Table 2.

Intervention effects measured via 6- and 12-month surveys.

		Baseline to 6 months		Baseline to 12 months
		mHealth+CP effect (95% CI)	P value	mHealth+CP effect (95% CI)	P value
Quality of life and self-care
	MLHFQa	+2.66 (-1.51 to 6.82)	.21	0.74 (-4.62 to 4.77)	.98
	HFSCBb	-2.33 (-6.00 to 1.35)	.21	-1.08 (-4.74 to 2.58)	.56
	Adherent to HF Rxc	+8.8% (1.2-16.5)	.02	+13.8% (3.7-23.8)	.01
Relationship quality d
	Talk 2+ times/ week	+10.2% (0.0-20.5)	.048	0.02% (-8.8%, 12.1%)	.76
	Negative emotionse	-9.9% (-19.8 to -0.1)	.049	-13.8% (-23.4 to -4.2)	.01
	Perceived difficultyf	-2.3% (-10.1 to 5.5)	.56	-8.3% (-16.6 to 0.0)	.049

^aMinnesota Living with Heart Failure Questionnaire Scores. Lower scores indicate better functioning.

^bRevised Heart Failure Self-Care Behavior Scale. Higher scores indicate better HF self-care.

^cPatients’ likelihood of reporting perfect HF medication adherence over the prior 30 days as measured by the four HFSCB items focused on heart failure medication use (see Methods).

^dPatients’ reports regarding their relationship with their CarePartner.

^ePatients’ likelihood of reporting regularly experiencing any of six negative emotions when talking with their CarePartner (sadness, loneliness, anger, tension, guilt, or frustration).

^fPatients’ likelihood of agreeing that it is “difficult to talk to [their] CarePartner about [their] illness”.