Improving the Experience of Exercise Among Individuals With Internalized Weight Bias Using Acceptance-based Strategies

  • STATUS
    Recruiting
  • days left to enroll
    61
  • participants needed
    56
  • sponsor
    The Miriam Hospital
Updated on 23 November 2021
Accepts healthy volunteers

Summary

The goal of this study is to test whether an acceptance based intervention can modify the relationship between heart rate and perceived exertion/negative during physical activity among individuals who have a high degree of internalized weight bias.

Description

In this two-phase pilot, we will first test in a controlled setting whether an acceptance-based intervention can modify the relationship between Heart Rate and perceived exertion/negative affect during moderate intensity physical activity among individuals high in internalized weight bias (Phase 1) and then evaluate these mechanisms in real-time during uptake of a two-week physical activity prescription (Phase 2). Using a 2x2 factorial design, we will randomize individuals with Body Mass Index (BMI) 25, high and low internalized weight bias, and insufficient activity (<60 min of moderate physical activity/week) to receive a 90-minute acceptance-based intervention workshop versus a multi-health behavior education condition prior to completing a 30-minute session of supervised, moderate intensity treadmill walking. Heart rate, self-reported perceived exertion and affect will be assessed throughout physical activity.

For Phase 2, all participants from Phase 1 will receive a two-week physical activity prescription consistent with National Guidelines (150 minutes moderate intensity aerobic physical activity, recommended in 30-minute bouts) to determine the effect of treatment condition on subsequent adherence to physical activity. Physical activity adherence will be monitored with Actigraphy and Ecological Momentary Assessment (repeated daily surveys via smartphone) will be used to evaluate participant self-efficacy, intention, motivation for physical activity in near real-time.

Details
Condition Overweight and Obesity
Treatment Acceptance and Commitment, Multi-Health Behavior
Clinical Study IdentifierNCT05119504
SponsorThe Miriam Hospital
Last Modified on23 November 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

-60 years old
BMI 25-40 kg/m2
insufficiently active (<60 minutes of moderate intensity activity per week)
High/low internalized weight bias
Access to personal smartphone device and willing to download free smartphone app for data collection

Exclusion Criteria

Comorbid issues that might interfere with ability to engage in physical activity
Factors that would influence ability to complete study protocol (e.g., cognitive, psychological)
medication that would affect heart rate (e.g., beta blocker)
women who are nursing or pregnant
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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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