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Table 6 Percentage of SHL stratified by sleep problems

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

AIS Score

SHL

Without SHL

Total

Percentage of SHL(%)

Normal

19

1282

1301

1.46

Sleeping disorder

3

257

260

1.15

Insomnia

1

5

6

16.67

Total

23

1544

1567

1.47

  1. X 2 = 9.761, P = 0.008
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BMC Public Health

ISSN: 1471-2458

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