The Effect of Sit-Stand Workstations on Physical Activity in Sedentary Office Workers

NCT ID: NCT01863056

Last Updated: 2023-04-07

Basic Information

• Recruitment Status: COMPLETED
• Clinical Phase: NA
• Total Enrollment: 29 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2012-01-31
• Study Completion Date: 2013-07-31

Brief Summary

The purpose of this study was to determine whether the installation of sit-stand work stations could lead to decreased sedentary time and increased physical activity during the workday among sedentary office workers.

Conditions

Sedentary

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: CROSSOVER
• Primary Study Purpose: PREVENTION
• Blinding Strategy: NONE

Study Groups

Sit-Stand Desk

Cross-over trial: so one group got the intervention in period 1 and didn't get the intervention in period 2 (serving as control for self in period 2) and the other group got the intervention in period 2 and didn't get the intervention in period 1 (serving as control for self in period 1).

Group Type: EXPERIMENTAL

Sit-Stand Desk

Intervention Type: OTHER

Subjects were asked to participate in the study for a total period of three months. Based on randomization, either the first or third month involved the active intervention to use an adjustable sit-stand desk. The other two months required the subjects to follow their usual work routine without the adjustable sit-stand desk. The control period month involved all the same measurements as the active intervention month, whereas the washout period, which was the 2nd (middle) month, did not involve any measurement and there was no contact with the subjects during the washout month.

Control

Used normal work desk which only allows working sitting down

Group Type: NO_INTERVENTION

No interventions assigned to this group

Interventions

Sit-Stand Desk

Subjects were asked to participate in the study for a total period of three months. Based on randomization, either the first or third month involved the active intervention to use an adjustable sit-stand desk. The other two months required the subjects to follow their usual work routine without the adjustable sit-stand desk. The control period month involved all the same measurements as the active intervention month, whereas the washout period, which was the 2nd (middle) month, did not involve any measurement and there was no contact with the subjects during the washout month.

Intervention Type: OTHER

Eligibility Criteria

Inclusion Criteria

• Mostly sedentary (sitting ≥ 4 hour) during the workday.
• Age ≥ 18
• Anticipated using a single computer workstation for 20 hours or more per week

Exclusion Criteria

• Unable to stand for at least two hours per workday (two hours over the whole workday, not consecutively)
• Reported severe musculoskeletal symptoms, specifically lower extremity or lower back pain.
• Diagnosed with or under treatment for diabetes, heart disease, cancer, orthostatic hypertension, varicose vein, autoimmune disease, or other chronic diseases.
• Pregnant women

• Minimum Eligible Age: 18 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: Yes

Sponsors

Mayo Clinic

OTHER

Sponsor Role: collaborator

University of Minnesota

OTHER

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Principal Investigators

Mark Pereira, Ph.D.

Role: PRINCIPAL_INVESTIGATOR

School of Public Health, University of Minnesota, Minneapolis

Locations

Caldrea Inc.

Minneapolis, Minnesota, United States

Countries

United States

References

Dutta N, Walton T, Pereira MA. Experience of switching from a traditional sitting workstation to a sit-stand workstation in sedentary office workers. Work. 2015;52(1):83-9. doi: 10.3233/WOR-141971.

Reference Type: DERIVED

PMID: 25425587 (View on PubMed)

Other Identifiers

1112M07302

Identifier Type: -

Identifier Source: org_study_id