Worksite Wellness Randomized Controlled Trial

Inclusion criteria

• Willingness to sign an informed consent form
• Willingness to provide release from his/her physician before starting the intervention program-a requirement for each of the 3 wellness programs
• Willingness to provide email identification (ID) and contact information to the commercial program facilitators to receive program materials and other feedback related to program progress
• Willingness to complete outcome assessments and self-monitoring in order to track intervention effectiveness
• BMI ≥ 20 kg/m2 and < 50 kg/m2 at screening, if participant opts into the HPI arm
• BMI ≥ 25 kg/m2 and < 50 kg/m2 at screening, if participant opts into the weight loss arm

Exclusion criteria

• Employees who are temporary contract workers or employees who work remotely most of the time
• < 21 years of age
• Participation in a weight loss program or intensive wellbeing program at time of enrollment
• Pregnant or lactating (per self-reports, now or intended during study)
• Prior weight loss surgery or a medical complication that would prevent full participation
• Multiple severe dietary intolerances (e.g. gluten combined with dairy or meat) which would reduce intervention adherence
• Non-English speaking
• Individuals who have lost > 15 pounds in the past 6 months
• Mobility limitations (inhibiting the ability to stand on one's own or get on and off of the scale)
• Major diseases including active cancer or cardiovascular disease
• BMI < 25 kg/m2 or ≥ 50 kg/m2 at screening, for those that opt-in to the weight-loss group
• BMI <20 kg/m2 or ≥ 50 kg/m2 at screening, for those that opt-in to the HPI group

For those interested in the weight loss intervention, additional exclusion criteria are as follows:

• Any condition that influences the ability to absorb food (e.g. inflammatory bowel disease or celiac disease)
• Very active individuals (> 2 hours/day or >14 hours/week of vigorous activity).