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Table 2 Associated factors regarding habitual snoring by univariate logistical regression models (N = 21,052)

From: Habitual Snoring in school-aged children: environmental and biological predictors

Variables

Prevalence of habitual snoring

n (%)

Univariate regression models

  

OR (95% CI)

P value

Demographic characteristics

Age (years, mean ± SD)

  

.040

5-6

309 (12.6)

1.24 (1.14-1.47)

.014

7-

491 (13.4)

1.33 (1.14-1.55)

< .001

8-

462 (12.4)

1.22 (1.04-1.42)

.013

9-

433 (11.8)

1.15 (0.98-1.34)

.091

10-

408 (11.2)

1.09 (0.93-1.27)

.309

11-

297 (10.4)

1.00

 

Gender (%)

  

< .001

Boys

1437 (14.5)

1.62 (1.49-1.77)

 

Girls

963 (9.5)

1.00

 

Socioeconomic characteristics

Family income (%)

  

< .001

<800

671 (13.8)

1.36 (1.19-1.55)

< .001

800-2500

1309 (11.6)

1.11 (0.99-1.25)

.082

≥ 2500

401 (10.6)

1.00

 

Mather's education level (%)

  

.409

Low

644 (11.7)

0.94 (0.85-1.05)

.284

Medium

770 (11.6)

0.94 (0.85-1.04)

.237

High

940 (12.3)

1.00

 

Father's education level (%)

  

.548

Low

587 (12.4)

1.04 (0.93-1.16)

.354

Medium

802 (11.7)

0.98 (0.88-1.08)

.442

High

1008 (12.0)

1.00

 

Chronic health problems

Obesity/overweight

  

< .001

Obesity

349 (16.2)

1.67 (1.15-1.66)

< .001

Overweight

320 (15.4)

1.57 (1.37-1.81)

< .001

Normal or under

1344 (10.4)

1.00

 

Chronic or allergic rhinitis

  

< .001

Yes

421 (22.4)

2.35 (2.09-2.65)

 

No

1990 (10.9)

1.00

 

Asthma

  

< .001

Yes

138 (21.7)

2.10 (1.73-2.55)

 

No

2274 (11.7)

1.00

 

Adenotonsillar hypertrophy

  

< .001

Yes

498 (22.5)

2.43 (2.17-2.71)

 

No

1914 (10.7)

1.00

 

Chronic otitis media

  

< .001

Yes

141 (18.0)

1.65 (1.37-1.99)

 

No

2270 (11.7)

1.00

 

Food/drug allergy

  

< .001

Yes

174 (15.8)

1.41 (1.19-1.67)

 

No

2237 (11.8)

1.00

 

Environmental exposures

Delivery

  

< .001

Caesarean sectionh

906 (13.6)

1.25 (1.15-1.37)

 

Vaginal Birth

1497 (11.2)

1.00

 

Feeding patterns during the first four months

   

Breasting feeding

1512 (11.4)

1.00

.001

Mixed/bottle feeding

896 (13.1)

1.16 (1.07-1.27)

 

Breast feeding

   

≥ 6 months

1230 (11.2)

1.00

< .001

< 6 months

1182 (12.9)

1.21 (1.08-1.56)

 

Pregnancy maternal smoking

  

< .001

Yes

76 (19.5)

1.81 (1.41-2.33)

 

No

2333 (11.8)

1.00

 

Household passive smoking

  

< .001

Yes

668 (13.4)

1.19 (1.08-1.31)

 

No

1735 (11.5)

1.00

 

Family history of SDB

Habitual snoring

  

< .001

Yes

1060 (16.0)

1.72 (1.57-1.87)

 

No

1352 (10.0)

1.00

 

OSAS

  

< .001

Yes

93 (19.3)

1.79 (1.42-2.26)

 

No

2319 (11.8)

1.00

 
  1. Family income was expressed in RMB(yuan)/person/month
  2. OR: odds ratio; CI: confidence interval