Flooring for Injury Prevention Trial

Study Overview
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Brief Summary
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This study will evaluate the efficacy of novel compliant flooring in reducing injuries due to falls in a long-term care facility, determine the cost effectiveness of this intervention, and assess perceptions about compliant flooring among staff, residents, and families. The investigators hypothesize that compliant flooring will (1) reduce the incidence of injuries due to falls in long-term care residents; (2) represent an overall cost-savings when material and implementation costs are considered relative to direct and indirect costs associated with injuries due to falls; and (3) be received positively by staff, residents, and their family members.

Detailed Description
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Falls are the number one cause of unintentional injury among older adults in Canada, and are responsible for economic costs in excess of $1 billion CAD annually. In high-risk environments, such as long-term care (LTC) facilities, 60% of residents will experience at least one fall each year. Moreover, approximately 30% of falls in LTC residents result in injury, and 3 to 5% cause fractures. A promising strategy for reducing the incidence of fall-related injuries in LTC facilities is to decrease the stiffness of the ground surface, and the subsequent force applied to the body parts at impact. Purpose-designed compliant flooring can reduce the force applied to the hip during a fall by up to 35 % (to allow a raw egg to be successfully bounced without cracking). Yet, few LTC facilities have flooring designed to reduce the impact of falls. This study will address this gap. Resident rooms at a local LTC facility will be randomly assigned to installation of compliant flooring or control (non-compliant) flooring. Following installation, primary and secondary outcomes, including fall-related injuries and falls, will be monitored for 4 years and compared between resident rooms with and without compliant flooring. In addition, health resource utilization and their costs will be compared between resident rooms with and without compliant flooring. Perceptions about compliant flooring will be assessed among staff, residents, and their families.

Official Title
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Randomized Controlled Trial of Compliant Flooring to Reduce Injuries Due to Falls in Older Adults in a Long-Term Care Facility

Conditions
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Accidental Falls, Bone Fracture, Traumatic Brain Injury, Head Injuries, Closed, Nursing Homes

Intervention / Treatment
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* Other: SmartCell flooring
* Other: Plywood flooring


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria (for rooms): Resident rooms across four units at New Vista Society Care Home, a long-term care facility in Burnaby, BC, Canada Exclusion Criteria (for rooms): Resident rooms across four units at New Vista Society Care Home in which new flooring cannot be installed
Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Prevention
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Compliant Flooring (CF)<br>Compliant flooring | Other: SmartCell flooring<br>* SmartCell (SATECH Inc., Chehalis, WA, USA) is a continuous rubber surface layer supported by an array of cylindrical rubber columns 14 mm in diameter, and spaced at 19 mm intervals. It has a surface hardness of 50 durometer. It has been reported to provide approximately 35% peak force attenuation during mechanical tests that simulate falls on the hip. It has also been reported to have minimal effect on balance and mobility of older women during activities of daily living. It will be covered with hospital-grade vinyl and will be inspected regularly for maintenance requirements.<br>|
| Placebo Comparator: Control (CON)<br>Non-compliant flooring | Other: Plywood flooring<br>* Plywood flooring covered with the same hospital-grade vinyl as the SmartCell flooring.<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Fall-related injuries | Moderate and serious injuries that result from falls in resident rooms. Assessed from incident and follow-up reports at participating long-term care facility. | 4 years | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Falls | Falls in resident rooms. Assessed from incident reports at participating long-term care facility. | 4 years | 
| Fractures | Fractures in resident rooms. Assessed from incident and follow-up reports at participating long-term care facility. | 4 years | 
| Health resource utilization | Hospital transfers and admissions, emergency room visits, length of hospital stay, physician visits, physiotherapy and occupational therapy visits, nursing visits, diagnostic and lab procedures. | 4 years | 
| Musculoskeletal injuries | Work-related musculoskeletal injuries experienced by staff at participating long-term care facility. | 4 years | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Falls, Fall injuries, Bone fracture, Hip fracture, Skull fracture, Wounds, Closed head injury, Traumatic brain injury, Concussion, Spinal cord injury, Trauma, Older adults, Long-term care, Compliant flooring, Safety floors, Balance, Injury biomechanics, Biomedical engineering, Environmental hazards, Environmental interventions, Fall prevention, Gerontology