Population
The study was conducted over one working day at the City and Sandwell
Hospitals in the West Midlands region of the United Kingdom. Thirty
Intensive Care Unit (ICU) and operating theatre (OT) doctors and nurses
who assist or carry out rapid sequence induction (RSI) as part of their
job role were eligible to participate and recruitment was according to
convenience sampling and direct approach (Figure 4). Information on job
roles and previous experience of applying cricoid pressure was
collected. All participants were required to have previously carried out
cricoid pressure on a patient.