Table 2.

Multivariable logistic regression analysis related to vaccination status through the campaign in Vietnam.

		Univariate analysis		Multivariate analysis
	Vaccinated	OR	95% CI	Adjusted OR	95% CI
Age group	under 30	0.5	0.4 – 0.8	0.5	0.4 – 0.8
	30 –39	0.6	0.4 – 0.9	0.6	0.4 – 0.8
	40 – 49	0.7	0.5 – 1.1	0.7	0.5 – 1.1
	≥50	Reference	-	Reference	-
Sex	male	0.9	0.8 – 1.2	0.9	0.7 – 1.2
	female	Reference	-	Reference	-
Education level	secondary school or lower	1.2	0.4 – 3.4	0.8	0.3 – 2.4
	high school	1.1	0.7 – 1.8	0.7	0.4 – 1.3
	junior college	1.0	0.7 – 1.4	0.9	0.6 – 1.4
	university	0.9	0.7 – 1.3	0.9	0.6 – 1.4
	post-graduate	Reference	-	Reference	-
Specialization	Others*	1.8	1.2 – 2.6	2.0	1.2 – 3.2
	Midwives	0.9	0.6 – 1.4	1.1	0.7 – 1.9
	Office worker	1.4	0.9 – 2.2	1.6	1.0 – 2.7
	Technician	1.0	0.7 – 1.5	1.2	0.7 – 2.0
	Nurse	1.3	0.9 – 1.7	1.5	1.0 – 2.4
	Physician	Reference	-	Reference	-

^*all other employees, including pharmacists, engineers, researchers, guards, and service staff.

Significant differences are marked in bold