NCT Number: NCT07745231
Overweight and obesity are major public health problems associated with increased morbidity and mortality. Motivational interviewing is a patient-centered counseling approach that may improve lifestyle behaviors and weight management. This randomized controlled trial aims to evaluate the effect of motivational interviewing on anthropometric measurements, eHealth literacy, and healthy eating attitudes among overweight and obese adults attending Healthy Life Centers in Sakarya, Türkiye. Participants will be randomly assigned to either a motivational interviewing intervention group or a routine nutrition counseling control group. Outcomes will be assessed at baseline and after the intervention.
Trial opening soon.
Get Notified18 year and older
All sexes
Interventional
Not applicable
Adapazarı Healthy Life Center, Sakarya, Adapazarı, Turkey (Türkiye)
Overweight and obesity are increasing worldwide and contribute substantially to chronic diseases, reduced quality of life, and healthcare costs. Although lifestyle modification remains the cornerstone of obesity management, long-term adherence to healthy eating and physical activity recommendations remains challenging. Motivational interviewing is an evidence-based behavioral counseling method designed to strengthen an individual's motivation and commitment to behavior change.
This study is a single-blind, parallel-group, randomized controlled trial conducted in Healthy Life Centers affiliated with the Sakarya Provincial Health Directorate in Türkiye. Eligible adults with overweight or obesity will be randomly allocated to either an intervention group receiving four structured motivational interviewing sessions in addition to routine nutrition counseling or a control group receiving routine nutrition counseling alone.
Anthropometric measurements, including body weight, height, body mass index, waist circumference, hip circumference, and waist-to-hip ratio, will be collected. Participants will also complete the eHealth Literacy Scale (eHEALS) and the Healthy Eating Attitude Scale before and after the intervention.
The primary objective is to determine whether motivational interviewing improves anthropometric outcomes compared with routine care. Secondary objectives include evaluating changes in eHealth literacy and healthy eating attitudes. Findings from this study may contribute to the development of evidence-based behavioral interventions for overweight and obesity management in primary healthcare settings.
Healthy volunteers accepted: No
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Exclusion criteria
Participants will receive four structured motivational interviewing sessions in addition to routine nutrition counseling. The first and fourth sessions will be delivered face-to-face, while the second and third sessions will be conducted by telephone or online. The intervention is based on motivational interviewing principles and aims to improve healthy eating behaviors, eHealth literacy, and anthropometric outcomes among overweight and obese adults.
Participants will receive routine nutrition counseling provided by Healthy Life Centers according to standard clinical practice without motivational interviewing.
Time frame: Baseline and 12 weeks
Body weight (kg) will be measured at baseline and after completion of the 12-week intervention using standardized anthropometric procedures. The primary outcome is the change in body weight from baseline to post-intervention.
Time frame: Baseline and 12 weeks
Body mass index will be calculated as weight in kilograms divided by height in meters squared.
Time frame: Baseline and 12 weeks
Waist circumference will be measured using standardized anthropometric techniques.
Time frame: Baseline and 12 weeks
Waist-to-hip ratio will be calculated from waist and hip circumference measurements.
Time frame: Baseline and 12 weeks
eHealth literacy will be assessed using the Turkish version of the eHealth Literacy Scale (eHEALS).
Time frame: Baseline and 12 weeks
Healthy nutrition attitudes will be evaluated using the Healthy Nutrition Attitude Scale (SBITO).
Contact information is provided by the study sponsor or research team.
Sakarya University
Other
Effect of Motivational Interviewing on Anthropometric Measurements, eHealth Literacy, and Healthy Eating Attitudes Among Overweight and Obese Adults Attending Healthy Life Centers: A Randomized Controlled Trial
Acronym: MI-HLC
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