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J Alzheimers Dis Parkinsonism. 2016 Aug;6(4). pii: 253. doi: 10.4172/2161-0460.1000253. Epub 2016 Aug 9.

Effect of Moderate to Vigorous Physical Activity Intervention on Improving Dementia Family Caregiver Physical Function: A Randomized Controlled Trial.

Author information

1
Adult Health and Gerontological Nursing, Rush University Medical Center, 600 South Paulina, AAC Suite 1080, Chicago, IL, 60612, USA.
2
American Joint Replacement Registry, 9400 West Higgins Road, Rosemont, IL, 60018, USA.
3
CJE Senior Life, 3003 W. Touhy Avenue, Chicago, IL 60645, USA.
4
Community, Systems and Mental Health Nursing, Rush University Medical Center, 600 South Paulina, AAC Suite 1080, Chicago, IL, 60612, USA.
5
Department of Internal Medicine, Rush Institute for Healthy Aging, Rush University Medical Center, 1645 West Jackson, Suite 675, Chicago, IL 60612, USA.
6
Department of Medical Affairs, Omada Health, Hoover Pavilion, Room N229, 211 Quarry Rd, Palo Alto, CA 95305-5705, USA.
7
Rush Institute for Healthy Aging and Adult Health and Gerontological Nursing, Rush University Medical Center, USA.
8
Neurological Sciences and Behavioral Sciences, Rush Alzheimer's Disease Center, Rush University Medical Center, 600 S. Paulina, Chicago, IL, 60612, USA.
9
Department of Family Medicine and Rush Alzheimer's Disease Center, Rush University Medical Center, 600 S. Paulina, Suite 1022, Chicago, IL, 60612, USA.

Abstract

OBJECTIVE:

Alzheimer's disease and related dementias (ADRD) affect more than five million Americans and their family caregivers. Caregiving creates challenges, may contribute to decreased caregiver health and is associated with $9.7 billion of caregiver health care costs. The purpose of this 12 month randomized clinical trial (RCT) was to examine if the Enhancing Physical Activity Intervention (EPAI), a moderate to vigorous physical activity (MVPA) treatment group, versus the Caregiver Skill Building Intervention (CSBI) control, would have greater: (1) MVPA adherence; and (2) physical function.

METHODS:

Caregivers were randomly assigned to EPAI or CSBI (N=211). MVPA was assessed using a self-report measure; and physical function was objectively assessed using two measures. Intention-to-treat analyses used descriptive, categorical and generalized estimating equations (GEE), with an exchangeable working correlation matrix and a log link, to examine main effects and interactions in change of MVPA and physical function over time.

RESULTS:

At 12 months, EPAI significantly increased MVPA (p=<0.001) and number of steps (p=< .01); maintained stable caregiving hours and use of formal services; while CSBI increased hours of caregiving (p=<0.001) and used more formal services (p=<0.02). Qualitative physical function data indicated that approximately 50% of caregivers had difficulties completing physical function tests.

CONCLUSION:

The EPAI had a stronger 12 month effect on caregiver MVPA and physical function, as well as maintaining stability of caregiving hours and formal service use; while CSBI increased caregiving hours and use of formal services. A study limitation included greater EPAI versus CSBI attrition. Future directions are proposed for dementia family caregiver physical activity research.

KEYWORDS:

Alzheimer’s disease; CHAMPS; Family caregiving; Senior physical fitness tests: 2 min step test and 30 s chair stand test

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