From: Long -term persistence of antibodies against varicella in fully immunized healthcare workers: an Italian retrospective cohort study
Predictor
aOR
95%CI
p-value
Age at enrollment (years)
0.71
0.60–0.83
< 0.0001
Sex (male vs. female)
1.73
1.04–2.88
0.034
Chronic disease (yes/no)
0.97
0.58–1.62
0.897
Age at the time of the first vaccine dose, basal routine
1.46
1.27–1.67