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Table 2 General characteristics of age difference between wife and husband at baseline (2006)

From: The impact of age differences in couples on depressive symptoms: evidence from the Korean longitudinal study of aging (2006–2012)

 

Total

Wife

 
 

N

%

%*

Mean

Mean*

SD*

P-value

Wife-Husband

     

<.0001***

≥ +3

62

2.15

2.17

1.32

1.70

1.03

 

+1 ~ +2

145

5.03

5.10

0.46

0.50

0.94

 

0

251

8.71

8.88

0.34

0.32

0.92

 

−2 ~ −1

623

21.62

21.05

0.32

0.31

0.76

 

−4 ~ −3

748

25.96

26.16

0.30

0.27

0.82

 

−6 ~ −5

533

18.50

18.52

0.38

0.35

0.75

 

≤ −7

519

18.01

18.12

0.47

0.47

2.33

 

Age

      

<.0001***

≤55

1,277

44.32

48.23

0.22

0.23

0.64

 

56-65

930

32.28

34.56

0.34

0.36

0.71

 

66-75

575

19.96

14.65

0.69

0.74

1.30

 

≥75

99

3.44

2.55

1.14

1.28

2.15

 

Education

      

0.438

≤ Middle school

2,026

70.32

68.00

0.47

0.46

1.06

 

High school

694

24.09

25.90

0.19

0.19

0.56

 

≥ College

161

5.59

6.10

0.15

0.19

0.44

 

Income

      

0.432

Yes

407

14.13

15.17

0.28

0.31

0.70

 

No

2,474

85.87

84.83

0.40

0.39

0.98

 

Number of familiarity

      

0.156

Every day

1,027

35.65

34.77

0.34

0.32

0.86

 

Sometimes

1,624

56.37

56.73

0.39

0.39

0.98

 

Never

230

7.98

8.50

0.56

0.50

1.04

 

Smoking status

      

0.029*

Never

2,817

97.78

97.84

0.37

0.36

0.91

 

Former smoker

12

0.42

0.41

1.42

1.13

2.19

 

Smoker

52

1.80

1.75

0.90

0.99

1.81

 

Alcohol use

      

<.0001***

No

2,259

78.41

76.76

0.37

0.36

0.92

 

Former user

66

2.29

2.31

1.14

1.15

1.94

 

Yes

556

19.30

20.93

0.34

0.34

0.82

 

Economic activity

      

0.803

Yes

905

31.41

33.31

0.30

0.30

0.79

 

No

1,976

68.59

66.69

0.42

0.41

1.01

 

Self-rated health

      

<.0001***

Good

1,169

40.58

42.66

0.14

0.15

0.54

 

Normal

934

32.42

32.40

0.37

0.39

0.97

 

Bad

778

27.00

24.94

0.77

0.75

1.22

 

Depression of partner

      

<.0001***

Yes

576

19.99

19.24

0.95

1.01

1.33

 

No

2,305

80.01

80.76

0.24

0.23

0.76

 

Marital satisfaction

      

0.000**

Low

167

5.80

5.59

0.68

0.69

1.13

 

Middle

1,513

52.52

53.30

0.46

0.46

1.08

 

High

1,201

41.69

41.11

0.24

0.23

0.68

 

Total

2,881

100.00

100.00

0.38

0.38

0.94

 
  1. *p < .05; **p < .01, ***p < .001.