Table 2 Adjusted multiple logistic regression model for OSA predictors.

From: A nationwide study on the prevalence and contributing factors of obstructive sleep apnea in Iran

Variablea

Category

Odds ratio

95% CI

p-value

Demographic

 Age

 

1.09

1.08–1.09

0.001

 Sex

Female

1

  

Male

3.84

3.24–4.56

0.001

 Marital status

Single

1

  

Married

0.70

0.50–0.97

0.037

Divorced

1.18

0.58–2.39

0.590

Widow

0.59

0.41–0.85

0.011

Anthropometric

 BMI

 

1.13

1.10–1.17

0.001

 NC

 

1.30

1.24–1.36

0.001

Medical comorbidities

 Diabetes

No

1

  

Yes

1.61

1.01–2.56

0.045

Sleep-related comorbidities

 RLS

No

1

  

Yes

2.03

1.78–2.31

0.001

 ISI

No

1

  

Yes

2.32

1.94–2.78

0.001

  1. OSA, obstructive sleep apnea; BMI, body mass index; NC, neck circumference; RLS, restless legs syndrome; ISI, insomnia severity index.
  2. aOther variables were excluded in the final model of logistic regression because they have a p-value > 0.2.
Back to article page