. Author manuscript; available in PMC: 2021 Apr 1.

Published in final edited form as: Contemp Clin Trials. 2020 Feb 19;91:105958. doi: 10.1016/j.cct.2020.105958

Table 1.

Inclusion and exclusion criteria.

Inclusion	Exclusion
Age ≥ 18 years Currently own and regularly use a smartphone with a data plan (iPhone or Android) BMI ≥ 27 and ≤ 43 Successfully complete a 5-day electronic food diary during the run-in period	Have an unstable condition requiring physician-supervised diet and exercise (e.g. recent myocardial infarction) Physical limitations that preclude moderate-intensity PA Pregnant or intending to become pregnant during the study period Serious mental illness (e.g. schizophrenia) Alcohol intake > 4 drinks/day Currently in a formal weight loss program or use of weight loss medication History of bariatric surgery Score > 32 on the Eating Habits Checklist There are no restrictions on current ownership/use of a Fitbit or other device. Participants need to be willing to use the Fitbit device provided (or their own Fitbit device)

Inclusion

Exclusion

Age ≥ 18 years
Currently own and regularly use a smartphone with a data plan (iPhone or Android)
BMI ≥ 27 and ≤ 43
Successfully complete a 5-day electronic food diary during the run-in period

Have an unstable condition requiring physician-supervised diet and exercise (e.g. recent myocardial infarction)
Physical limitations that preclude moderate-intensity PA
Pregnant or intending to become pregnant during the study period
Serious mental illness (e.g. schizophrenia)
Alcohol intake > 4 drinks/day
Currently in a formal weight loss program or use of weight loss medication
History of bariatric surgery
Score > 32 on the Eating Habits Checklist
There are no restrictions on current ownership/use of a Fitbit or other device. Participants need to be willing to use the Fitbit device provided (or their own Fitbit device)