Table 3.

Univariate and multivariate logistic regression

Characteristic	Odds Ratio[95% CI]	P-value
Univariate analysis
Age
21–30	Reference
31–40	0.88[0.54–1.43]	0.61
41–50	0.79[0.35–1.79]	0.57
51–60	1.34[0.18–9.70]	0.76
Gender
Female	Reference
Male	0.75[0.49–1.12]	0.16
Designation
Intern	Reference
Resident	1.02[0.58–1.80]	0.92
Faculty	2.0[1.0–4.01]	0.04*
Others	1.63[0.96–2.74]	0.06
BLS course
No	Reference
Yes	3.43[2.28–5.15]	< 0.001*
Education
Nurses	Reference
Doctors	6.89[4.06–11.70]	< 0.001*
Dentists	1.81[1.07–3.07]	0.02*
Years since graduation
0–5	Reference
6–10	0.36[0.20–0.63]	< 0.001*
> 10	1.26[0.62–2.55]	0.50
Multivariate analysis
Education
Nurses	Reference
Doctors	5.89[2.91–11.89]	< 0.001*
Dentists	1.30[0.69–2.45]	0.41
Years
0–5	Reference
6–10	0.46[0.24–0.88]	0.02*
> 10	1.80[0.79–4.10]	0.16
BLS course
No	Reference
Yes	2.19[1.34–3.56]	0.002*
Designation
Intern	Reference
Resident	2.41[1.19–4.90]	0.01*
Faculty	3.49[1.51–8.05]	0.003*
Others	1.85[1.00–3.41]	0.04*

Hosmer-Lemeshow goodness-of-fit; 0.47; χ2 = 6.59

CI Confidence interval; *P<0.05