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Table 2 Prevalence (%) of allergic sensitization by sex, area and age group

From: Sensitization to airborne allergens among adults and its impact on allergic symptoms: a population survey in northern Vietnam

Allergens

Sex

 

Area

 

Age

 

Male

Female

Difference, p-value

Hoankiem

Bavi

Difference, p-value

≤45 y

>45 y

Difference, p-value

n = 249

n = 284

 

n = 179

n = 354

 

n = 278

n = 255

Cat

5.2

3.9

0.454

5.6

4.0

0.391

5.4

3.5

0.299

Dog

3.6

3.9

0.875

6.1

2.5

0.039

4.7

2.7

0.241

Any animal

8.0

5.6

0.271

9.5

5.4

0.073

7.9

5.5

0.265

Cockroach

16.5

10.2

0.033

11.7

13.8

0.496

15.1

11.0

0.159

D. pteronyssinus

16.5

10.6

0.045

19.0

10.5

0.006

16.9

9.4

0.011

D. farinae

15.3

6.3

0.001

11.2

10.2

0.721

11.2

9.8

0.612

B. tropicalis

27.7

18.7

0.013

22.9

22.9

0.995

27.3

18.0

0.011

Any mite

30.9

21.8

0.017

27.4

25.4

0.628

30.6

21.2

0.014

A. alternata

0.8

0.7

0.895

0.6

0.8

0.715

0.7

0.8

0.931

C. herbarum

0.4

1.4

0.229

1.7

0.6

0.209

1.1

0.8

0.724

Any mould

1.2

1.8

0.599

2.2

1.1

0.322

1.8

1.2

0.555

Grass pollen

2.8

1.4

0.256

1.7

2.3

0.654

2.5

1.6

0.441

Tree pollen

0.4

1.8

0.138

2.2

0.6

0.084

0.7

1.6

0.353

Any pollen

3.2

2.5

0.602

3.4

2.5

0.594

2.9

2.7

0.926

Any allergen

36.9

31.0

0.146

34.1

33.6

0.915

38.1

29.0

0.026