Engaging Men in Weight Loss With a Game-based mHealth and Neurotraining Program

Description

Men in the United States have an exceptionally high prevalence of overweight and obesity, i.e., 71.3%, and 42% of men are currently attempting weight loss. However, men are dramatically underrepresented in weight loss programs. Attempts to modestly adapt standard weight loss programs have seen only minimal success. Mobile applications (mHealth apps) have attractive features, but have low male enrollment and poor efficacy as conventionally delivered. A gamified mHealth program offers the possibility of engaging men and enhancing efficacy given that (1) video gaming is highly appealing to men; (2) gamification features (e.g., digital rewards for attaining "streaks" and milestones, competition) are known enhance enjoyment and motivation and facilitate desired behaviors; and (3) "neurotraining" video games featuring repetitive action mechanics, adaptive difficulty, and feedback can train inhibitory control, a basic brain capacity to inhibit intrinsically-generated approach responses that is strongly linked to body mass and the consumption of high-calorie foods. This project evaluates long-term engagement and outcomes of a professionally-designed, game-based weight loss program. As such, 228 overweight men will be randomized to: (1) a 12-month mHealth weight loss program that includes digital self-monitoring, simplified and self-selected dietary targets, physical activity and a control (sham) non-game neurotraining, or (2) a fully-gamified version of this same program, comprised of a behavior change program featuring team-based competition, digital reinforcers for attainment of streaks and milestones, and an integrated neurotraining video game. Aims include evaluating the efficacy of the gamified program in terms of weight loss, diet and physical activity at 12 months, as well as evaluating hypothesized mediators (inhibitory control and engagement), (enjoyment and compliance) and moderators (baseline frequency of video game play and implicit preferences for Inhibitory Control Training-targeted foods).

Conditions

Obesity, Weight Loss

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Study Details

Study overview

Men in the United States have an exceptionally high prevalence of overweight and obesity, i.e., 71.3%, and 42% of men are currently attempting weight loss. However, men are dramatically underrepresented in weight loss programs. Attempts to modestly adapt standard weight loss programs have seen only minimal success. Mobile applications (mHealth apps) have attractive features, but have low male enrollment and poor efficacy as conventionally delivered. A gamified mHealth program offers the possibility of engaging men and enhancing efficacy given that (1) video gaming is highly appealing to men; (2) gamification features (e.g., digital rewards for attaining "streaks" and milestones, competition) are known enhance enjoyment and motivation and facilitate desired behaviors; and (3) "neurotraining" video games featuring repetitive action mechanics, adaptive difficulty, and feedback can train inhibitory control, a basic brain capacity to inhibit intrinsically-generated approach responses that is strongly linked to body mass and the consumption of high-calorie foods. This project evaluates long-term engagement and outcomes of a professionally-designed, game-based weight loss program. As such, 228 overweight men will be randomized to: (1) a 12-month mHealth weight loss program that includes digital self-monitoring, simplified and self-selected dietary targets, physical activity and a control (sham) non-game neurotraining, or (2) a fully-gamified version of this same program, comprised of a behavior change program featuring team-based competition, digital reinforcers for attainment of streaks and milestones, and an integrated neurotraining video game. Aims include evaluating the efficacy of the gamified program in terms of weight loss, diet and physical activity at 12 months, as well as evaluating hypothesized mediators (inhibitory control and engagement), (enjoyment and compliance) and moderators (baseline frequency of video game play and implicit preferences for Inhibitory Control Training-targeted foods).

Engaging Men in Weight Loss With a Game-based mHealth and Neurotraining Program: A 2 x 2 Randomized Design

Engaging Men in Weight Loss With a Game-based mHealth and Neurotraining Program

Condition
Obesity
Intervention / Treatment

-

Contacts and Locations

Philadelphia

Drexel University, Philadelphia, Pennsylvania, United States, 19102

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.

For general information about clinical research, read Learn About Studies.

Eligibility Criteria

  • * Individuals must be of overweight or obese BMI (25-50 kg/m)
  • * Individuals must be adults (aged 18-65)
  • * Able to engage in physical activity (defined as walking two city blocks without stopping)
  • * Individuals must also provide consent for the research team to contact their personal physician, if necessary, to provide clearance for the prescribed level of physical activity (i.e., walking) or to consult about rapid weight loss
  • * Have moderate-to-high implicit preference for high-calorie foods
  • * Satisfactory completion of all enrollment procedures\]
  • * Medical condition (e.g., cancer, type I diabetes, renal failure), heavy alcohol use, or psychiatric condition (e.g., active substance abuse, eating disorder) that may pose a risk to the participant during intervention or cause a change in weight
  • * Recently began or changed the dosage of medication that can cause significant change in weight
  • * History of bariatric surgery
  • * Weight loss of ≥ 5% in the previous 3 months

Ages Eligible for Study

18 Years to 55 Years

Sexes Eligible for Study

ALL

Accepts Healthy Volunteers

Yes

Collaborators and Investigators

Drexel University,

Study Record Dates

2026-01-01