“…Overall, the studies, published between January 2002 and June 2023, constituted a diverse participant population; sample sizes ranged from 5 to 41 with a total of 342 healthcare staff participants across the studies. Healthcare staff participants within the studies were mainly nursing and care staff, and worked in a variety of settings including the emergency department (Chapman et al, 2016), pediatric general hospitals (Brenner et al, 2014;Lombart et al, 2020;Svendsen et al, 2017), inpatient adult mental health (Bailey et al, 2021;Bigwood & Crowe, 2008;Bonner et al, 2002;Duffy et al, 2023;Meehan et al, 2022;Moran et al, 2009;Perkins et al, 2012;Sequeira & Halstead, 2004;Wilson et al, 2017), inpatient adult forensic mental health (Meehan et al, 2022;Moyles et al, 2023), inpatient child and adolescent mental health-eating disorders (Kodua et al, 2020), inpatient child and/or adolescent mental health-general Meehan et al, 2022), residential childcare (Steckley & Kendrick, 2008), and residential and inpatient learning disability services (Fish & Culshaw, 2005;Hawkins et al, 2005). Across studies, healthcare staff participants' ages ranged from 18 years to at least 63 years, and their experience of working within their specialties ranged from up to two weeks to at least 40 years.…”