Table 4 Risk of VAS > 5—uncontrolled disease—by level of CARAT item (categorical) controlling each-other

Nasal obstruction

 Never

2.04

0.74–5.60

0.168

 1–2/week

3.59

1.21–10.63

0.021

 > 2/week

6.76

1.87–24.50

0.004

 Linear trend

1.78

1.24–2.55

0.002

Sneezing

 Never

0.32

0.10–1.03

0.056

 1–2/week

1.34

0.37–4.88

0.655

 > 2/week

6.84

1.17–40.11

0.033

 Linear trend

1.99

1.27–3.13

0.003

Itching

 Never

3.43

1.30–9.05

0.013

 1–2/week

2.58

0.83–8.09

0.103

 > 2/week

3.21

0.60–17.22

0.173

 Linear trend

1.52

0.99–2.33

0.053

Awakenings

 Never

1.44

0.59–3.50

0.421

 1–2/week

3.63

1.09–12.03

0.035

 > 2/week

2.38

0.20–28.40

0.493

 Linear trend

1.67

1.04–2.69

0.034