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Table 3 Percentage of ear disease stratified by gender and age

From: Ear diseases among secondary school students in Xi'an, China: The role of portable audio device use, insomnia and academic stress

Gender and Age

Ear disease

Without ear disease

Total

Percentage of ear disease (%)

Gender1

Boy

42

751

793

5.30%

 

Girl

10

764

774

1.29%

Age2

12-14

13

408

421

3.09%

 

15-17

36

993

1029

3.50%

 

18-19

3

114

117

2.56%

  1. X 2 1 = 19.576, P = 0.000; X 2 2 = 0.381, P = 0.826