a decreasing trendp = 0.385
In the PBNA, the 10–19 age group had significantly reduced titers ( β = –879, p = 0.012), while the >19 groups also showed a decreasing trend ( β = –519, p = 0.385), albeit without statistical significance.
In the PBNA, the 10–19 age group had significantly reduced titers ( β = –879, p = 0.012), while the >19 groups also showed a decreasing trend ( β = –519, p = 0.385), albeit without statistical significance.