Online Acceptance and Commitment Therapy-Based Physical Literacy Program for Socioeconomically Disadvantaged Women Living With Overweight

September 9, 2026 updated by: Navid Reha

Effects of a Brief Online Acceptance and Commitment Therapy-Based Physical Literacy Program in Socioeconomically Disadvantaged Women Living With Overweight: A Randomized Controlled Trial

This two-group, parallel, individually randomized controlled trial will evaluate a brief, live, online Acceptance and Commitment Therapy (ACT)-based physical literacy program among 60 socioeconomically disadvantaged adult women living with overweight. Participants will be randomized in a 1:1 ratio to either the intervention group or a waitlist control group.

The intervention consists of six weekly approximately 60-minute online group sessions integrating the six ACT processes with adult physical literacy education, guided movement, and graded home-based exercise snacks, followed by an independent-practice week and an approximately 60-minute booster session. Assessments will be conducted at baseline, immediately before the booster following completion of the six core sessions, and at post-booster follow-up. The study will compare changes between the intervention and waitlist control groups over the study period.

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Estimated)

60

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  • Eligibility required: (a) age 18 to 64 years old; (b) residence in Gümüşpala, Avcılar, Istanbul; (c) BMI of 25.0-29.9 kg/m²; (d) annual equivalized net disposable household income below TRY 144,690, the 60%-of-median threshold in the 2025 Turkish Statistical Institute poverty statistics, based on the 2024 income reference period (Turkish Statistical Institute, 2025); (e) no completion of high school (ISCED Levels 0-2; UNESCO Institute for Statistics, 2012); (f) ability to read and understand Turkish; (g) access to a smartphone, WhatsApp, and the internet; (h) willingness to complete all assessments; and (i) written informed consent.

Exclusion Criteria:

  • pregnancy or childbirth within the previous six months; a medical or musculoskeletal condition, or professional advice, precluding or substantially restricting physical activity; concurrent participation in another structured weight-management, physical-activity, or psychological intervention; a cognitive or psychiatric condition substantially limiting comprehension or informed consent; or inability to complete study assessments.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Other
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
No Intervention: Waitlist Control
Experimental: ACT-Based Physical Literacy Program
Behavioral: ACT-Based Physical Literacy Program
Participants receive the live online ACT-based physical literacy program consisting of six weekly approximately 60-minute group sessions, an independent-practice week, and an approximately 60-minute booster session.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Change From Baseline in Physical Literacy Scale for Adults (PLAS) Total Score
Time Frame: Baseline, Week 7 (post-core/pre-booster), and Week 11 (4-week post-booster follow-up)
Baseline, Week 7 (post-core/pre-booster), and Week 11 (4-week post-booster follow-up)

Secondary Outcome Measures

Outcome Measure
Time Frame
Change From Baseline in PERMA-Profiler Overall Well-Being Score
Time Frame: Baseline, Week 7 (post-core/pre-booster), and Week 11 (4-week post-booster follow-up)
Baseline, Week 7 (post-core/pre-booster), and Week 11 (4-week post-booster follow-up)
Change From Baseline in Psy-Flex Scale Score
Time Frame: Baseline, Week 7 (post-core/pre-booster), and Week 11 (4-week post-booster follow-up)
Baseline, Week 7 (post-core/pre-booster), and Week 11 (4-week post-booster follow-up)
Change From Baseline in Total Physical Activity Measured by the Global Physical Activity Questionnaire (GPAQ)
Time Frame: Baseline, Week 7 (post-core/pre-booster), and Week 11 (4-week post-booster follow-up)
Baseline, Week 7 (post-core/pre-booster), and Week 11 (4-week post-booster follow-up)
Change From Baseline in Body Mass Index (BMI)
Time Frame: Baseline, Week 7 (post-core/pre-booster), and Week 11 (4-week post-booster follow-up)
Baseline, Week 7 (post-core/pre-booster), and Week 11 (4-week post-booster follow-up)
Change From Baseline in Waist Circumference
Time Frame: Baseline, Week 7 (post-core/pre-booster), and Week 11 (4-week post-booster follow-up)
Baseline, Week 7 (post-core/pre-booster), and Week 11 (4-week post-booster follow-up)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Navid Reha

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

September 10, 2026

Primary Completion (Estimated)

December 10, 2026

Study Completion (Estimated)

December 10, 2026

Study Registration Dates

First Submitted

September 9, 2026

First Submitted That Met QC Criteria

September 9, 2026

First Posted (Actual)

September 14, 2026

Study Record Updates

Last Update Posted (Actual)

September 14, 2026

Last Update Submitted That Met QC Criteria

September 9, 2026

Last Verified

September 1, 2026

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 2026/08

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

IPD Plan Description

Individual participant data are not planned to be shared.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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