Variable

B

Beta

t

p-value

VIF

Control variables

Age

0.03

0.15

2.41*

0.017

1.10

Work status (0 = Full-time)

Part-time

0.05

0.02

0.37

0.712

1.13

Unemployed

−0.07

−0.03

−0.46

0.649

1.22

Gender role attitude

−0.05

−0.05

−0.74

0.459

1.10

SES (compared with other families in the society)

0.23

0.18

2.88**

0.004

1.07

Independent variable

Respondent’s support to her parent’s housework

0.01

0.01

0.07

0.941

1.19

Spouse’s support to his parent in-law’s housework

−0.47

−0.11

−1.02

0.308

2.92

Moderator variable

Assessment of spouse’s health status

0.09

0.08

0.98

0.328

1.81

Assessment of self-health status

0.27

0.26

3.12**

0.002

1.85

Assessment of father’s health status

−0.03

−0.03

−0.39

0.697

1.52

Assessment of mother’s health status

0.14

0.16

2.12*

0.036

1.53

Respondent’s support to her parent’s housework × Assessment of self-health status

0.13

0.05

0.65

0.517

1.76

Spouse’s support to his parent in-law’s housework × Assessment of spouse’s health status

−1.42

−0.19

−1.14

0.255

7.47

Respondent’s support to her parent’s housework × Assessment of father’s health status

−0.44

−0.21

−2.48*

0.014

1.95

Spouse’s support to his parent in-law’s housework × Assessment of father’s health status

0.05

0.01

0.08

0.936

2.04

Respondent’s support to her parent’s housework × Assessment of mother’s health status

0.32

0.17

2.20*

0.029

1.64

Spouse’s support to his parent in-law’s housework × Assessment of mother’s health status

0.55

0.11

0.76

0.448

5.59

R²

0.27

Adjusted R²

0.20

F-value

0.418***

0.000