Skip to main content

Table 1 Demography of participants in the SPT in 1994 and 2009

From: Increase in sensitization to common airborne allergens among adults – two population-based studies 15 years apart

 

Study year

  
 

1994

2009

p-value

 

n = 483

n = 463

 

Mean age (SD)

44.05 (9.73)

44.57 (10.54)

0.436

Men, n (%)

237 (49.1)

233 (50.3)

0.699

Age group, n (%)

   

 20-29 y

47 (9.7)

56 (12.1)

0.081

 30-39 y

109 (22.6)

87 (18.8)

 40-49 y

163 (33.7)

135 (29.2)

 50-60 y

164 (34.0)

185 (40.0)

Family history of allergic rhinitis (%)

33.9

32

0.544

Ever smoker (%)

57.1

45.6

<0.001

Furry animals in cildhood (%)

77.5

63.7

<0.001

Urban living in childhood (%)

32.5

54.5

<0.001

Urban living (%)

68.1

72.2

0.174