Fig. 3.

Longitudinal changes in STAI-T scores
There were no significant differences among the age groups.
We applied a Mann-Whitney U test and Bonferroni correction after conducting a Kruskal-Wallis test.
STAI-T: State-Trait Anxiety Inventory-Trait

Longitudinal changes in STAI-T scores
There were no significant differences among the age groups.
We applied a Mann-Whitney U test and Bonferroni correction after conducting a Kruskal-Wallis test.
STAI-T: State-Trait Anxiety Inventory-Trait