Systematic Review of the Current Evidence for Interventions to Reduce Falls and Improve Safety on Stairs

Introduction

Stair falls cause approximately 230,000 injuries and 500 fatalities each year (Roys, 2001). Falls cost the NHS £4.6 million every day (AgeUK, 2010), and approximately £2 billion each year (GOV.UK, 2022), with falls on stairs accounting for the majority of these costs. However, the evidence about how to reduce stair falls is unclear. The aim of this systematic review was to establish which interventions are effective or show greatest potential to improve safety on stairs and reduce falls.

Methods

Five databases were searched: Medline, Scopus, Web of Science, PubMed and CINAHL. Papers were included if they were interventions or provided proof-of-principle to inform an intervention design. Papers were excluded if participants were under the age of 18, or were diagnosed with any clinical condition (disease outside that which we can expect from healthy ageing).

Results

No study reported fall occurrence as an outcome measure. Step-edge highlighters were the only intervention tested in real-world environments, as well as laboratories, and showed good proof of principle, feasibility and acceptability. Five intervention types were found that reduced fall risk in laboratory trials: lighting, horizontal-vertical illusions in ascent, stair dimensions (riser, going and pitch), avoiding multi-tasking and handrail use. These were successful in reducing mechanical demand (reducing or redistributing joint moments) and improving stepping behaviours associated with fall risk (reductions in magnitude and variability of foot clearances and overhang on the step).

Conclusion

This review has established there is no definitive evidence that any intervention reduced fall rates, but that some interventions show good proof-of-principle and feasibility: step-edge highlighters flush to the step edge, increased lighting levels, horizontal-vertical illusions in ascent, use of handrails, avoiding multi-tasking, riser heights 10.2-19cm, going lengths 22.5-32.5cm and reduced pitch angles. Future research must translate these interventions into real world settings and evaluate effectiveness to reduce fall rates.