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Table 2 Family sleep characteristics

From: Characteristics and risk factors of children with sleep-disordered breathing in Wuxi, China

Characteristic

Sample

(n = 3997)

SDB

(n = 534)

NO SDB

(n = 3463)

Group differences

P values

Father’s sleep patterns

3997

534 (13.4)*

3463

χ2 = 50.994

0.000*

 Irregular

817

163 (20)

654

  

 Regular

2486

318 (12.8)

2168

  

 Very regular

694

53 (7.6)

641

  

Mother’s sleep patterns

3997

534 (13.4)*

3463

χ2 = 52.101

0.000*

 Irregular

385

90 (23.4)

295

  

 Regular

2833

381 (13.4)

2452

  

 Very regular

779

63 (8.1)

716

  

Father’s bedtime

3997

534 (13.4)*

3463

χ2 = 30.033

0.000*

 21–22

1247

118 (9.5)

1129

  

 22–24

2440

355 (14.5)

2085

  

 After 24

310

61 (19.7)

249

  

Mother’s bedtime

3997

534 (13.4)*

3604

χ2 = 26.946

0.000*

 21–22

2316

265 (11.4)

2051

  

 22–24

1572

241 (15.3)

1331

  

 After 24

109

28 (25.7)

81

  

Father’s sleep duration

3997

534 (13.4)*

3463

χ2 = 14.940

0.001*

 >8 h

686

68 (9.9)

618

  

 6 h–8 h

3093

423 (13.7)

2670

  

 <6 h

218

43 (19.7)

175

  

Mother’s sleep duration

3997

534 (13.4)*

3463

χ2 = 27.318

0.000*

 >8 h

1091

113 (10.4)

978

  

 6 h–8 h

2790

390 (14.0)

2400

  

 <6 h

116

31 (26.7)

85

  

Familial sleep sickness

637 (20.9)

199 (23.8)*

638

χ2 = 99.219

0.000*

  1. Data were presented as n(%) unless otherwise stated. P < 0.05 was considered statistically significant difference. SDB sleep disorder breathing