The effectiveness and cost-effectiveness of strength and balance Exergames to reduce falls risk for people aged 55 years and older in UK assisted living facilities: a multi-centre, cluster randomised controlled trial

Emma K. Stanmore*, Alexandra Mavroeidi, Lex D. de Jong, Dawn A. Skelton, Chris J. Sutton, Valerio Benedetto, Luke A. Munford, Wytske Meekes, Vicky Bell, Chris Todd

*Corresponding author for this work

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Abstract

Background: Falls are the leading cause of fatal and non-fatal unintentional injuries in older people. The use of Exergames (active, gamified video-based exercises) is a possible innovative, community-based approach. This study aimed to determine the effectiveness of a tailored OTAGO/FaME-based strength and balance Exergame programme for improving balance, maintaining function and reducing falls risk in older people.

Methods: A two-arm cluster randomised controlled trial recruiting adults aged 55¿years and older living in 18 assisted living (sheltered housing) facilities (clusters) in the UK. Standard care (physiotherapy advice and leaflet) was compared to a tailored 12-week strength and balance Exergame programme, supported by physiotherapists or trained assistants. Complete case analysis (intention-to-treat) was used to compare the Berg Balance Scale (BBS) at baseline and at 12¿weeks. Secondary outcomes included fear of falling, mobility, fall risk, pain, mood, fatigue, cognition, healthcare utilisation and health-related quality of life, and self-reported physical activity and falls.

Results: Eighteen clusters were randomised (9 to each arm) with 56 participants allocated to the intervention and 50 to the control (78% female, mean age 78¿years). Fourteen participants withdrew over the 12¿weeks (both arms), mainly for ill health. There was an adjusted mean improvement in balance (BBS) of 6.2 (95% CI 2.4 to 10.0) and reduced fear of falling (p¿=¿0.007) and pain (p¿=¿0.02) in the Exergame group. Mean attendance at sessions was 69% (mean exercising time of 33¿min/week). Twenty-four percent of the control group and 20% of the Exergame group fell over the trial period. The change in fall rates significantly favoured the intervention (incident rate ratio 0.31 (95% CI 0.16 to 0.62, p¿=¿0.001)). The point estimate of the incremental cost-effectiveness ratio (ICER) was £15,209.80 per quality-adjusted life year (QALY). Using 10,000 bootstrap replications, at the lower bound of the NICE threshold of £20,000 per QALY, there was a 61% probability of Exergames being cost-effective, rising to 73% at the upper bound of £30,000 per QALY.

Conclusions: Exergames, as delivered in this trial, improve balance, pain and fear of falling and are a cost-effective fall prevention strategy in assisted living facilities for people aged 55¿years or older.

Original languageEnglish
Article number49
JournalBMC Medicine
Volume17
DOIs
Publication statusPublished - 28 Feb 2019

Keywords

  • exercise
  • exergames
  • falls prevention
  • sheltered housing
  • intervention
  • strength
  • balance
  • RCT

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