Table 2.

Baseline sociodemographic data of enrolled participants (n=51).

Characteristic			Intervention (n=26)		Control (n=25)	P value
Age, mean (SD)			66.7 (8.6)		66.8 (8.7)	.97
Female, n (%)			6 (23)		5 (20)	.79
Hispanic or Latino, n (%)			1 (4)		2 (8)	.70
White race, n (%)			19 (73)		22 (88)	.37
Married, n (%)			23 (88)		19 (76)	.19
Employed, n (%)			10 (38)		13 (52)	.33
College graduate, n (%)			18 (69)		16 (64)	.92
Physically active, n (%)			20 (63)		16 (57)	.50
PHQ-9a, median (IQR)b			1 (0, 3)		2 (0, 3)	.53
EXSEc, median (IQR)			10 (9.9, 10)		9.9 (8.4, 10)	.07
6MWTd (meters), mean (SE)			430 (112)		429 (97)	.96
Causes for enrollment in cardiac rehabilitation, n (%)
	Ischemic heart diseases	19 (73)		22 (88)		.19
	Heart failure	4 (15)		1 (4)		.18
	Valvular heart disease	2 (8)		1 (4)		.58
	Structural heart disease	1 (4)		1 (4)		.98

^aPHQ-9: Physical Health Questionnaire for depression.

^bIQR: Interquartile range.

^cEXSE: Exercise Self-Efficacy Scale.

^d6MWT: 6-minute walk test.