Effects of intervention on working memory (DST)
SE
DST total scores increased in both groups at T1 and T2 (GEE analysis of differences between pretest and post-test working memory (n = 72)*Exp – experimental, DS – digit span, GEE – generalised estimating equation, CI – confidence interval, SE – standard error*Covariate variable: education; “second” – the measurement at immediate post-test, “third” – the measurement at one-month follow-up, “fourth” – the measurement at one-year follow-up.†Reference is control group.‡Reference is time (first).§Reference is group (CON) × time (baseline).