Exercise Values of Life and Vitality Everyday

Age Range:21 - 65
Start Date:April 1, 2018
End Date:August 2019
Contact:Jason Lillis, Ph.D.

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A Novel Behavioral Approach for the Adoption and Maintenance of Habitual Physical Activity

The purpose of this study is to develop and test a brief program to help overweight people
become more physically active. We plan to design a program that teaches people how to become
more active by identifying how fitness enables them to live their lives better.

Participants will be asked to complete questionnaires and wear a device that tracks their
exercise for 1 week. If accepted into the study, they will receive a 1 day program designed
to help them exercise more. Then they will receive phone calls and emails for support after
the program. Finally, participants will come in 3 and 6 months after the program to complete
the same questionnaires and wear the exercise tracker again.

The study is primarily interested in increasing exercise levels, and so we hope to see
participants exercising more after the program than they were before. We will also ask them
questions (via the questionnaires) that tell us the degree to which they are exercising based
on their one desires and values, as opposed to doing it because they were told to.

Despite the importance of adoption and maintenance of habitual moderate to vigorous-intensity
physical activity (MVPA) for health benefits and long-term weight management, current
comprehensive lifestyle interventions place little emphasis on physical activity behavior
change strategies and have only modest impact on MVPA. Acceptance and Commitment Therapy
(ACT), a well validated, newer generation behavioral approach uses values of clarification
and commitment strategies, along with acceptance-based skills training, to effect health
behavior change that is consistent with personally identified values. ACT presents a
theoretically consistent and potentially powerful intervention framework from which to target
values-based autonomous motivation and increase MVPA. The overall aim of this study is to
test the feasibility, acceptability, and preliminary efficacy of an ACT-based workshop
intervention for increasing bout-related MVPA for overweight and obese, insufficiently active
adults using a single-arm design. We will recruit 48 overweight/obese, insufficiently active
adults across multiple cohorts and provide them with a 4-hour, ACT-based workshop followed by
weekly emails and monthly phone calls for 3 months. The primary goal of the workshop is to
use values clarification and acceptance-based skills training to increase values-based
autonomous motivation and bout-related MVPA. Participants will self-monitor and report on
progress via weekly emails and monthly phone calls. Assessments will be at baseline, 3, and 6
months. The goal of this study is threefold: 1) to determine the feasibility and
acceptability of the ACT workshop intervention by assessing the completion of the
intervention at all time points and via questionnaires; 2) to show changes in autonomous
motivation and values-consistent behavior at the end of the intervention; and 3) to show
changes in physical activity, by use of an objectively measured physical activity devices,
where participants are engaging in at least 200 minutes of bout-related MVPA at the study
endpoint (6-months)

This study will be conducted at the Miriam Hospital Weight Control and Diabetes Research
Center by Drs. Jason Lillis and Dale Bond.

Inclusion Criteria:

- Body mass index (BMI) between 25-45 kg/m2

- Report being insufficiently active (i.e., <150 minutes per week of bout related MVPA)

Exclusion Criteria:

- Unable to engage in physical activity safely due to medical status

- Unable to read or understand study materials

- Currently in another physical activity or weight control program

- Currently taking medications that cause dizziness or feeling faint while standing
(e.g., some hypertension medications

- Report any condition that would preclude adherence to the intervention protocol (e.g.,
current or past substance use disorder or psychiatric hospitalization)

- Plans to relocate during the study timeline

- Terminal illness diagnosis
We found this trial at
Providence, Rhode Island 02903
Phone: 401-793-8950
Providence, RI
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