A Test of Different Degrees of Cost Sharing on Program Uptake and Attendance
1 other identifier
interventional
1,239
1 country
2
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.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable obesity
Started Jan 2013
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 19, 2012
CompletedFirst Posted
Study publicly available on registry
December 24, 2012
CompletedStudy Start
First participant enrolled
January 1, 2013
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 1, 2014
CompletedStudy Completion
Last participant's last visit for all outcomes
November 1, 2014
CompletedDecember 21, 2015
December 1, 2015
1.5 years
December 19, 2012
December 18, 2015
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Uptake
the percent of patients who sign up for the program, by arm
12 months
Secondary Outcomes (1)
Efficacy
12 months
Study Arms (4)
A
ACTIVE COMPARATORParticipant has 50% subsidy, i.e. gets a 50% discount off regular price of the program
B
EXPERIMENTALParticipant has 100% subsidy, i.e. program attendance is free
C
EXPERIMENTALParticipant has 80% subsidy; i.e. gets 80% discount off regular price of the program
D
EXPERIMENTALParticipant has 50% subsidy up front (i.e. pays 50%), with possibility for 100% subsidy based on attaining monthly participation goals
Interventions
Eligibility Criteria
You may qualify if:
- Must be employee of Vanguard Health Systems over the age of 18
- Must have a BMI of 21 or greater
You may not qualify if:
- Must not be under the age of 18
- Must not have a BMI lower than 21
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- University of Pennsylvanialead
- Harvard Universitycollaborator
- Duke Universitycollaborator
Study Sites (2)
Ingersoll Rand
Davidson, North Carolina, 28036, United States
Vanguard Health Systems
Nashville, Tennessee, 37215, United States
Related Publications (1)
John LK, Troxel AB, Yancy WS Jr, Friedman J, Zhu J, Yang L, Galvin R, Miller-Kovach K, Halpern SD, Loewenstein G, Volpp K. The Effect of Cost Sharing on an Employee Weight Loss Program: A Randomized Trial. Am J Health Promot. 2018 Jan;32(1):170-176. doi: 10.1177/0890117116671282. Epub 2016 Oct 21.
PMID: 29277125DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Kevin Volpp, MD, PhD
University of Pennsylvania
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 19, 2012
First Posted
December 24, 2012
Study Start
January 1, 2013
Primary Completion
July 1, 2014
Study Completion
November 1, 2014
Last Updated
December 21, 2015
Record last verified: 2015-12