Table 3 Employment Factors and Presence of DED

Work type:

0.15

 Outdoor Workers

150

64.7%

82

35.3%

 Indoor Workers

135

58.2%

97

41.8%

Work region:

0.17

 Nublus

129

66.2%

66

33.8%

 Jenin

34

51.5%

32

48.5%

 Tulkarm

107

60.8%

69

39.2%

 Ramallah

15

55.6%

12

44.4%

Work experience (years):

0.05

 < 5

49

55.7%

39

44.3%

 5–10

71

54.6%

59

45.4%

 11–15

41

63.1%

24

36.9%

 > 15

124

68.5%

57

31.5%

Days spent at work weekly:

0.75

 5 or less

128

60.7%

83

39.3%

 > 5

157

62.1%

96

37.9%

Time spent at work daily (hours):

0.66

 < 8

50

61.0%

32

39.0%

 8–10

181

60.3%

119

39.7%

 > 10

54

65.9%

28

34.1%

Time spent on electronic devices daily (hours):

0.16

 2 or less

84

68.3%

39

31.7%

 3–6

72

57.1%

54

42.9%

 > 6

129

60.0%

86

40.0%

The electronic device used the most during the day:

 None

10

90.9%

1

9.1%

0.04

 Smartphone

221

61.7%

137

38.3%

0.80

 Laptop

32

58.2%

23

41.8%

0.59

 Desktop computer

104

60.1%

69

39.9%

0.65

 iPad

10

76.9%

3

23.1%

0.24

 Television

64

79.0%

17

21.0%

 < 0.001