WW Improving Nutrition Study: A Randomized Controlled Trial (WINS)
Overweight and Obesity
About this trial
This is an interventional treatment trial for Overweight and Obesity focused on measuring behavioral weight management, digital health, diet quality
Eligibility Criteria
Inclusion Criteria: Self-reported desire to lose weight English proficiency Ages: 18 - 70 years old BMI between 27-45 kg/m2 Owns a smartphone with a camera Wi-Fi connectivity at home Willing to follow recommendations required by study protocol Willing to actively participate in a behavioral weight loss program for 6 months and to attend virtual workshop meetings Willing to include demographic information (e.g., ethnicity, income, and education) US residence (48 contiguous States) Must be able to receive in the mail a weight scale. Exclusion Criteria: Pregnant, lactating, or plans to become pregnant during study period Self-reported bipolar disorder, substance abuse, psychosis, bulimia. Meets criteria for severe depression on the Patient Health Questionnaire-8 (PHQ-8) (score of >20) All other mental health, including other eating disorders will be assessed using a self-report question on the initial screening survey. Had bariatric surgery or plans to have any surgery during the study Unable or not willing to make dietary changes or increase physical activity Unable to walk ¼ mile unaided without stopping Daily nicotine user: smoke, vape, tobacco, other Participants that are currently trying to lose weight via a structured weight-loss program (e.g., at a medical center, university, commercial programs) Participants who were a member of WW within the past 12 months Participants who are involved in any other research studies at this time Weight loss of ≥ 5 kg (11 lb) in the previous 6 months Reported health problems that make weight loss or unsupervised exercise unsafe or unreasonable (e.g., chronic pain, orthopedic limitations, heart problems) Untreated thyroid disease or any changes (type or dose) in thyroid medication in last 6 months Taking any prescription medication with known effects on appetite or weight (e.g., oral steroids, weight loss medications such as Qysmia, Contrave, Phentermine (Adipex-P, Lomaira) and others except for subjects on a stable dose of Selective serotonin reuptake inhibitors (SSRIs) for 6 months or longer Chronic/inflammatory gastrointestinal disorders (irritable bowel syndrome is acceptable) History of heart problems (e.g., angina, bypass surgery, myocardial infarction, etc.) within previous 6 months Diagnosis of type 1 or type 2 diabetes Major surgery within the previous 6 months Presence of implanted cardiac defibrillator or pacemaker History of cancer within past 5 years or current treatment for cancer Hospitalization for psychiatric disorders during the past 12 months
Sites / Locations
- Georgia Southern University
Arms of the Study
Arm 1
Arm 2
Experimental
Placebo Comparator
Access to WW app for 6 months
Control
Participants will be randomized to access the WW application for 6 months
Participants will be randomized to receive emails with information available from myplate.gov