Table 1.

Participant Eligibility Criteria for an 18-month Weight Loss and Maintenance Intervention in Adults with Intellectual and Developmental Disabilities

Inclusion
Residential Status:	Live with parents or in supported living in North East Kansas (≤ 50 miles from Lawrence, KS) with a maximum of 4 other individuals with IDD.
Age:	≥ 18 years
Diagnosis:	Mild to moderate IDD as determined by a Community Service Provider operating in Kansas under the auspices of a Community Developmental Disability Organization (CDDO).
Overweight/obese:	BMI > 25 kg/m2
Ambulatory:	Must be able to walk.
Health status:	Must provide physician clearance to participate.
Communication:	Potential participants must be able to communicate preferences (e.g., foods liked and disliked), wants (e.g., more to eat, drink), and needs (e.g., assistance with food preparation) through spoken language, sign language, or augmentative and alternative communication systems, such as voice output communication aides.
Ability to consent:	Potential participants will be judged competent to give informed consent by their CDDO or will have a guardian with power of attorney. If a guardian indicates consent but the individual with IDD does not want to participate, the individual will not be enrolled
Exclusion
Health concerns:	Individuals with uncontrolled hypertension, severe heart disease, cancer, HIV, etc. Individuals with diabetes will be receiving a special diet per state regulatory statute and thus are not eligible. Individuals who are currently being treated for depression or eating disorders.
Recent weight loss:	Participation in a weight loss program within the past 6 months.
Pregnancy:	Individuals who become pregnant during the study will be dropped and referred for appropriate services.