Comparison of Weight Management Programs Delivered in Large Versus Small Groups

The University of Alabama at Birmingham

Status: Completed

Conditions: Obesity

Treatments: Behavioral: lifestyle intervention for obesity

Study type: Interventional

Funder types: Other

Identifiers

NCT02088749

K23DK081607 (U.S. NIH Grant/Contract)

K23DK081607-pilot

Details and patient eligibility

About

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.

Enrollment: 66 patients

Sex: All

Ages: 21+ years old

Volunteers: Accepts Healthy Volunteers

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

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: None (Open label)

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66 participants in 2 patient groups

small group treatment

Experimental group

Description:

lifestyle intervention for obesity delivered to small groups of approximately 12 participants/group

Treatment:

Behavioral: lifestyle intervention for obesity

large group treatment

Active Comparator group

Description:

lifestyle intervention for obesity delivered to a large group of approximately 30 participants

Treatment:

Behavioral: lifestyle intervention for obesity