Assessment of Immunization to Hepatitis B Vaccine among Children under Five Years in Rural Areas of Taiz, Yemen

Table 4

Comparison of the geometric mean of protective Anti-HBs levels (≥10 IU/L) in HBV vaccinated children by age groups by one-way ANOVA.

Age (years)	No	Anti-HBs geometric mean		value
<1	27	189.3004	3.229	0.014
1 to <2	49	60.0875
2 to <3	29	99.9618
3 to <4	28	81.4639
4 to <5	65	21.2379
Total	198	56.1740