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Completed

NCT Number: NCT01787643

Standing Behavior After Installation of Height-Adjustable Desks

The purpose of this research study is to determine whether height-adjustable desks change sitting and standing time at work and away from work, engery expenditure, dietary intake, and body composition. Intermittent peroids of standing made possible by height-adjustable desks may help to impart long-term health benefits.

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Key information

Conditions

Office Workers Body Weight Pathological Conditions, Signs and Symptoms Signs and Symptoms Sitting Occupations

Age range

18 year–99 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

USDA Grand Forks Human Nutrition Research Center

Grand Forks, North Dakota, 58203, United States

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Being one of the 18 scientists and support staff who have sedentary jobs
  • Voluntarily make the choice to replace their current fixed-height sitting desk for a sit-to-stand height-adjustable desk
  • Consents to study conditions

Exclusion criteria

  • Cannot stand for any type of health of orthopedic reasons
  • Do not work fulltime
  • Pregnant at baseline or become pregnant during the study

Treatment and study plan

Height-Adjustable Desk Intallation in Office

Other

Primary outcomes

  1. Workplace sitting time to be reduced

    Time frame: 12 months

    Workplace sitting time will be reduced by 60 minutes across an 8 hour work day and this time will be replaced by standing.

Secondary outcomes

  1. Total sitting time will be reduced

    Time frame: 12 months

    Total sitting time will be reduced by 30 minutes across a 16 hour day. Decreased sitting during the weekday will not be fully compensated for by increased sitting during nonwork hours.

  2. Energy expenditure will increase

    Time frame: 12 months

    Energy expenditure will increase across an 8 hour workday and a 16 hour day.

  3. Health behavior change of consuming a lower fat diet

    Time frame: 12 months

    The non-targeted health behavior of consuming a lower fat diet will co-occur with standing behavior. Increases in standing behavior will be inversely correlated with changes in total dietary fat intake.

  4. Body weight, BMI, and fat mass reduction

    Time frame: 6 months

    Body weight, BMI, and fast mass will be reduced by 6 months.

  5. Changes in musculoskeletal symptoms

    Time frame: 12 months

    Increases in standing behavior will be correlated with changes in musculoskeletal symptoms.

Sponsors and collaborators

Lead sponsor

USDA Grand Forks Human Nutrition Research Center

Fed

Registry information

Official study title

Adoption of Standing Behavior After Installation of Height-Adjustable Desks

Important dates

Study start
2013
Primary completion
2014
Study completion
2015
First posted
Feb 8, 2013
Registry last updated
Feb 2, 2022

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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