Table 3.

Results of logistic regression analysis of cluster positivity and asthma risk

Sensitization/co-sensitization to clusters	Crude OR (95% CI)	Adjusteda OR (95% CI)
Soybean-nuts-fruits	2.75 (1.76–4.29)	2.67 (1.68–4.25)
House dust mite	2.15 (1.21–3.81)	2.43 (1.32–4.48)
Bermuda- timothy	2.05 (1.31–3.21)	2.02 (1.27–3.21)
Birch- timothy- mercury	1.66 (0.81–3.40)	1.87 (0.91–3.91)
Alder- birch	2.05 (1.38–3.05)	1.98 (1.31–2.98)
Timothy grass pollen	1.65 (0.99–2.73)	1.76 (1.05–2.96)
Soybean-nuts- fruits & Bermuda- timothy	4.24 (2.38–7.56)	4.22 (2.32–7.68)
Soybean-nuts- fruits & Alder- birch	2.81 (1.80–4.39)	2.74 (1.73–4.36)
Bermuda- timothy & Alder- birch	2.60 (1.53–4.44)	2.60 (1.51–4.50)
Alder- birch & Timothy grass pollen	2.60 (1.37–4.92)	2.77 (1.44–5.35)
Bermuda- timothy & Timothy grass pollen	2.06 (1.18–3.61)	2.27 (1.28–4.04)

CI: Confidence Interval, OR: Odds Ratio

^aadjusted for sex, age at first visit, family history of allergy, smoking and BMI