Determinant associated with seropositivity for CMV: multivariate analysis including all determinants with a p-value<0.20 in the univariate analysis.

CI: Confidence Interval.
†Chi 2.
Variables with a p-value<0.20 in univariate analysis were included in the multivariate analysis.
Final logistic regression model was obtained with a backward elimination and with comparison of the Akaike Information Criterion (AIC).
*3 missing values.