Table 1 Demographic data and procedural duration of students nurses and doctors

Sex^a: n (%)

 female

21 (52.5%)

35 (87.5%)

5 (41.7%)

 male

16 (47.5%)

5 (12.5%)

7 (58.3%)

Level of experience^b: n (%)

 1 (1^st year student / nurse or doctor with 1–3 years of experience)

8 (20%)

9 (22.5%)

4 (33.3%)

 2 (2^nd year student / nurse or doctor with 4–6 years of experience)

15 (37.5%)

14 (35%)

2 (16.7%)

 3 (3^rd year student / nurse or doctor with 7–10 years of experience)

5 (12.5%)

5 (12.5%)

2 (16.7%)

 4 (4^th year student / nurse or doctor with > 10 years of experience)

12 (30%)

12 (30%)

4 (33.3%)

Prior intubation experience: n (%)

 yes

18 (45%)

7 (17.5%)

12 (100)

 no

22 (55%)

33 (82.5%)

0 (0%)

Preferred method: n (%)

 Semi-rigid tube

36 (90%)

26 (65%)

11 (91.7%)

 NG tube

4 (10%)

14 (35%)

1 (8.3%)

Laryngoscopy time^c mean (95% CI)

 Semi-rigid tube

35.2 (22.1–48.3)

42.0 (26.7–57.5)

24.4 (5.5–43.2)

 NG tube

89.1 (61.3–117)

80.1 (61.1–99.1)

39 (15.3–62.6)

p-value⁴

 < 0.0001

 < 0.0001

0.1320