 min/d; moderate combined: 33 ± 5 min/d; overall P > 0.05). However, during the transition from supervised to unsupervised exercise, MVPA decreased, on average, within all three profiles, but the high autonomous profile demonstrated the least attenuation in MVPA (− 3 ± 6 min/d) compared to the moderate combined profile (− 20 ± 5 min/d; P = 0.043). Conclusions Results were in alignment with the Self-Determination Theory. Adults motivated by autonomous reasons (value benefits of exercise, intrinsic enjoyment) may be more likely to sustain increases in MVPA once support is removed, whereas participants with moderate-to-high scores on all types of exercise regulations may need additional long-term support in order to sustain initial increases in MVPA. Clinical trial registration NCT01985568. Registered 24 October 2013.Danielle M. OstendorfSarah J. SchmiegeDavid E. ConroySuzanne PhelanAngela D. BryanVictoria A. CatenacciBMCarticleMotivationExerciseWeight lossObesityLatent profile analysisNutritional diseases. Deficiency diseasesRC620-627Public aspects of medicineRA1-1270ENInternational Journal of Behavioral Nutrition and Physical Activity, Vol 18, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Motivation Exercise Weight loss Obesity Latent profile analysis Nutritional diseases. Deficiency diseases RC620-627 Public aspects of medicine RA1-1270
spellingShingle	Motivation Exercise Weight loss Obesity Latent profile analysis Nutritional diseases. Deficiency diseases RC620-627 Public aspects of medicine RA1-1270 Danielle M. Ostendorf Sarah J. Schmiege David E. Conroy Suzanne Phelan Angela D. Bryan Victoria A. Catenacci Motivational profiles and change in physical activity during a weight loss intervention: a secondary data analysis
description	Abstract Background High levels of moderate-to-vigorous intensity physical activity (MVPA) are strongly associated with sustained weight loss, however the majority of adults are unsuccessful in maintaining high levels of MVPA long-term. Our goal was to identify profiles based on exercise motives, and examine the association between motivational profile and longitudinal changes in MVPA during a weight loss intervention. Methods Adults with overweight or obesity (n = 169, mean ± SE; age 39 ± 0.7 years, BMI 34.4 ± 0.3 kg/m2, 83% female) underwent an 18-month behavioral weight loss program, including 6 months of supervised exercise, followed by 6 months of unsupervised exercise. Participants self-reported behavioral regulations for exercise at baseline (BREQ-2). Latent profile analysis identified subgroups from external, introjected, identified, and intrinsic regulations measured at baseline. Mean differences in device-measured total MVPA were compared across motivational profiles at baseline, after 6 months of supervised exercise and after a subsequent 6 months of unsupervised exercise. Results Three motivational profiles emerged: high autonomous (high identified and intrinsic, low external regulations; n = 52), high combined (high scores on all exercise regulations; n = 25), and moderate combined (moderate scores on all exercise regulations; n = 92). Motivational profile was not associated with baseline level of MVPA or the increase in MVPA over the 6-month supervised exercise intervention (high autonomous: 21 ± 6 min/d; high combined: 20 ± 9 min/d; moderate combined: 33 ± 5 min/d; overall P > 0.05). However, during the transition from supervised to unsupervised exercise, MVPA decreased, on average, within all three profiles, but the high autonomous profile demonstrated the least attenuation in MVPA (− 3 ± 6 min/d) compared to the moderate combined profile (− 20 ± 5 min/d; P = 0.043). Conclusions Results were in alignment with the Self-Determination Theory. Adults motivated by autonomous reasons (value benefits of exercise, intrinsic enjoyment) may be more likely to sustain increases in MVPA once support is removed, whereas participants with moderate-to-high scores on all types of exercise regulations may need additional long-term support in order to sustain initial increases in MVPA. Clinical trial registration NCT01985568. Registered 24 October 2013.
format	article
author	Danielle M. Ostendorf Sarah J. Schmiege David E. Conroy Suzanne Phelan Angela D. Bryan Victoria A. Catenacci
author_facet	Danielle M. Ostendorf Sarah J. Schmiege David E. Conroy Suzanne Phelan Angela D. Bryan Victoria A. Catenacci
author_sort	Danielle M. Ostendorf
title	Motivational profiles and change in physical activity during a weight loss intervention: a secondary data analysis
title_short	Motivational profiles and change in physical activity during a weight loss intervention: a secondary data analysis
title_full	Motivational profiles and change in physical activity during a weight loss intervention: a secondary data analysis
title_fullStr	Motivational profiles and change in physical activity during a weight loss intervention: a secondary data analysis
title_full_unstemmed	Motivational profiles and change in physical activity during a weight loss intervention: a secondary data analysis
title_sort	motivational profiles and change in physical activity during a weight loss intervention: a secondary data analysis
publisher	BMC
publishDate	2021
url	https://doaj.org/article/b593ac2e5f7a4bbc9416721606a0abad
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Motivational profiles and change in physical activity during a weight loss intervention: a secondary data analysis

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