Table 1.

Demographics of Patients and Partners by Study Group

	P Only Group n = 151	P+P Group n = 150	Comparison Test
Characteristics	Frequency (%)	Frequency (%)	X2 , P-value
	PT Gender			X2 = 1.98, p = .16
Male	106 (70.2)	116 (77.3)
Female	45 (29.8)	34 (22.7)
PR Gender			X2 = 2.39, p = .12
Male	45 (29.8)	33 (22.0)
Female	106 (70.2)	117 (78.0)
PT ICD Indication			X2 = 03, p = .87
Primary	91 (60.3)	89 (59.3)
CRT-D	49 (16.5)	42 (14.1)
Secondary	60 (39.7)	61 (40.7)
PT Race/Ethnicity			X2 = 4.35, p = .36
Caucasian	136 (90.1)	138 (92.0)
American Indian/Alaskan	4 (2.6)	2 (1.3)
Asian/Pacific Islander	3 (2.0)	0 (0)
Black/African	6 (4.0)	6 (4.0)
Hispanic/Latino	2 (1.3)	4 (2.7)
PR Race/Ethnicity			X2 = 7.17, p = .13
Caucasian	133 (88.1)	133 (88.7)
American Indian/Alaskan	3 (2.0)	6 (4.0)
Asian/Pacific Islander	6 (4.0)	1 (0.7)
Black/African	3 (2.0)	7 (4.7)
Hispanic/Latino	6 (4.0)	3 (2.0)
Annual Income			X2 = 2.98, p = .70
<$10,000	2 (1.3)	6 (4.0)
$10,000 – $49,999	66 (43.7)	58 (38.7)
$50,000 – $89,999	48 (31.4)	45 (30.0)
$90,000 or >	32 (21.2)	37 (24.7)
Not willing to answer	3 (2.0)	4 (2.7)
	mean ± sd	mean ± sd	T-test, P-value
PT Age	65.01 ± 11.26	63.26 ± 12.50	t = 1.28, p = .20
PR Age	63.46 ± 11.65	61.46 ± 13.06	t = 1.40, p = .16
PT Charlson	2.26 ± 1.44	2.32 ± 1.53	t = −0.36, p = .72
PR Charlson	0.73 ± 0.99	0.71 ± 1.16	t = 0.12, p = .90
PT EF (%)	33.79 ± 13.49	34.38 ± 15.17	t = 0.36, p = .72

PT=patient, PR=partner, BMI=body mass index, EF=ejection fraction, X²=Chi square.