ShapeUp Empower Study

Inclusion Criteria:

- Age 18-70 years

- Body mass index (BMI) between 25 and 45 kg/m2

- English speaking

- Have access to the Internet via a computer and smartphone compatible with Empower and
Commercial Apps, and basic knowledge of how to use this technology.

- Agree to sharing of data entered in the Empower and Commercial Apps intervention
systems.

- Agree to ShapeUp's privacy policy and user agreement.

Exclusion Criteria:

- Report health problems that make weight loss or unsupervised exercise unsafe or
unreasonable

- Report a heart condition, chest pain during periods of activity or rest, or loss of
consciousness on the Physical Activity Readiness Questionnaire

- Are currently pregnant or breastfeeding, or intend to become pregnant in the next 12
months

- Are planning to move outside of the greater Providence area within the next 12 months

- Report any cognitive or physical limitations that preclude use of a personal computer

- Have participated in a study conducted by the WCDRC in the past 2 years

- Have followed a commercial weight-loss program within the previous 6 months or who
are currently following a commercial weight loss program

- Weight loss of ≥ 5% of initial body weight in the last 6 months

- History of clinically diagnosed eating disorder excluding Binge Eating Disorder.

- Previous surgical procedure for weight loss

- Currently taking weight loss medication\

- Treatment of cancer within the last 6 months

- Have any medical or psychological condition, or life situation, that would make
participation in a weight loss program inadvisable in the opinion of the principal
investigator.