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A Program to Increase Exercise

This study has been completed.
Information provided by (Responsible Party):
Katherine Milkman, University of Pennsylvania Identifier:
First received: August 3, 2011
Last updated: October 24, 2016
Last verified: October 2016
The investigators propose that healthy behaviors such as exercise could be increased through interactive interventions and weigh-ins (ie weekly emails, questionnaires, weigh-ins, and pay for participating in a study).

Condition Intervention
Physical Activity Behavioral: Intervention

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Supportive Care

Resource links provided by NLM:

Further study details as provided by Katherine Milkman, University of Pennsylvania:

Primary Outcome Measures:
  • Increase in gym attendance [ Time Frame: up to 52 weeks ]

Secondary Outcome Measures:
  • Experience weight loss [ Time Frame: up to 52 weeks ]

Enrollment: 226
Study Start Date: September 2011
Study Completion Date: September 2012
Primary Completion Date: December 2011 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
No Intervention: Control
Participants who do not receive any intervention
Experimental: Intervention
Participants who are weighed both at the beginning and end of a 10 week period, receive weekly emails asking them about their exercise, and complete various questionnaires at the study's outset and read about the benefits of exercise. They also receive $100 in pay for their time and either 4 iTunes audio novels or the equivalent cash value.
Behavioral: Intervention
Receive weekly emails, information about the benefits of exercise, and compensation.


Ages Eligible for Study:   18 Years to 75 Years   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • Stable health as determined by the screening of their medical history
  • Own an iPod
  • An interest in exercising more regularly
  • Belong to the Pottruck Gym at University of Pennsylvania
  • Interested in exercising more through the use of aerobic exercise machines

Exclusion Criteria:

  • Recent myocardial infraction
  • congestive heart failure
  • uncontrolled hypertension
  • self-report of 6 or more alcoholic beverages per day or use of any illicit drugs
  • bulimia nervosa or related behaviors
  • diabetes medication
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01421329

United States, Pennsylvania
University of Pennsylvania
Philadelphia, Pennsylvania, United States, 19104
Sponsors and Collaborators
University of Pennsylvania
Principal Investigator: Katherine L Milkman, Ph.D. University of Pennsylvania
Principal Investigator: Julia A Minson University of Pennsylvania
Principal Investigator: Kevin GM Volpp, MD, Ph.D. University of Pennsylvania
  More Information

Responsible Party: Katherine Milkman, Assistant Professor, University of Pennsylvania Identifier: NCT01421329     History of Changes
Other Study ID Numbers: 813970-1
Study First Received: August 3, 2011
Last Updated: October 24, 2016

Keywords provided by Katherine Milkman, University of Pennsylvania:
Interest in Exercising More processed this record on July 21, 2017