Table 1.

Baseline characteristics of study participants. No. (%)

Characteristic	All, N=50	SynDA group, n=24	Control group, n=26
Sex:
Female	29 (58%)	12 (50%)	17 (65%)
Age in years, median (IQR)	58.5 (46.3, 71.5)	54.5 (45.3, 70)	60 (47.8, 73)
Race/Ethnicity:
Black/African-American	18 (36%)	7 (29%)	11 (42%)
Hispanic/Latino	10 (20%)	5 (21%)	5 (19%)
White	17 (34%)	10 (42%)	7 (27%)
Asian	1 (2%)	0 (0%)	1 (4%)
Other	4 (8%)	2 (8%)	2 (8%)
Control Preferences Scale:
1	3 (6%)	3 (13%)	0 (0%)
2	15 (30%)	8 (33%)	7 (27%)
3	23 (46%)	10 (42%)	13 (50%)
4	4 (8%)	2 (8%)	2 (8%)
5	2 (4%)	0 (0%)	2 (8%)
Numeracy score, mean (SD)	12.9 (2.6)	13.2 (2.6)	12.6 (2.6)
Health Literacy score, mean (SD)	5.3 (2.7)	5.0 (2.6)	5.5 (2.8)
Education:
Some High School	2 (4%)	1 (4%)	1 (4%)
High School Graduate/GED	7 (14%)	3 (13%)	4 (15%)
Some College	15 (30%)	8 (33%)	7 (27%)
College Graduate	10 (20%)	4 (17%)	6 (23%)
Graduate School	16 (32%)	8 (33%)	8 (31%)
Income:
Less than $20,000	9 (18%)	2 (8%)	7 (27%)
$20,000 to $29,999	5 (10%)	1 (4%)	4 (15%)
$30,000 to $39,999	4 (8%)	2 (8%)	2 (8%)
$40,000 to $59,999	5 (10%)	3 (13%)	2 (8%)
$60,000 to $79,999	3 (6%)	3 (13%)	0 (0%)
$80,000 to $99,999	3 (6%)	2 (8%)	1 (4%)
$100,000 or more	9 (18%)	4 (17%	5 (19%)
Rather Not Say	12 (24%)	7 (29%)	5 (19%)
Canadian Syncope Risk Score:
Low: 0 (≈2% risk)	9 (18%)	3 (13%)	6 (23%)
Medium: 1 (≈3% risk)	28 (56%)	13 (54%)	15 (58%)
Medium: 2 (≈5% risk)	13 (26%)	8 (33%)	5 (19%)

IQR: Interquartile range; SD: Standard Deviation; GED: General Educational Development;