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Table 5 Characteristics of children with dry eyes

From: Screen time duration and timing: effects on obesity, physical activity, dry eyes, and learning ability in elementary school children

  

Dry eyes

Item

  

Not dry

Dry

 
   

mean

SE

mean

SE

P-valuea

Age

  

8.98

0.023

9.44

0.048

 

Height

  

134.1

0.16

136.8

0.32

< 0.001

Weight

  

30.1

0.11

31.9

0.24

< 0.001

  

N

n

%

N

%

P-valueb

Gender

Boys

3611

2921

80.9

690

19.1

0.25

Girls

3430

2811

82.0

619

18.0

 

School year

1

1385

1208

87.2

177

12.8

< 0.001

2

1280

1073

83.8

207

16.2

 

3

1219

1007

82.6

212

17.4

 

4

1179

934

79.2

245

20.8

 

5

1114

870

78.1

244

21.9

 

6

864

640

74.1

224

25.9

 
  1. aWilcoxon. bChi-square test