Table 2.

Categorical Demographic & Diagnostic Characteristics of Participants & Affected Children of Proxy Probands

Participant Characteristic (53 adult participants)	n (%)
Gender	n = 53
Male	19 (36)
Female	34 (64)
Highest Education Completed	n = 48
Less than high school	1 (2)
High school or GED	9 (19)
Some college	6 (13)
2-year degree	14 (29)
4-year degree	12 (25)
Master’s degree	6 (13)
Race/ Ethnicity	n = 53
Hispanic White	2 (4)
Non-Hispanic White	51 (96)
Disease Characteristics (48 adult probands and 5 affected children of the proxy probands)	n (%)
Cardiac Diagnosis*	n = 53
Hypertrophic cardiomyopathy	30 (57)
Long QT syndrome	23 (43)
Genetic Test Status*	n = 53
Positive	30 (57)
Negative	1 (2)
Variant of uncertain significance	1 (2)
Currently awaiting genetic test results	5 (9)
No genetic testing done	14 (27)
Did not personally test, but identical twin tested positive	1 (2)
Blood drawn but testing not completed because of billing discrepancy	1 (2)

^*indicates the sample included the characteristics of the affected child for the 5 proxy probands.