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Table 3 Associations between number of different helminth parasite infections and asthma or asthma phenotypes in 1,271 children

From: Effects of helminth co-infections on atopy, asthma and cytokine production in children living in a poor urban area in Latin America

Number of helminth infections

All asthma

Non-atopic asthma

Atopic asthma

n (%)

*OR (95% CI)

n (%)

**Non-atopic/non-asthmatic

n (%)

**Non-atopic/non-asthmatic

**Atopic/non-asthmatic

0

       

(n = 580; 45.6%)

164 (28.3)

1

59 (10.2)

1

60 (10.3)

1

1

1

 

1.02

 

1.40

 

1.24

1.01

(n = 463; 36.4%)

133 (28.7)

(0.78; 1.34)

60 (13.0)

(0.92; 2.11)

51 (11.0)

(0.81; 1.90)

(0.69; 1.74)

2

 

1.20

 

1.33

 

1.23

1.01

(n = 162; 12.8%)

52 (32.1)

(0.82; 1.75)

21 (13.0)

(0.74; 2.38)

19 (11.7)

(0.68; 2.23)

(0.53; 1.92)

3

 

1.55

 

1.84

 

0.91

1.02

(n = 66; 5.2%)

25 (37.9)

(0.91; 2.63)

12 (18.2)

(0.87; 3.89)

6 (9.1)

(0.36; 2.34)

(0.37; 2.84)

  1. *Adjusted for gender, age, maternal education and parental asthma; ** Reference groups for polytomous logistic regression analysis. OR – odds ratio. 95% CI – 95% confidence interval.