Obesity
Conditions
Keywords
obesity, weight loss, treatment, lifestyle
Brief summary
The purpose of this study is to compare the 6- and 12-month weight changes associated with lifestyle interventions delivered in a large group or small groups of participants. It is hypothesized that participants receiving treatment in a small group will have greater weight loss than those assigned to a larger group.
Interventions
BEHAVIORALlifestyle intervention for obesity
Sponsors
University of Alabama at Birmingham
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
21 Years to No maximum
Healthy volunteers
Yes
Inclusion criteria
* at least 21 years-old * body mass index (BMI) between 30-45
Exclusion criteria
* have lost \>4.5 kg in past six months * have medical condition(s) likely to affect ability to participate in physical activity * planning to relocate from the area in next 12 months * unable or unwilling to attend weekly group sessions * unwilling to accept random assignment
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| change in body weight from baseline to months 6 and 12 | baseline, month 6, month 12 | Weight will be measured to the nearest 0.1 kg using calibrated digital scales at baseline, month 6, and month 12. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| treatment attendance | 12 months | Participants attendance at each treatment group session was recorded. |
| treatment adherence | 12 months | Participants' self-monitoring of food intake was collected to determine adherence to this component of treatment. |
Countries
United States
Outcome results
None listed