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Table 4 Logistic regression analyses of associations between viral infections and asthma

From: Chronic virus infections supress atopy but not asthma in a set of children from a large latin american city: a cross-section study

Infection by

Asthma

 

n = 295 (22.8%)

N = 1272

n (%)/N

OR (95% C.I.)

  

Crude

Adjusted*

HSV

   

   Negative

137 (23.5)/584

1

1

   Positive

158 (22.2)/712

0.93 (0.72; 1.21)

1.02 (0.77; 1.35)

VZV

   

   Negative

163 (23.0)/708

1

1

   Positive

132 (22.4)/588

0.97 (0.75; 1.26)

1.09 (0.82; 1.43)

EBV

   

   Negative

37 (25.2)/147

1

1

   Positive

258 (22.5)/1149

0.86 (0.58; 1.28)

0.81 (0.53; 1.23)

HAV

   

   Negative

245 (22.9)/1072

1

1

   Positive

50 (22.3)/224

0.97 (0.69; 1.37)

0.99 (0.69; 1.42)

  1. *Asthma defined as at least 1 case of 4 or more episodes of wheeze within the last 12 months, waking up in the night with shortness of breath, wheeze post-exercise or asthma diagnosed by doctor **Adjusted for gender, age, parental asthma, mother's education and cat at home.
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