The purpose of this research study is to determine the influence of time-based energy intake goals on weight loss.

You may be eligible for this study if you meet the following criteria.

Inclusion Criteria:

• Adults ages 25-60 years

• Have overweight or obesity

• Have daily access to a PC with internet or a smartphone

• Not a shift worker that works outside of 7am-7pm

• Once enrolled, this study involves:

  • Attending 33, 60-minute overweight and obesity treatment program meetings over 12 months
    • Weekly for months 1-6, biweekly for months 7-9, and monthly for months 10-12
    • Intervention: You will learn about nutrition, physical activity, and ways to develop a healthy lifestyle
  • Providing height and weight
  • Attending 4 assessments over the 12 months, which will include:
    • Wearing a device around your wrist to measure physical activity and sleep for 7 days
    • Receiving a continuous glucose monitor to wear on the back of your non-dominant arm to measure your blood glucose for 7 days
    • Taking pictures of food and drinks you consume using your phone for 7 days
    • Receiving prompts via your phone at 8am, 8pm, once during the afternoon, and after eating occasions to rate your feelings of hunger, fullness, temptation to eat, desire to eat, and control of overeating for 7 days
    • Answering three calls (15-30 mins each) during a 7 day period to describe the food and drinks you ate during the last 24 hours

Compensation is provided up to $300 for your participation.

There is no cost for you to participate in our research study.