I-STAND R21: Reducing Sedentary Time in Older Adults

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Kaiser Permanente




Sedentary Lifestyle


Behavioral: I-STAND
Other: Healthy Living

Study type


Funder types




Details and patient eligibility


The investigators are doing a study to learn how to support patients aged 60+ in taking more breaks from sitting and reducing total sitting time. The goal of the study is to find out if a sitting time reduction intervention reduces sitting time compared with a control group.

Full description

More than one-third of American adults over 60 have a body mass index > 30 kg/m2. These older adults have more sedentary time than any other group -- an average of 10-11 hours per day. Reducing the sedentary behavior of older adults with obesity, rather than only promoting more intensive physical activity, could provide a more feasible approach to health promotion. This randomized control pilot trial will evaluate a 12-week intervention to decrease sitting time and increase standing time and light physical activity among sedentary older adults a body mass index > 30 kg/m2 as compared to control group. Baseline and 12-week measurements include anthropometric measures, blood draw by finger stick, cardiovascular health assessments, physical function tasks, and a survey. The intervention will consist of two in-person visits with a health coach followed by phone-based coaching.


60 patients




60 to 89 years old


No Healthy Volunteers

Inclusion criteria

  • Kaiser Permanente Washington enrollees
  • Men and women
  • Age 60 - 89
  • BMI 30 - 50 (calculated based on most recent height ever and most recent weight taken within previous 18 months)
  • Primary care within Integrated Group Practice
  • Continuously enrolled at Kaiser Permanente Washington for previous 12 months
  • No record of death
  • Not on the No Contact list
  • Speaks and writes English
  • Able to hold a conversation by phone (no hearing or other limitations)
  • Self-reported sitting time of 6 hours/day or more
  • Self-reported ability to stand with or without an assistive device
  • Self-reported ability to walk one block with or without an assistive device
  • Available for the study duration
  • Able to come to Kaiser Permanente Washington Health Research Institute's research clinic for measurement visits
  • Willing to wear study activity monitors

Exclusion criteria

  • Resides in long-term care, hospice care, or skilled nursing facility (previous 12 months)
  • Wheelchair bound
  • Diagnosis of dementia, serious mental health disorder, or substance use disorder (previous 24 months)
  • Use of an assistive device

Trial design

Primary purpose

Supportive Care



Interventional model

Parallel Assignment


Single Blind

60 participants in 2 patient groups

Experimental group
Participants randomly assigned to the I-STAND intervention group will receive 2 in-person health coaching sessions and 4 biweekly phone-based health coaching sessions. They will receive a wristband that gives a mild vibration after 20 minutes of inactivity and will be encouraged to stand if possible after each inactivity alert. Participants may also choose to receive biweekly email reminders in the weeks between coaching calls. They will also receive a workbook with content around reducing sitting time.
Behavioral: I-STAND
Healthy Living
Active Comparator group
Participants randomly assigned to the Healthy Living enhanced usual care control group will receive 1 in-person health coaching session and 5 biweekly check-in letters by mail. They will receive a workbook with general healthy living topics that are not expected to impact sitting time. All content is taken from Kaiser Permanente Washington's website and is available to all members. Participants will select topics of interest and review them on their own with no further health coaching.
Other: Healthy Living

Trial documents

Trial contacts and locations



Data sourced from clinicaltrials.gov

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