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Table 3 Prevalence of sensitization to specific inhalant allergens by cluster, NHANES 2005–2006

From: Endotoxin clustering with allergens in house dust and asthma outcomes in a U.S. national study

Sensitization to inhalant allergens

Cluster 1

Cluster 2

Cluster 3

P-value

All participants

Any inhalant allergen

43.8

44.2

43.1

0.79

43.8

Any dust mite

22.1

15.8

24.1

< 0.001

19.6

 Der f1

21.2

13.9

21.5

< 0.001

17.7

 Der p1

20.7

14.5

21.7

< 0.001

18.0

Any pet allergen

14.9

16.6

14.9

0.50

15.7

 Dog

12.0

12.0

11.2

0.84

11.7

 Cat

11.3

13.1

11.0

0.42

12.1

Any plant or grass allergen

30.7

29.5

21.7

< 0.001

27.2

 Ragweed

18.2

16.1

13.3

0.06

15.6

 Rye grass

22.8

20.4

16.8

0.0078

19.7

 Bermuda grass

16.8

16.6

12.5

0.0044

15.3

 Oak

13.1

11.3

10.0

0.051

11.2

 Birch

10.8

10.2

9.0

0.43

9.9

 Thistle

12.8

11.8

9.3

0.053

11.2

Any mold allergen

10.3

11.0

10.9

0.85

10.9

Alternaria alternata

8.6

9.1

7.5

0.19

8.5

Aspergillus fumigatus

6.3

6.3

7.0

0.66

6.5

Any rodent allergen

1.8

1.7

2.3

0.36

2.0

 Mouse

1.4

0.9

1.2

0.63

1.1

 Rat

1.0

1.3

2.1

0.0018

1.5

Cockroach allergen

11.8

7.7

12.2

0.0027

9.9

  1. Abbreviations: Der f Dermatophagoides farinae; Der pDermatophagoides pteronyssinus. P-value for difference in prevalence between clusters calculated using chi-square test
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Environmental Health

ISSN: 1476-069X