Cited by 50Behavioral Health and InterventionsMotivation and Self-Concept in SportsObesity and Health Practices

The effect of a motivational intervention on weight loss is moderated by level of baseline controlled motivation

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Webber, Kelly H, Gabriele, Jeanne M, Tate, Deborah F, Dignan, Mark B·2010·International Journal of Behavioral Nutrition and Physical Activity

Abstract

BACKGROUND: Clinic-based behavioral weight loss programs are effective in producing significant weight loss. A one-size-fits-all approach is often taken with these programs. It may be beneficial to tailor programs based on participants' baseline characteristics. Type and level of motivation may be an important factor to consider. Previous research has found that, in general, higher levels of controlled motivation are detrimental to behavior change while higher levels of autonomous motivation improve the likelihood of behavior modification. METHODS: This study assessed the outcomes of two internet behavioral weight loss interventions and assessed the effect of baseline motivation levels on program success. Eighty females (M (SD) age 48.7 (10.6) years; BMI 32.0 (3.7) kg/m(2); 91% Caucasian) were randomized to one of two groups, a standard group or a motivation-enhanced group. Both received a 16-week internet behavioral weight loss program and attended an initial and a four-week group session. Weight and motivation were measured at baseline, four and 16 weeks. Hierarchical regression analysis was conducted to test for moderation. RESULTS: There was significant weight loss at 16-weeks in both groups (p < 0.001); however there were no between group differences (p = 0.57) (standard group 3.4 (3.6) kg; motivation-enhanced group 3.9 (3.4) kg). Further analysis was conducted to examine predictors of weight loss. Baseline controlled motivation level was negatively correlated with weight loss in the entire sample (r = -0.30; p = 0.01). Statistical analysis revealed an interaction between study group assignment and baseline level of controlled motivation. Weight loss was not predicted by baseline level of controlled motivation in the motivation-enhanced group, but was significantly predicted by controlled motivation in the standard group. Baseline autonomous motivation did not predict weight change in either group. CONCLUSIONS: This research found that, in participants with high levels of baseline controlled motivation for weight loss, an intervention designed to enhance motivation for weight loss produced significantly greater weight loss than a standard behavioral weight loss intervention.

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  1. Webber KH Tate DF Ward DS Bowling JM Motivation and its relationship to adherence to self-monitoring and weight loss in a 16-week Internet behavioral weight loss intervention J Nutr Educ Behav 2009 in press 20138583

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Authors
Webber, K. H., Gabriele, J. M., Tate, D. F., & Dignan, M. B.
Affiliations
  • University of Kentucky (US)
  • G.V. (Sonny) Montgomery VA Medical Center (US)
  • University of North Carolina at Chapel Hill (US)
Corresponding author
Webber, Kelly H
Venue
International Journal of Behavioral Nutrition and Physical Activity
Published
2010
Volume
7
Issue
1
Pages
4
ISSN
1479-5868 (ISSN-L)
OpenAlex
W2107015811
Cited by
50
References
53
Citations by year
2025: 1 · 2024: 2 · 2023: 2 · 2022: 2 · 2021: 3 · 2020: 2 · 2019: 2 · 2018: 5 · 2017: 9 · 2016: 3 · 2015: 3 · 2014: 1 · 2013: 3 · 2012: 5
FWCI
7.23
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • International Journal of Behavioral Nutrition and Physical Activity (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion, cc-by)
  • UKnowledge (University of Kentucky) (submittedVersion, cc-by)
  • Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • UNC Libraries
Funders
University of Kentucky
Topics
  • Social Sciences › Psychology › Applied Psychology › Behavioral Health and Interventions
  • Social Sciences › Psychology › Social Psychology › Motivation and Self-Concept in Sports
  • Health Sciences › Health Professions › Pharmacy › Obesity and Health Practices
Keywords
weight loss, controlled motivation, autonomous motivation, obesity, predictors of weight loss, women

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