The Dyadic Effects of Self-Efficacy on Quality of Life in Advanced Cancer Patient and Family Caregiver Dyads: The Mediating Role of Benefit Finding, Anxiety, and Depression

Table 3

Pearson correlations and paired differences of all the outcome variables between cancer patients and family caregivers (n = 772).

Outcome variables	Cancer patients (mean ± SD)	Family caregivers (mean ± SD)	r	value	t	value
Self-efficacy	76.1 ± 19.5	81.2 ± 17.5	0.418	<0.001	−7.473	<0.001
Benefit finding	59.7 ± 13.7	60.1 ± 13.8	0.437	<0.001	−0.788	0.431
Anxiety	8.6 ± 4.5	8.8 ± 4.4	0.338	<0.001	−0.798	0.425
Depression	8.3 ± 4.9	8.5 ± 4.7	0.330	<0.001	−0.879	0.380
MCS	41.3 ± 8.4	41.9 ± 7.9	0.217	<0.001	−1.398	0.163
PCS	36.4 ± 8.9	45.1 ± 8.7	0.168	<0.001	−20.235	<0.001

Note: MCS = mental component summary; PCS = physical component summary; SD = standard deviation.