Table 1.

General characteristics of the nursing students enrolled during the 1st year of the study course (n = 520).

n = 520	Vaccination during Infancy (n = 436)	Vaccination during Adolescence (n = 84)	p-Value
Mean age ± DS	20.5 ± 1.6	29.3 ± 4.9	<0.001
Gender, n (%)
Male	147 (33.7)	34 (40.5)	0.14
Female	289 (66.3)	50 (59.5)
Years from vaccination, mean ± DS	20.5 ± 1.6	17.3 ± 4.9	<0.001
Anti-HBs titers, n (%)
<10 mIU/mL	298 (68.3)	26 (31.0)	<0.001
≥10 mIU/mL	138 (31.7)	58 (69.0)