Hepatitis B Birth Dose Vaccination among Vietnamese Children: Implications for the Expanded Program on Immunization

Table 2

Selected factors associated with receiving timely the birth dose of hepatitis B vaccination among children aged 0-23 months, 2014: multivariate logistic regression analysis (n=1382).

Characteristics	OR (95% CI)
Sex
Male	1
Female	1.03(0.79,1.34)
Low birth weight
Yes
No	2.13(1.16,3.89)
Ethnicity
Minority	1
Kinh/Hoa	3.15(2.04,4.88)
Area
Rural	1
Urban	1.25(0.86,1.82)
Mother’s age
<20	1
20-35	2.24(1.26,3.98)
36-49	2.17(1.1,4.31)
Mother’s education
Primary or less	1
Lower secondary	1.68(1.11,2.53)
Upper secondary and tertiary	1.74(1.13,2.67)
Mother’s wealth status
1st quintile (poorest)	1
2nd quintile	1.65(1.06,2.56)
3rd quintile	1.18(0.73,1.9)
4th quintile	2.06(1.17,3.64)
5th quintile (richest)	1.17(0.65,2.11)

OR: Odd ratio; CI: confidence interval
: significant at 0.05, 0.01, and 0.001, respectively.