A Test of Different Degrees of Cost Sharing on Program Uptake and Attendance

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01756066

Enrollment

1239

Registered

2012-12-24

Start date

2013-01-31

Completion date

2014-11-30

Last updated

2015-12-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Obesity

Keywords

Obesity, Weight loss program, incentives

Brief summary

To test the uptake of four different cost sharing discounts for enrolling in the Weight Watchers weight loss program as well as outcomes (program attendance and weight loss) over 12 months.

Interventions

BEHAVIORALDifferent levels of cost sharing

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

PREVENTION

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

18 Years to 80 Years

Healthy volunteers

Inclusion criteria

1. Must be employee of Vanguard Health Systems over the age of 18 2. Must have a BMI of 21 or greater

Exclusion criteria

1. Must not be under the age of 18 2. Must not have a BMI lower than 21

Design outcomes

Primary

Measure	Time frame	Description
Uptake	12 months	the percent of patients who sign up for the program, by arm

Secondary

Measure	Time frame	Description
Efficacy	12 months	Program attendance and weight loss among participants who sign up for the program

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 12, 2026