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REducing SEDENTary Behaviour in Senior Living Facilities (RESEDENT)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT03439059
Recruitment Status : Completed
First Posted : February 20, 2018
Last Update Posted : January 10, 2019
Information provided by (Responsible Party):
Dr. Harry Prapavessis, Western University, Canada

Brief Summary:
With the nation's fastest growing demographic being adults over 65, one in every three seniors is estimated to die from Alzheimer's Disease (AD). The strong correlation between AD and age, combined with the exponential growth of this demographic, highlights the need for non-pharmaceutical treatment/prevention strategies. Research has established a relationship between moderate to vigorous physical activity (PA) and improved cognitive functioning. However, there is insufficient evidence to support this relationship at the lower end of the PA spectrum. Assisted living facilities (ALF) are an easy target for reducing SB, as many individuals in these facilities have various functional limitations and therefore cannot meet the recommended PA guidelines. Older adults are also the most sedentary population, with results showing over 8.5+ hours daily spent in SB. ALF typically provide meals, laundry services as well as housekeeping duties, leaving the residents very susceptible to large amounts of SB. The primary purpose of my study is investigating how reducing sedentary behaviour (SB) in ALF will affect Alzheimer's Disease Assessment Scale-cognitive scores among older adults aged 65 and older with mild-to-moderate cognitive impairment. I will also investigate its effects on physical functioning with the Timed Up and Go test (TUG) and quality of life with the Short Form 36 (SF-36) Health Survey. Participants will be prompted to take a 10-minute light intensity PA break at three different time points throughout the day, reallocating SB to any task equating to over 1.5 metabolic equivalents. Positive findings may encourage ALF to implement policies and procedures regarding SB.

Condition or disease Intervention/treatment Phase
Cognitive Impairment Physical Functioning Quality of Life Sleep Behavioral: Reducing Sedentary Behaviour Group Not Applicable

Detailed Description:

Dementia is the leading cause of dependence and disability worldwide. With the nation's fastest growing demographic being adults over 65, the Lewy Body Dementia Association states that the current cost puts it higher than either heart disease or cancer; as the financial burden was estimated at $818 billion in 2015. Functional limitations such as a slower gait, muscle weakness (ex. grip strength), unintentional weight loss and self-reported exhaustion adds pressure on healthcare services. Older adults transitioning into assisted living facilities (ALF) will need assistance with activities of daily living; as this population is the most sedentary. Although exercise interventions show positive effects for the management of chronic diseases, as well as cognition and physical functioning, the Canadian Health Measures Survey reported that only 13% of older adults 60- 79 years old were meeting the physical activity (PA) guidelines set out by the World Health Organization. That said, research has yet to establish what benefits may come from the lower end of the PA spectrum; and there are no current guidelines for how long older adults should be sedentary. Research shows that large amounts of sedentary behaviour (SB) leads to an increased risk of all-cause mortality, independent from not meeting the PA guidelines (Ekelund et al., 2016). SB is defined as any waking behaviour characterized by an energy expenditure less than or equal to 1.5 metabolic equivalents while in a sitting or reclining posture. Alzheimer's Disease (AD) is the most common form of Dementia, accounting for 60-80% of cases; and Mild Cognitive Impairment (MCI) is generally used to refer to the transitional zone between normal cognitive functioning and clinically probable AD. With no current cure for AD, the need for effective non-pharmaceutical treatments are imperative.

The purpose of my study will be to investigate the effect of reducing SB on Alzheimer's Disease Assessment Scale-cognitive (ADAS-cog) scores among older adults aged 65 years and older with moderate cognitive impairment. Also, examine their changes in physical functioning and their quality of life. I hypothesize that the decline in ADAS-cog scores will be slower and physical scores as well as quality of life (QoL) scores will improve in the intervention group vs controls.

A clustered randomized control pilot study; involving an ALF in London, Ontario will be conducted. The intervention group will be prompted to take a 10-minute light intensity PA break three times throughout the day. The PA will be any task equating to over 1.5 metabolic equivalents and will be recorded in a simplified diary. Eligible subjects will undergo the following tests at baseline: 1) the Mini Mental State Examination and 2) the Community Healthy Activities Program for Seniors survey, 3) Timed Up and Go test (TUG) for physical functioning; 4) ADAS-cog for cognitive functioning; and 5) the Short Form- 36 Health Survey to assess QoL. Both groups will wear an activity tracker during a baseline period before the intervention to collect baseline levels of physical activity. Both groups will also be required to wear the activity monitor for a period during the intervention to check adherence. Following the intervention, the CHAMPS questionnaire will be re-administered along with the ADAS-cog, TUG and SF-36.

Research at the bottom end of the PA spectrum is crucial, as residents in ALF have various functional limitations; and many cannot meet the current PA guidelines. If improvements are shown from my study, this could contribute to the design of a policy that can be implemented into all ALF; lessening the burden on the health care system and loved ones.

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 21 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: REducing SEDENTary Behaviour in Senior Living Facilities: Examining Its Affect on the Progression of Mild Cognitive Impairment, Quality of Life and Physical Functioning: a Pilot Study.
Actual Study Start Date : June 1, 2018
Actual Primary Completion Date : December 31, 2018
Actual Study Completion Date : December 31, 2018

Resource links provided by the National Library of Medicine

Arm Intervention/treatment
Experimental: intervention- reducing SB
prompted to do 10min of light physical activity 3x/day
Behavioral: Reducing Sedentary Behaviour Group
Participants will be prompted to perform 10min of light physical activity (>1.5 METS) 3x/day for 6 weeks

No Intervention: Control
go about their normal daily living

Primary Outcome Measures :
  1. Alzheimers Disease Assessment Scale- Cognitive (ADAS-cog) [ Time Frame: 10 weeks ]
    The ADAS-Cog Sub-Scale is the standard cognitive outcome measure used in clinical trials for patients with mild to moderate Alzheimer's disease. The test consists of 11 brief cognitive tests assessing memory, language, praxis, attention and other cognitive abilities. Scores range from 0 to 70, with higher scores indicating greater severity of cognitive impairment

Secondary Outcome Measures :
  1. Short Form 36 Health Survey [ Time Frame: 10 weeks ]
    Used for measuring functional health status and wellbeing in older adults. The questionnaire consists of 36 questions and is designed to measure eight multi-item dimensions, covering functional status, well being and overall evaluation of health.

  2. Timed Up and Go test [ Time Frame: 10 weeks ]
    A test for measuring basic functional mobility. It consists of the time taken (in seconds) to stand up from a standard arm chair, walk 3 m, turn around, and walk back to the chair and sit down again

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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Ages Eligible for Study:   65 Years and older   (Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No


  • aged 65+ years old
  • residing in the ALF permanently
  • able to read, write and understand English
  • answer "yes" to "do you have difficulty with your memory"
  • get consent from their physician to participate in the study
  • diagnosed with mild- moderate cognitive impairment by obtaining a score of 14-29, inclusive, on the Mini Mental State Examination (Folstein, Folstein, & McHugh, 1975).


  • any physical condition or disability disallowing participation in PA
  • apparent evidence of any neurodegenerative disorders other than Alzheimer's disease
  • score of 6 or higher on the Geriatric Depression Scale (Almeida, 1999), due to the apparent presence of clinically significant depressive symptoms and finally

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT03439059

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Canada, Ontario
Western University
London, Ontario, Canada, N6G 1G9
Sponsors and Collaborators
Western University, Canada
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Principal Investigator: Harry Prapavessis, Ph.D Western University
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Responsible Party: Dr. Harry Prapavessis, Principal Investigator, Western University, Canada Identifier: NCT03439059    
Other Study ID Numbers: Sedentary Behaviour in Seniors
First Posted: February 20, 2018    Key Record Dates
Last Update Posted: January 10, 2019
Last Verified: January 2019
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

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Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by Dr. Harry Prapavessis, Western University, Canada:
Older adults
Sedentary behaviour
Assisted living facility
cognitive function
Additional relevant MeSH terms:
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Cognitive Dysfunction
Cognition Disorders
Neurocognitive Disorders
Mental Disorders