Behavioural ‘nudging’ interventions to reduce low-value care for low back pain in the emergency department (NUDG-ED): protocol for a 2×2 factorial, before-after, cluster randomised trial
Gemma Altinger, Sweekriti Sharma, Chris G Maher, Louise Cullen, Kirsten McCaffery, Jeffrey A Linder, Rachelle Buchbinder, Ian A Harris, Enrico Coiera, Qiang Li, Kirsten Howard, Andrew Coggins, Paul M Middleton, Naren Gunja, Ian Ferguson, Trevor Chan, Karen Tambree, Ajay Varshney, Adrian C Traeger
BMJ Open Mar 2024, 14 (3) e079870; DOI: 10.1136/bmjopen-2023-079870