Table 3 Multivariable analysis of knowledge

Age (years)

  < 30

REF

REF

  31–40

1.844 (1.331–2.556)

< 0.001

0.770 (0.420–1.410)

0.397

  ≥ 40

1.499 (1.079–2.081)

0.016

0.440 (0.201–0.963)

0.040

Gender

  Male

REF

  Female

0.913 (0.714–1.167)

0.466

Education

Bachelor’s degree/below

REF

REF

Master’s degree/above

1.595(1.228–2.072)

<0.001

1.405(1.042–1.895)

0.026

Professional title

  Non-title

REF

REF

  Primary title

1.245 (0.7402.094)

0.410

1.252 (0.719–2.180)

0.427

  Middle title

1.937 (1.201–3.125)

0.007

2.185 (1.009–4.733)

0.047

  Senior title

2.760 (1.708–4.458)

< 0.001

4.704 (1.988–11.127)

< 0.001

Years of anesthetic practice after obtaining board certification

  ≤ 5

REF

REF

  5–10

2.020 (1.368–2.985)

< 0.001

1.542 (0.828–2.872)

0.173

  11–15

1.979 (1.340–2.922)

0.001

1.248 (0.604–2.578)

0.550

  ≥ 16

1.820 (1.306–2.535)

< 0.001

1.252 (0.526–2.980)

0.612

Hospital grade

  Tertiary hospitals

1.689 (1.282–2.225)

< 0.001

1.567 (1.167–2.102)

0.003

  Non-tertiary hospitals

REF

REF