Table 4 Hierarchical multiple regression predicting the MCS scores

Constant

45.489

5.713

<0.001

29.863~61.115

Block 1. The Elderly’ Characteristics

0.031

0.031

Age

−0.015

−0.007

−0.231

0.817

−0.141~0.111

Sex

1.449

0.042

1.488

0.137

−0.462~3.360

Educational level

−0.507

−0.024

−0.715

0.475

−1.901~0.886

Marital status

−0.008

−0.001

−0.024

0.981

−0.648~0.633

Income

0.294

0.018

0.515

0.607

−0.827~1.415

Number of chronic disease

−0.196

−0.010

−0.333

0.740

−1.350~0.958

ADL

0.102

0.075

1.851

0.065

−0.006~0.210

Block 2.Caregivers’ Demographic Characteristics

0.072

0.041

Age

0.130

0.085

2.440

0.015

0.025~0.234

Sex

−0.865

−0.025

−0.870

0.385

−2.817~1.087

Educational level (<senior middle school=0; ≥senior middle school=1)

0.851

0.053

1.403

0.161

−0.339~2.040

Monthly household income

1.214

0.074

2.004

0.045

0.025~2.403

Marital status(married=1;others=0)

−0.567

−0.035

−1.252

0.211

−1.455~0.321

Chronic disease (yes=1; no=0)

−2.459

−0.070

−2.107

0.035

−4.749~0.169

Relationship to the patient

1.027

0.133

4.107

<0.001

0.536~1.517

Currently employed (yes=1; no=0)

0.960

0.026

0.749

0.454

−1.556~3.476

Living with the elderly (yes=1; no=0)

−0.753

−0.022

−0.753

0.452

−2.717~1.211

Block 3. Objective Caregiving Loads

0.094

0.022

Caregiving in assistance for daily living

−1.072

−0.058

−1.141

0.254

−2.916~0.772

Caregiving in assistance for housekeeping

−1.262

−0.068

−1.493

0.136

−2.922~0.397

Caregiving in assistance for transportation

0.307

0.017

0.421

0.674

−1.126~1.741

Caregiving in assistance for health care

0.704

0.038

0.814

0.416

−0.993~2.402

Numbers of caregivers

−0.390

−0.055

−1.866

0.062

−0.800~0.020

Time spent in caregiving everyday

−0.895

−0.066

−1.884

0.060

−1.828~0.037

Care duration

0.000

−0.001

−0.047

0.963

−0.018~0.017

Block 4. Subjective Caregiver Burden

−0.490

−0.427

−14.388

<0.001

−0.557~−0.423

0.266

0.173

Block5. SOC

0.397

0.129

4.597

<0.001

0.227~0.566

0.282

0.016