“…More recent research has explored the characteristics of users (De San Miguel et al, 2015;Nyman & Victor, 2014) and older people's perspectives on using personal alarms and reasons for nonuse (De San Miguel & Lewin, 2008;Heinbuchner, Hautzinger, Becker, & Pfeiffer, 2010;Johnston, Grimmers-Sommers, & Sutherland, 2010;Levine & Tideiksaar, 1995;Mann, Belchior, Tomita, & Kemp, 2005). While some of these studies have reported perceived benefits, there are still gaps in knowledge in terms of what impact an alarm has on particular health outcomes.…”