Sitting less might help older women age better
NCT ID NCT03473145
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looked at whether breaking up long periods of sitting can improve health in overweight women aged 55 and older. Over 400 participants were given health coaching and a device to track their sitting and standing time. The goal was to see if standing more often could lead to better insulin levels and physical function after three months.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Health coaching and a device to track sitting and standing
- What this could lead to
- If it works, this could show that simply standing up more often during the day improves health in older women.
- What could go wrong
- This is a completed study, so results are already known. The intervention is behavioral, not a drug, so any benefits may be modest and hard to maintain long-term.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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407 people
The number who actually took part.
- Started
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May 2018
- Finished
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Dec 2024
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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55 years and older
- Sex
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Female participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Female; 2. 55 years of age and above; 3. any ethnicity or race; 4. screened to sit for 7 or more hours per day, perform less than 70 sit-to-stand transitions per day 5. ambulatory; 6. medically stable without any health conditions that would inhibit standing or PA; 7. able to give informed consent \& comply with study protocols; 8. able to read and write fluently in English; 9. able to travel to study visits; and 10. no menstruation for at least one year; 11. BMI 25-45 12. able to walk, stand and transition without high risk of falling. Exclusion Criteria: 1. Male; 2. younger than 55 years of age; 3. sit for less than 7 hours per day, perform 71 or more sit-to-stand transitions per day 4. mental state that would preclude complete understanding of the protocol or compliance; 5. physical limitations to completing any of the study conditions; 6. menstruation less than one year prior; 7. unable to complete the Short Physical Performance Battery, 8. Active cancer 9. body Mass Index \<25 or \>45kg/m2, 10. use of insulin
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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UC San Diego
La Jolla, California, 92093, United States
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