Tab. II.

Results of a logistic regression model estimating predictors of an anti-HBs titer < 10 mIU/mL in HBV vaccinated subjects.

Outcome: anti-HBs titer < 10 mIU/mL N = 621	OR	95% CI	P-value
Gender Male Female	1.0 1a	0.6-1.4	0.81
Age at HBV vaccination Infancy (0-3 years) Adolescence (10-16 years)	0.2 1a	0.1-0.8	0.02
Vaccine dose Pediatric Adult	0.7 1a	0.2-1.9	0.48
Time since vaccination < 15 years 15-19 years ≥ 20 years	1a 1.9 0.9	0.7-5.5 0.2-3.4	0.12 0.84

CI: Confidence Interval

^a: reference category.