Table 3.

Associations of four care activities with relevant variables based on the multiple linear regression model.

	β Coefficient	95% CI β Coefficient	SE	Standardized β Coefficient	p
Crowding out of total informal care time (R2 = 0.308; adjusted R2 = 0.299, p < 0.001)
(Constant)	0.006	−0.086–0.097	0.046		0.905
Hours of formal care	0.467	0.371–0.563	0.050	0.473	<0.001
Care recipients’ gender	0.117	0.025–0.209	0.047	0.119	0.013
Care recipients’ health status (self-assessment)	0.112	0.010–0.214	0.052	0.108	0.032
Crowding out of HDL task time (R2 = 0.085; adjusted R2 = 0.076, p < 0.001)
(Constant)	−0.019	−0.124–0.086	0.053		0.718
Hours of formal care	0.220	0.112–0.327	0.055	0.218	<0.001
CRA sub4	0.124	0.019–0.229	0.053	0.127	0.021
Crowding out of ADL task time (R2 = 0.386; adjusted R2 = 0.376, p = 0.044)
(Constant)	−0.030	−0.123–0.063	0.047		0.522
Hours of formal care	0.513	0.416–0.611	0.050	0.509	<0.001
Care recipients’ health status (self-assessment)	0.170	0.070–0.270	0.051	0.160	0.001
Caregivers’ income (<4000 yuan)	0.218	0.099–0.338	0.061	0.223	<0.001
Caregivers’ income (4000–6000 yuan)	0.166	0.047–0.285	0.060	0.170	0.006
CRA sub5	0.098	0.003–0.194	0.049	0.097	0.044
Crowding out of IADL task time (R2 = 0.121; adjusted R2 = 0.109, p < 0.001)
(Constant)	0.012	−0.098–0.121	0.056		0.835
CRA sub3	−0.228	−0.339–−0.116	0.057	−0.223	<0.001
Caregivers’ gender	−0.183	−0.292–−0.074	0.055	−0.182	0.001
Caregivers’ income (<4000 yuan)	−0.258	−0.394–−0.121	0.069	−0.257	<0.001
Caregivers’ income (4000–6000 yuan)	−0.142	−0.276–−0.007	0.068	−0.144	0.039
Crowding out of supervision time (R2 = 0.130; adjusted R2 = 0.118, p = 0.014)
(Constant)	0.020	−0.090–0.129	0.056		0.721
Caregivers’ income (<4000 yuan)	−0.336	−0.472–−0.199	0.069	−0.320	<0.001
Caregivers’ income (4000–6000 yuan)	−0.166	−0.287–−0.045	0.061	−0.156	0.007
Hours of formal care	0.155	0.043–0.267	0.057	0.157	0.007
CRA sub2	−0.181	−0.314–−0.049	0.067	−0.185	0.007