What is it about?
The measurement properties for the Brief Weight-Loss-Related Behavior Self-Efficacy scales are supported among adults with prediabetes. The scales performed as expected, reflecting three first order factors for physical activity self-efficacy, healthful eating self-efficacy, and weight-loss self-efficacy. Measurement invariance was also supported for demographic subgroups according to age, gender, and BMI status.
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Why is it important?
Psychometric assessments of factorial validity and measurement invariance are important steps in supporting the validity of scale scores. This is the first assessment of these scales in a sample of adults with prediabetes. Earlier support lends the survey to use in adults with overweight and obesity.
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This page is a summary of: Psychometric assessment of the Brief Weight-Loss-Related Behavior Self-Efficacy Survey in adults with prediabetes., Psychological Assessment, November 2021, American Psychological Association (APA), DOI: 10.1037/pas0001058.
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Brief self-efficacy scales for use in weight-loss trials: Preliminary evidence of validity
Wilson, K. E., Harden, S. M., Almeida, F. A., You, W., Hill, J. L., Goessl, C., & Estabrooks, P. A. (2016). Brief self-efficacy scales for use in weight-loss trials: Preliminary evidence of validity. Psychological Assessment, 28(10), 1255-1264. https://doi.org/10.1037/pas0000249
Psychometric assessment of the brief weight-loss related behavior self-efficacy survey among people with prediabetes
Wilson, KE, Michaud, T, Brito, F, Dressler, E, Katula, JA, Castro Sweet, CM, Almeida, FA, & Estabrooks, PA (2021) Psychometric assessment of the brief weight-loss related behavior self-efficacy survey among people with prediabetes. Annals of Behavioral Medicine, 55(Suppl); S380.
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