Change in activity patterns in the prefrontal cortex in different phases during the dual-task walking in older adults

Table 1 characteristics of participants

Characteristic	Older adults (N = 20)	Younger adults (N = 15)	P
Age, years	67.05 ± 1.82	28.47 ± 3.65	< 0.001
Sex
Male/female	14/6	8/7	0.313
MoCA score	26.95 ± 1.82	28.13 ± 0.99	0.074
Education, years	14.10 ± 1.77	15.00 ± 1.00	0.073
TMTA, s	44.49 ± 8.24	28.82 ± 5.97	< 0.001
TMTB-TMTA, s	73.16 ± 29.08	27.62 ± 7.86	< 0.001
Total response, n	15.06 ± 4.03	16.97 ± 3.77	0.163
Correct response, n	14.75 ± 4.12	16.60 ± 3.85	0.185
Incorrect response, n	0.31 ± 0.52	0.37 ± 0.60	0.751
Accuracy, %	97.76 ± 3.64	97.63 ± 3.43	0.915
Error, %	2.44 ± 4.06	2.55 ± 3.74	0.932
Gait speed, m/s	1.20 ± 0.11	1.23 ± 0.07	0.261
SPPB, score	11.10 ± 1.12	NA	NA
GDS, score	8.75 ± 1.89	NA	NA
FES-I, score	18.50 ± 3.90	NA	NA

A chi-square test was performed for sex, while independent t-tests were conducted for the remaining variables. FES-I, Falls Efficacy Scale-International; GDS, Geriatric Depression Scale; K-MoCA, Korean-Montreal Cognitive Assessment; SPPB, Short Physical Performance Battery; TMTA, Trail Making Test A; TMTB, Trail Making Test B

ISSN: 1743-0003