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| ID | Type | Description | Link |
|---|---|---|---|
| U24DK132740 | U.S. NIH Grant/Contract | View source | |
| T32DK064584 | U.S. NIH Grant/Contract | View source |
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| Name | Class |
|---|---|
| National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | NIH |
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The goal of this observational survey pilot study is to learn how 3D visualization tools (i.e., personalized avatars) influence weight loss goals, satisfaction, confidence, and commitment compared to numerical weight outcomes in weight loss-seeking adults.
The main questions it aims to answer are:
Researchers will compare visual (3D avatar-based) weight loss outcomes to numerical (pounds lost) weight loss outcomes to see if visual presentation lowers satisfaction with potential weight loss and alters confidence and commitment.
Participants will:
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Weight Loss-Seeking Adults | Participants are presented with personalized, predictive 3D digital avatars representing their current body shape and projected changes in body shape across increasing levels of weight loss. Avatars are generated using participants' self-reported demographic and anthropometric information. Weight loss outcomes presented visually via avatars are compared within participants to equivalent outcomes presented numerically as body weight (in pounds) to evaluate differences in weight loss satisfaction, confidence, and commitment. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Personalized 3D Body Visualization | Behavioral | Participants are exposed to a structured visualization task in which projected weight loss outcomes are presented in two formats. Outcomes are displayed visually using personalized 3D body avatars depicting changes in body shape across increasing levels of weight loss, and numerically as corresponding body weights. Responses to each presentation format are collected to evaluate differences in weight loss-related satisfaction, confidence, and commitment. |
| Measure | Description | Time Frame |
|---|---|---|
| Weight Loss Goals | Self-reported dream, happy, acceptable, and disappointing weight loss goals, reported as body weight and calculated percent reduction from current body weight. | assessed once during the online survey |
| Weight Loss Satisfaction | Participant-reported satisfaction with hypothetical weight loss outcomes presented across increasing percentages of total body weight loss, shown both visually using personalized 3D avatars and numerically as body weight. Satisfaction is rated on a 10-point scale. | assessed once during the online survey |
| Measure | Description | Time Frame |
|---|---|---|
| Confidence in Achieving Weight Loss | Participant-reported confidence in their ability to achieve projected weight loss outcomes presented visually (3D avatars) and numerically (body weight), assessed across increasing levels of weight loss. | assessed once during the online survey |
| Commitment to Weight Loss |
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Inclusion Criteria:
Exclusion Criteria:
• History of body shape-altering procedures (i.e., breast augmentation, bariatric surgery, amputation)
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The study population consists of weight loss-seeking adults aged 18 years and older with a body mass index (BMI) of 24.5 kg/m² or greater. Participants are recruited from the general population through online advertisements and represent a broad range of demographic backgrounds. Individuals must be willing to complete an online survey and provide self-reported demographic and anthropometric information necessary for generating personalized 3D body visualizations. Individuals with a history of body shape-altering procedures are excluded.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Samantha Kennedy, PhD | Contact | (225) 229-5287 | sam.kennedy@pbrc.edu |
| Name | Affiliation | Role |
|---|---|---|
| Samantha Kennedy, PhD | Pennington Biomedical Research Center | Principal Investigator |
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Data will be available by the PI upon reasonable request.
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| ID | Term |
|---|---|
| D050177 | Overweight |
| D009765 | Obesity |
| D015431 | Weight Loss |
| D015438 | Health Behavior |
| ID | Term |
|---|---|
| D044343 | Overnutrition |
| D009748 | Nutrition Disorders |
| D009750 | Nutritional and Metabolic Diseases |
| D001835 | Body Weight |
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Participant-reported commitment to pursuing weight loss at varying outcome levels, evaluated for both visual (avatar-based) and numerical presentations. |
| assessed once during the online survey |
| D012816 |
| Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D001836 | Body Weight Changes |
| D001519 | Behavior |