did not reach statistical significanceP value > 0.05
Moreover, regarding mumps seroimmunity, age did not reach statistical significance in both univariate (OR = 1.072, 95% CI = 0.917–1.253, P value > 0.05) and multivariate (AOR = 1.117, 95% CI = 0.922–1.353, P value > 0.05) analyses.