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Table 2 The prevalence of SDB in different age groups and sex groups

From: Pediatric sleep-disordered breathing in Shanghai: characteristics, independent risk factors and its association with malocclusion

 

Total (n)

Non-SDB

SDB

Prevalence of SDB (%)

χ2

P

Age (years)

6–7

685

576

109

15.9

9.36

0.053

7–8

775

655

120

15.5

  

8–9

822

662

160

19.5

  

9–10

546

433

113

20.7

  

10–11

605

501

104

17.2

  

Sex

male

1788

1413

375

21.0

28.31

< 0.001

female

1645

1414

231

14.0

  

Total

3433

2827

606

17.7

–

–

  1. Chi-squared tests were used
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BMC Oral Health

ISSN: 1472-6831

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