Table 1. Demographic and professional characteristics of participants.

Participant characteristics	Total (N=20)
Age, years, median [Q1, Q3]	38 [33, 50]
Gender, n [%]
Male	15 [75]
Female	5 [25]
Practice category, n [%]
Pulmonary-critical care medicine attending	2 [10]
Anesthesiology attending	1 [5]
Pulmonary-critical care medicine fellow	7 [35]
Anesthesiology resident	1 [5]
Medical student	1 [5]
Respiratory therapist	7 [35]
Physician assistant	1 [5]
Years graduated from professional school
Median [Q1, Q3]	6 [4, 7]
Missing, n [%]	2 [10]
Number of previous intubations
Median [Q1, Q3]	21 [6, 40]
Missing, n [%]	2 [10]
Self-perceived level of expertise, n [%]
Beginner	10 [53]
Experienced	8 [42]
Expert	1 [5]
Missing	1 [5]