Impact of a Weight Management Intervention on Eating Competence

Importance of Measurement Interval in Protocol Design

Barbara Lohse, Jodi Stotts Krall, Tricia Psota, Penny Margaret Kris-Etherton

Research output: Contribution to journalArticle

Abstract

Purpose: To examine changes in eating competence (EC) in 12-month weight loss intervention. Design: Randomized, parallel-arm with weight loss phase (baseline to month 4) and weight-maintenance phase (months 4-12). Setting: Face-to-face in University classrooms, supervised and self-directed fitness sessions at University fitness center, and home. Participants: Premenopausal, mostly college-educated Pennsylvania women, body mass index >25 (n = 101). Intervention: Twenty-eight, 1-hour classes tailored for extremes of the Dietary Guidelines’ fat recommendations, based on social cognitive theory, problem-based learning delivery over 12 months. Exercise component included supervised and self-directed stretching, aerobics, and strength training. Measures: Anthropometrics, lipid profile, blood pressure, 24-hour dietary recalls, cognitive behavioral measures, Satter Eating Competence Inventory (ecSI). Analysis: General linear model repeated measures analysis of variance for outcome variables. Results: A total of 40% (n = 40) completed the ecSI. Overall, education and supervised exercise session attendance were 77% and 88%, respectively. Similar weight loss for lower and moderate fat groups (6.7 kg and 5.4 kg). The EC was unchanged baseline to month 4 but increased significantly from months 4 to 12, baseline to month 12 for both groups. The EC change baseline to month 12 was inversely associated with weight change from baseline to months 4 and 12. Conclusion: Weight management interventions, likely to introduce concerns with eating attitudes, behaviors, and foods, can reduce EC. Short-term measurement of EC change captures these consequent adjustments without opportunity to regain self-efficacy. Extending the measurement interval better reflects intervention impact on EC.

Original languageEnglish (US)
Pages (from-to)718-728
Number of pages11
JournalAmerican Journal of Health Promotion
Volume32
Issue number3
DOIs
StatePublished - Mar 1 2018

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eating behavior
Mental Competency
Eating
Weights and Measures
management
Weight Loss
fitness
Fitness Centers
Exercise
Social Adjustment
Nutrition Policy
Problem-Based Learning
Resistance Training
Dietary Fats
Feeding Behavior
Self Efficacy
cognitive theory
linear model
analysis of variance
Linear Models

All Science Journal Classification (ASJC) codes

  • Health(social science)
  • Public Health, Environmental and Occupational Health

Cite this

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abstract = "Purpose: To examine changes in eating competence (EC) in 12-month weight loss intervention. Design: Randomized, parallel-arm with weight loss phase (baseline to month 4) and weight-maintenance phase (months 4-12). Setting: Face-to-face in University classrooms, supervised and self-directed fitness sessions at University fitness center, and home. Participants: Premenopausal, mostly college-educated Pennsylvania women, body mass index >25 (n = 101). Intervention: Twenty-eight, 1-hour classes tailored for extremes of the Dietary Guidelines’ fat recommendations, based on social cognitive theory, problem-based learning delivery over 12 months. Exercise component included supervised and self-directed stretching, aerobics, and strength training. Measures: Anthropometrics, lipid profile, blood pressure, 24-hour dietary recalls, cognitive behavioral measures, Satter Eating Competence Inventory (ecSI). Analysis: General linear model repeated measures analysis of variance for outcome variables. Results: A total of 40{\%} (n = 40) completed the ecSI. Overall, education and supervised exercise session attendance were 77{\%} and 88{\%}, respectively. Similar weight loss for lower and moderate fat groups (6.7 kg and 5.4 kg). The EC was unchanged baseline to month 4 but increased significantly from months 4 to 12, baseline to month 12 for both groups. The EC change baseline to month 12 was inversely associated with weight change from baseline to months 4 and 12. Conclusion: Weight management interventions, likely to introduce concerns with eating attitudes, behaviors, and foods, can reduce EC. Short-term measurement of EC change captures these consequent adjustments without opportunity to regain self-efficacy. Extending the measurement interval better reflects intervention impact on EC.",
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Impact of a Weight Management Intervention on Eating Competence : Importance of Measurement Interval in Protocol Design. / Lohse, Barbara; Krall, Jodi Stotts; Psota, Tricia; Kris-Etherton, Penny Margaret.

In: American Journal of Health Promotion, Vol. 32, No. 3, 01.03.2018, p. 718-728.

Research output: Contribution to journalArticle

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