Continuous variables Mean (SD) Correlations for speed score (p values)* Correlations for error score (p values)*
Age (years) 76.3 (7.5)  0.30 (0.001)  0.32 (<0.001)
Time since stroke (days) 94.8 (87.5)  0.05 (0.63) -0.08 (0.37)
Comorbidities (#) (n=115)   2.1 (1.4)  0.16 (0.09) -0.02 (0.84)
Neurological score (CNS; /11.5)      
24 hours after stroke (n=115)   7.9 (2.1) -0.02 (0.86) -0.09 (0.33)
T1 (n=117)   9.9 (1.4) -0.23 (0.01) -0.12 (0.20)
Categorical variables Frequency (%) Stroop speed score, sec (p values**) Stroop error score, amount     (p values**)
Gender      
Women   51 (43.2) 75.3       (0.50) 5.5 (0.21)
Men   67 (56.8) 74.6 4.3
Type of stroke (n=113)      
Ischemic 102 (86.4) 73.2       (0.07) 4.6 (0.40)
Hemorrhagic   11 (9.3) 99.2 6.1
Stroke location      
Right   53 (44.9) 60.1       (0.01) 4.2 (0.71)
Left   56 (47.5) 90.8 5.2
Bilateral     9 (7.6) 63.6  
Previous stroke      
Yes   40 (33.9) 96.1       (0.005) 5.8 (0.15)
No   78 (66.1) 64.1 4.3
Hemineglect (n=117)      
No 101 (86.3) 76.4       (0.51) 4.9 (0.33)
Yes 16 (13.7) 64.7 4.3
Walking aid      
No   67 (56.8) 74.5       (0.02) 4.3  (0.16)
Yes   51 (43.2) 73.0 5.4
Dominance before stroke      
Right 110 (93.2) 75.8 (0.56) 4.9 (0.97)
Left 5 (4.2) 67.3 4.4
Ambidextrous     3 (2.5) 56.6 3.7
Marital status      
No spouse   52 (44.1) 71.7       (0.42) 5.2 (0.01)
Spouse   66 (55.9) 74.3 4.1
Principal occupational activity before stroke (n=117)
Working or volunteering   13 (11.1) 60.5       (0.29) 2.4 (0.002)
Retired 104 (88.9) 77.2 5.2
Oral expression (n=117)      
With difficulty 30 (25.6) 92.3 (0.005) 6.0 (0.24)
Normal expression   87 (74.4) 69.0 4.4
Last health service      
Acute care hospital   52 (44.1) 71.1       (0.83) 5.0 (0.50)
Rehabilitation (GDH, IRU)   66 (55.9) 77.9 4.6
CNS: Canadian Neurological Scale
GDH = Geriatric day hospital, IRU = Inpatient rehabilitation unit
* Pearson’s correlation coefficients
** T test or ANOVA
Table 1: Characteristics of participants at T1 (n=118) and associations with Stroop Test (speed and error) at T2