Participant characteristics
Thirty participants were recruited; 9 (30%) anaesthetic/ICU junior and senior medical staff, 20 (67%) Operating Department Practitioners, Assistant Theatre Practitioners and ICU nurses and 1 (3%) student Operating Department Practitioner (Table 1). Seven (23%) participants had experience in applying cricoid pressure 1-10 times, 11 (37%) 10-100 times and 12 (40%) over 100 times.