Assessing the Effects Of Treadmill On LPA, Sitting Time, and Cardiovascular Risk

Assessing the Effects Of Treadmill On Light Physical Activity, Sitting Time, And Cardiovascular Risk

The purpose of this study is to:

1. Evaluate the relative efficacy of a treadmill desk intervention on light physical activity and sitting behaviors at work over four weeks;
2. Evaluate the relative efficacy of a treadmill desk intervention on the cardiovascular risk profiles (blood pressure, body weight, body fat percentage) over a four-week period.

Study Overview

• Status: Completed
• Conditions: Sedentary Lifestyle; Risk Factor, Cardiovascular
• Intervention / Treatment: Other: Treadmill desk

Detailed Description

American workers spend 70-80% of their time at work sitting at a desk, working on a computer, talking on a telephone, and sitting in meetings. Traditional approaches to increase MVPA in the workplace may not be sustainable as they require deliberate and dedicated time away from work, and may be perceived as harmful to productivity. Sedentary behavior interventions, in contrast, do not interfere with daily tasks and productivity and require small but cumulative changes in posture and LPA throughout the workday.

Sedentary behavior interventions in the worksite, including those conducted by our team, have shown promising effects. Studies that have used multi-level approaches targeting individual, social, and environmental factors have been most effective. The most robust environmental support has been the use of sit-stand workstations, providing distinct opportunities for workers to reduce sitting while maintaining productivity. However, treadmill desks may provide an even greater opportunity to both reduce sitting and increase LPA during the workday. Thus, a pilot study is required to test the efficacy of this approach to reduce sitting and increase LPA in the workplace.

• Study Type: Interventional
• Enrollment (Actual): 15
• Phase: Not Applicable

Contacts and Locations

Study Locations

• United States
  • Minnesota
    • Minneapolis, Minnesota, United States, 55454
      • University of Minnesota West Bank Office Building

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 18 years to 70 years (ADULT, OLDER_ADULT)
• Accepts Healthy Volunteers: Yes
• Genders Eligible for Study: All

Description

Inclusion Criteria:

• Not currently pregnant or planning to become pregnant during the 11 week study period.
• Able to read and write in English.
• No current use of a sit/stand or treadmill desk.
• Work that is done in a predominately stationary position.
• Working at UMN West Bank Office Building at least 30 hours per week.
• Not currently meeting physical activity guidelines.
• No balance issues (i.e. healthy vestibular system)
• No contraindications to standing or walking
• Weight stable for the past 12 months.
• Taking no more than 3 prescription drugs, with stable dosage, over the past 12 months
• Answer of no to all Physical Activity Readiness-Questionnaire (PAR-Q) questions

Exclusion Criteria:

• Currently pregnant or actively trying to become pregnant during the 14 week study period.
• Unable to read and write in English.
• Working less than 30 hours per week.
• Currently meeting physical activity guidelines.
• Non-sedentary job.
• Current use of treadmill desk
• Any reported balance problems
• Anyone with contraindications to standing or walking
• Weight fluctuations of more than +/- 10% of their body weight in the past year
• Individuals taking more than 4 prescription drugs and/or unstable dosage of medications over the past 12 months if taking 3 or less.
• Answer of yes to any PAR-Q questions

Study Plan

How is the study designed?

Design Details

• Primary Purpose: TREATMENT
• Allocation: RANDOMIZED
• Interventional Model: CROSSOVER
• Masking: NONE

Number of Arms

2

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
NO_INTERVENTION: Usual Desk; participants will work at their usual desk for four weeks.
EXPERIMENTAL: Treadmill desk; Participants will be asked to use a treadmill desk for a minimum of 30 minutes per day for four weeks (Participants will sign up for a total of 30 minutes each day). Additional time may be spent on the treadmill, time permitting (two treadmills will be available to up to 10 people over the four week period).	Other: Treadmill desk; A standing height desk with a treadmill attached.; Other Names: ActiveStation Treadmill desks

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Time spent sitting	The change in time spent sitting as measured by the ActivPAL, from baseline to the final week of each intervention condition	7-days
Time spent standing	The change in time spent standing as measured by the ActivPAL, from baseline to the final week of each intervention condition	7-days
Time spent moving	The change in time spent moving as measured by the ActivPAL, from baseline to the final week of each intervention condition	7-days

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Cardiovascular risk: Blood pressure	The change in the cardiovascular risk, as measured via blood pressure from baseline to the final week of each condition.	7-days
Cardiovascular risk: Body weight	The change in the cardiovascular risk, as measured via body weight from baseline to the final week of each condition.	7-days
Cardiovascular risk: Percent body fat	The change in the cardiovascular risk, as measured via percent body fat from baseline to the final week of each condition.	7-days

Collaborators and Investigators

• Sponsor: University of Minnesota

Study record dates

Study Major Dates

• Study Start (ACTUAL): October 5, 2018
• Primary Completion (ACTUAL): December 7, 2019
• Study Completion (ACTUAL): December 8, 2019

Study Registration Dates

• First Submitted: July 27, 2017
• First Submitted That Met QC Criteria: July 27, 2017
• First Posted (ACTUAL): August 2, 2017

Study Record Updates

• Last Update Posted (ACTUAL): January 7, 2020
• Last Update Submitted That Met QC Criteria: January 6, 2020
• Last Verified: January 1, 2020

More Information

Terms related to this study

• Other Study ID Numbers: STUDY000000866

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: YES
• IPD Plan Description: Deidentified IPD for all primary and secondary outcome measures will be made available upon request.
• IPD Sharing Time Frame: Data will become available within 6 months of study completion.
• IPD Sharing Access Criteria: Data access requests will be reviewed by the Principal Investigator. Requestors will be required to sign a data access agreement.
• IPD Sharing Supporting Information Type: STUDY_PROTOCOL; ICF; ANALYTIC_CODE; CSR

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No