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Table 3 Distribution of EQ-5D descriptive system values at the 16- and 24-year follow-ups, respectively, in relation to asthma (ntot = 2,268)

From: Health-related quality of life decreases in young people with asthma during the transition from adolescence to young adulthood: a birth cohort study

EQ-5D descriptive system values

No asthma at 24-year follow-up

n = 1932

Asthma at 24-year follow-upa

n = 333

No asthma vs. asthma at 24-year follow-up

Asthma at 16-year follow-upa

n = 268

Asthma at 24- versus 16-year follow-up

Health attributes

n (%)

n (%)

p valueb

n (%)

p valuec

Mobility

No problems

1888 (98.0)

325 (97.6)

 

258 (98.1)

 

Some problems

38 (2.0)

8 (2.4)

 

5 (1.9)

 

Extreme problems

1 (0.1)

0 (0)

0.60

0 (0)

0.78

Self-care

No problems

1916 (99.4)

330 (99.4)

 

259 (98.5)

 

Some problems

9 (0.5)

1 (0.3)

 

1 (0.4)

 

Extreme problems

2 (0.1)

1 (0.3)

0.49

3 (1.1)

0.46

Usual activities

No problems

1795 (93.2)

308 (92.5)

 

256 (97.3)

 

Some problems

124 (6.4)

23 (6.9)

 

6 (2.3)

 

Extreme problems

8 (0.4)

2 (0.6)

0.74

1 (0.4)

0.02

Pain or discomfort

No problems

1427 (74.1)

208 (62.5)

 

192 (73.3)

 

Some problems

490 (25.4)

122 (36.6)

 

70 (26.7)

 

Extreme problems

9 (0.5)

3 (0.9)

< 0.01

0 (0.0)

0.01

Anxiety or depression

No problems

1189 (61.7)

199 (59.8)

 

187 (71.4)

 

Some problems

697 (36.2)

120 (36.0)

 

74 (28.4)

 

Extreme problems

41 (2.1)

14 (4.2)

0.09

1 (0.4)

< 0.01

  1. aAsthma was defined as fulfilling at least 2 of 3 criteria: symptoms of wheeze and/or breathing difficulties in the preceding 12 months, ever doctor’s diagnosis of asthma and/or use of asthma medication occasionally or regularly in the preceding 12 months
  2. bp values obtained using Fisher’s exact test to analyse differences between the distribution of EQ-5D descriptive system values for no asthma vs. asthma at the 24-year follow-up
  3. cp values obtained using Fisher’s exact test to analyse differences between the distribution of EQ-5D descriptive system values for asthma at the 24-year follow-up vs. the 16-year follow-up