3. Results
anxiety
First, we investigated the baseline differences and compared subjective ratings for the drinks among the groups using analysis of variance (permutation ANOVA). There were no significant effects of age (We then performed GLMM analysis with 3 (drinks: 15-g, 10-g, and 0-g milk protein) by 3 (time: before the drink intake, 15 min after the drink intake, and 60 min after the drink intake) for each cognitive assessment (For the additional analysis of mood state, we also did not find any significant interactions on POMS (tension–anxiety: 