Table 1.

Determinants of seropositivity at study enrollment according to a multivariate logistic regression model

Determinant	aOR	95%CI	p-value
Age at enrollment (years)	0.99	0.82–1.19	0.904
Sex (male vs. female)	0.36	0.28–0.72	0.003
Chronic disease (yes/no)	0.86	0.44–1.68	0.650
Age at the time of the first vaccine dose, basal routine	0.84	0.74–0.95	0.006
Age at the time of the second vaccine dose, basal routine	1.13	0.95–1.33	0.157

Hosmer-Lemeshow Χ² = 5.8; p = 0.675