Table 2.

Characteristics of participants according to systolic inter-arm blood pressure difference (IAD) by IAD status ≥10 mmHg or <10 mmHg

Variable^a	IAD ≥10 mmHg (n= 212)	IAD <10 mmHg (n= 921)	P-value
Age, years	69.3 (12.9)	65.7 (15.7)	0.003
Female, n (%)	117 (55.2)	504 (54.7)	0.902
Current smokers, n (%)	38 (17.9)	180 (19.5)	0.590
Body mass index	26.8 (16.2)	27.2 (27.0)	0.210
Baseline MMSE score^b	26 (24 to 28)	27 (25 to 29)	0.025
Baseline Trails A score^b	76 (46 to 118)	65 (41 to 102)	0.003
Baseline Trails B score^b	157 (98 to 246)	138 (84 to 227)	0.026
Years in education^b	5 (4 to 8)	5 (5 to 8)	0.167
Years of follow-up	7.8 (7.6)	8.2 (8.1)	0.006
Systolic blood pressure	158.2 (20.9)	142.6 (20.5)	<0.001
Diastolic blood pressure	87.0 (9.0)	82.1 (9.3)	<0.001
Hypertension, n (%)	187 (88.2)	647 (70.3)	<0.001
Diabetes, n (%)	31 (14.6)	112 (12.2)	0.330
Vascular disease, n (%)	30 (14.2)	147 (16.0)	0.513
Cerebrovascular disease, n (%)	11 (5.2)	38 (4.1)	0.493

↵a Continuous data reported as mean (standard deviation).
↵b Non-normally distributed continuous data reported as median (interquartile range). IAD = systolic inter-arm blood pressure difference. MMSE = mini mental state examination.