Table 1.

Demographic differences between treatment and control groups in randomized subjects who decided during the study. Data are reported as percent (n) for categorical variables, or as mean (standard deviation) for numeric variables as indicated

Variables	Intervention arm (N = 158)	Control arm (N = 97)	p-Value
Mean age (years)	65.4 (14.1)	66.4 (12.2)	0.56
Sex (female)	48.1% (76)	46.4% (45)	0.80
Payor
Private Medicare MediCal	43.0% (68) 56.3% (89) 0.63% (1)	41.2% (40) 56.7% (55) 2.1% (2)	0.69
Marital status
Married	57.0% (90)	52.6% (51)	0.87
Single	15.8% (25)	17.5% (17)
Divorced/widowed	18.4% (29)	21.7% (21)
Other/unknown	8.9% (14)	8.3% (8)
Race
White Black Asian Other	71.5% (113) 5.7% (9) 5.7% (9) 17.1% (27)	73.2% (71) 10.3% (10) 1.0% (1) 15.5% (15)	0.16
Ethnicity Hispanic Not Hispanic unknown	7.6% (12) 88.6% (140) 3.8 (6)	5.2% (5) 90.7% (88) 4.1% (4)	0.81
Clinic type
Advanced therapies Arrhythmia Faculty General	5.1% (8) 9.5% (15) 46.8% (74) 38.6% (61)	11.3% (11) 7.2% (7) 52.6% (51) 28.9% (28)	0.14