Skip to main content

Table 2 Univariate analyses and multiple linear regression models for factors related to the SF-36 health scores by group

From: Domestic work stress and self-rated psychological health among women: a cross-sectional study in Japan

 

Workers group (N = 2,000)

Homemakers group (N = 1,000)

Mental Health score

Vitality score

Mental Health score

Vitality score

Univariate

Multivariate

R2 = 0.24

Univariate

Multivariate

R2 = 0.20

Univariate

Multivariate

R2 = 0.18

Univariate

Multivariate

R2 = 0.17

Mean ± SD or r

P

B

P

Mean ± SD or r

P

B

P

Mean ± SD or r

P

B

P

Mean ± SD or r

P

B

P

Domestic work factors

Job demand

− 0.21 a

<0.01

-0.37

<0.01

− 0.19 a

<0.01

− 0.31

0.02

− 0.29 a

< 0.01

-1.33

<0.01

-0.26 a

<0.01

− 1.05

<0.01

Job control

0.22 a

<0.01

0.34

<0.01

0.18 a

<0.01

0.29

0.03

0.29 a

< 0.01

1.49

<0.01

0.29 a

<0.01

1.48

<0.01

Support from a partner

 

0.09 b

   

<0.01 b

   

0.04 b

   

0.02 b

  

 No

46.0 ± 10.2

 

Ref

 

44.3 ± 10.2 b

 

Ref

 

46.2 ± 10.5

 

Ref

 

44.9 ± 10.3

 

Ref

 

 Yes

46.8 ± 10.0 b

 

-0.16

0.71

45.6 ± 10.2

 

0.31

0.49

47.7 ± 11.2

 

0.50

0.50

46.6 ± 10.9

 

0.45

0.53

Support from parents or parents-in-law

 

0.07 b

   

<0.01b

   

0.20 b

   

0.02 b

  

 No

46.1 ± 10.0

 

Ref

 

44.3 ± 10.1

 

Ref

 

46.4 ± 10.7

 

Ref

 

45.1 ± 10.5

 

Ref

 

 Yes

47.1 ± 10.5 b

 

0.71

0.19

46.7 ± 10.4 b

 

1.87

<0.01

47.7 ± 11.1

 

1.12

0.25

47.4 ± 10.4

 

2.23

0.02

Having a young child

 

0.74 b

   

0.69 b

   

0.21 b

   

0.76 b

  

 No

46.3 ± 10.2

 

Ref

 

44.8 ± 10.4

 

Ref

 

46.3 ± 11.0

 

Ref

 

45.4 ± 10.8

 

Ref

 

 Yes

46.2 ± 10.0 b

 

1.81

<0.01

44.6 ± 9.7 b

 

1.52

<0.01

47.2 ± 10.1

 

2.68

<0.01

45.6 ± 9.8

 

1.62

0.02

Providing care for a family member

 

0.45 b

   

0.50 b

   

< 0.01 b

   

< 0.01b

  

 No

46.3 ± 10.1

 

Ref

 

44.8 ± 10.2

 

Ref

 

46.9 ± 10.6

 

Ref

 

45.8 ± 10.3

 

Ref

 

 Yes

45.5 ± 9.4 b

 

-0.24

0.81

44.1 ± 10.0 b

 

− 0.63

0.54

41.3 ± 11.8

 

-4.96

<0.01

39.8 ± 12.1

 

-5.64

<0.01

Demographic factors

Age group

         

0.48 c

   

0.06 c

  

 25–29

45.3 ± 10.3

Ref

Ref

 

44.2 ± 10.4

Ref

Ref

 

47.2 ± 11.0

 

Ref

 

47.0 ± 10.4

 

Ref

 

 30–39

46.3 ± 10.0 c

0.92 c

0.97

0.14

44.9 ± 9.7 c

1.00 c

0.81

0.23

46.0 ± 11.1

 

-0.70

0.52

44.4 ± 10.0

 

-2.06

0.04

 40–49

45.6 ± 10.5 c

1.00 c

0.66

0.34

44.0 ± 10.5 c

1.00 c

0.34

0.63

46.3 ± 10.4

 

-0.66

0.54

45.0 ± 11.3

 

-1.72

0.10

 50–59

47.4 ± 9.6 c

0.02 c

1.70

0.02

45.6 ± 10.2 c

0.35 c

1.25

0.11

47.2 ± 10.6

 

0.87

0.46

46.1 ± 10.2

 

-0.11

0.92

University education

 

0.28 b

   

0.34 b

   

0.10 b

   

0.49 b

  

 No

46.1 ± 10.2

 

Ref

 

44.6 ± 10.3

 

Ref

 

46.2 ± 10.8

 

Ref

 

45.3 ± 10.8

 

Ref

 

 Yes

46.6 ± 10.0 b

 

0.35

0.42

45.1 ± 10.0 b

 

0.40

0.38

47.5 ± 10.5

 

0.75

0.27

45.8 ± 9.9

 

0.02

0.97

Household income

 Low

43.7 ± 11.1

Ref

Ref

 

43.6 ± 11.1

Ref

Ref

 

44.8 ± 11.8

Ref

Ref

 

43.2 ± 11.5

Ref

Ref

 

 Middle

46.4 ± 9.8 c

<0.01

2.10

<0.01

44.3 ± 10.1 c

1.00 c

0.25

0.70

46.2 ± 10.1

0.77c

1.45

0.11

44.9 ± 10.0

0.37 c

1.85

0.04

 High

48.0 ± 9.5 c

<0.01

3.20

<0.01

46.0 ± 9.7 c

<0.01 c

1.62

0.03

49.5 ± 9.9

< 0.01c

4.03

<0.01

47.9 ± 10.2

<0.01

4.35

<0.01

 Unknown

46.8 ± 9.9 c

<0.01

2.19

<0.01

45.4 ± 9.9 c

0.07 c

1.09

0.11

47.2 ± 10.8

0.07 c

2.01

0.04

46.7 ± 10.2

<0.01

3.15

<0.01

Occupational factors

 Job demand

− 0.22 a

<0.01

-0.33

<0.01

− 0.21 a

<0.01

− 0.37

<0.01

        

 Job control

0.19 a

<0.01

0.26

0.02

0.18 a

<0.01

0.28

<0.01

        

 Support from supervisors

0.25 a

<0.01

0.40

<0.01

0.22 a

<0.01

0.33

<0.01

        

 Support from co-workers

0.26 a

<0.01

0.45

<0.01

0.22 a

<0.01

0.39

<0.01

        

Working hours per week

 

0.94 b

   

0.05 b

          

  < 30 h

46.3 ± 10.1

 

Ref

 

45.2 ± 9.9

 

Ref

         

 ≥ 30 h

46.3 ± 10.1 b

 

0.78

0.06

44.3 ± 10.4 b

 

0.15

0.73

        

Work–family conflicts

 Work-to-family conflicts

− 0.36 a

<0.01

-0.28

<0.01

− 0.36 a

<0.01

− 0.39

<0.01

        

 Family-to-work conflicts

− 0.34 a

<0.01

-0.24

<0.01

− 0.25 a

<0.01

− 0.02

0.62

        
  1. ar, Pearson correlation coefficient. bStudent t tests. cOne-way analysis of variance and Bonferroni multiple-comparison tests
  2. Ref, reference; R2, coefficients for determination; CI, confidence interval; B, regression coefficient
Back to article page

Environmental Health and Preventive Medicine

ISSN: 1347-4715

Contact us