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Table 1 General characteristics of the study participants (n = 583)

From: Effect of the age of visual impairment onset on employment outcomes in South Korea: analysis of the national survey on persons with disabilities data

  

Prime-aged adults, 20–49

Late-middle-aged adults, 50–64

Total (n = 245)

Men (n = 168)

Women (n = 77)

Total (n = 338)

Men (n = 202)

Women (n = 136)

N

%

N

%

N

%

N

%

N

%

N

%

Key independent variables

 Onset age of visual impairment

  Continuous

Mean ± SD

17.1 ± 13.1

17.3 ± 12.8

16.6 ± 13.7

32.4 ± 18.2

32.9 ± 18.1

31.5 ± 18.5

  Category

Age 0–5

63

25.7

41

24.4

22

28.6

35

10.4

17

8.4

18

13.2

Age 6–17

67

27.3

44

26.2

23

29.9

56

16.6

35

17.3

21

15.4

Age 18–24

38

15.5

32

19.0

6

7.8

23

6.8

15

7.4

8

5.9

Age 25 + 

77

31.4

51

30.4

26

33.8

224

66.3

135

66.8

89

65.4

 Covariates

  Severity of disability

Mild (Index 6)

175

71.4

125

74.4

50

64.9

235

69.5

143

70.8

92

67.6

Moderate (Index 4,5)

23

9.4

13

7.7

10

13.0

45

13.3

29

14.4

16

11.8

Severe (Index 1–3)

47

19.2

30

17.9

17

22.1

58

17.2

30

14.9

28

20.6

  Reason for disability

Congenital, unknown

41

16.7

26

15.5

15

19.5

27

8.0

16

7.9

11

8.1

Acquired due to disease

93

38.0

56

33.3

37

48.1

159

47.0

81

40.1

78

57.4

Acquired due to accident

111

45.3

86

51.2

25

32.5

152

45.0

105

52.0

47

34.6

  Age

Mean ± SD

38.9 ± 7.6

38.2 ± 7.8

40.5 ± 7.0

57.4 ± 4.2

57.0 ± 4.1

58.0 ± 4.4

  Married

Yes

143

58.4

89

53.0

54

70.1

258

76.3

168

83.2

90

66.2

  Education

 ≤ Middle school

31

12.7

19

11.3

12

15.6

173

51.2

87

43.1

86

63.2

High school

111

45.3

75

44.6

36

46.8

117

34.6

80

39.6

37

27.2

 ≥ College

103

42.0

74

44.0

29

37.7

48

14.2

35

17.3

13

9.6

  Chronic diseases

Yes

88

35.9

60

35.7

28

36.4

228

67.5

129

63.9

99

72.8

  Self-rated health

Bad

45

18.4

27

16.1

18

23.4

139

41.1

72

35.6

67

49.3

  Job training

Yes

29

11.8

13

7.7

16

20.8

16

4.7

6

3.0

10

7.4

  Survey year

2011

86

35.1

64

38.1

22

28.6

126

37.3

76

37.6

50

36.8

2014

92

37.6

63

37.5

29

37.7

120

35.5

74

36.6

46

33.8

2017

67

27.3

41

24.4

26

33.8

92

27.2

52

25.7

40

29.4

 Dependent variables

  Employment

Yes

166

67.8

128

76.2

38

49.4

169

50.0

118

58.4

51

37.5

  Job securitya

   Permanent employee

106

63.9

84

65.6

22

57.9

68

40.2

55

46.6

13

25.5

   Temporary employee

60

36.1

44

34.4

16

42.1

101

59.8

63

53.4

38

74.5

 

No

79

32.2

40

23.8

39

50.6

169

50.0

84

41.6

85

62.5

  Monthly wageb (Mean ± SD)

All employees

1,774 ± 1,130c

 

1,967 ± 1,171c

 

1,131 ± 666

 

1,438 ± 1,083

 

1,653 ± 1,178

 

941 ± 579

 

   Permanent employees

2,124 ± 1,138c

 

2,323 ± 1,155c

 

1,373 ± 668

 

2,089 ± 1,324

 

2,238 ± 1,389

 

1,460 ± 756

 

   Temporary employees

1,162 ± 819

 

1,295 ± 872

 

796 ± 511

 

1,000 ± 562

 

1,143 ± 608

 

764 ± 374

 

Total

 

245

100.0

168

100.0

77

100.0

338

100.0

202

100.0

136

100.0

  1. Note.aAmong the employees. bAmong the employees. The monthly wages were adjusted to 2015 using the GDP deflator. Unit: USD (1,000 KRW = about 0.847 USD in December 31, 2015). cThere was one non-respondent in the prime-aged adults. Total (n = 165), men (n = 127) in all employees and men (n = 83) in permanent employees