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Table 3 The correlation between endometriosis and asthma

From: Association of endometriosis with asthma: a study of the NHANES database in 1999–2006

Endometriosis

Model 1

 

Model 2

 

Model 3

OR (95% CI)

P

OR (95% CI)

P

OR (95% CI)

P

After multiple imputation

        

 No

Ref

  

Ref

  

Ref

 

 Yes

1.78 (1.36–2.33)

< 0.001

 

1.77 (1.35–2.32)

< 0.001

 

1.48 (1.10–1.99)

0.010

Before multiple imputation

        

 No

Ref

  

Ref

  

Ref

 

 Yes

1.78 (1.36–2.33)

< 0.001

 

1.80 (1.35–2.41)

< 0.001

 

1.54 (1.13–2.10)

0.007

  1. OR: odds ratio, CI: confidence interval, Ref: reference
  2. Model 1: crude model;
  3. Model 2: adjusted for age, race, education level, marital status, PIR, BMI, and waist circumference;
  4. Model 3: adjusted for age, race, education level, marital status, PIR, BMI, waist circumference, cigarettes smoking, estrogen and progesterone hormones use, uterine fibroids, at least one ovary removed, and birth control pills use