Pairwise t test comparisons revealed differences in change in cRT at both measurements between BIG and HOME groups ( intermediate : -@ ms ; @ % confidence interval -LSB- CI -RSB- , -@ / -@ ; P = @ ; follow-up : @ms ; CI , -@ / -@ ; P = @ ) and between WALK and HOME groups ( intermediate : -@ ms ; CI , -@ / -@ ; P = @ ; follow-up : -@ ms ; CI , -@ / -@ ; P = @ ) .