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Table 3 Crude odds ratios (OR) and 95 % confidence intervals (CI) for current asthma, current rhinitis and current eczema

From: Different risk factor patterns for adult asthma, rhinitis and eczema: results from West Sweden Asthma Study

Independent variables Dependent variables
Current asthma Current rhinitis Current eczema
OR (95 % CI) OR (95 % CI) OR (95 % CI)
Raised on a farm
No 1 1 1
Yes 0.84 (0.48–1.45) 0.54 (0.38–0.78) 0.45 (0.24–0.85)
Number of siblings
0 1 1 1
1 3.06 (1.29–7.25) 1.37 (0.92–2.06) 0.76 (0.45–1.29)
2 or more 2.76 (1.17–6.49) 1.32 (0.89–1.97) 0.59 (0.35–0.99)
Childhood daycare
No 1 1 1
Yes 1.14 (0.80–1.63) 1.40 (1.11–1.77) 1.48 (1.06–2.07)
Childhood smoke exposure
No 1 1 1
Yes 1.05 (0.73–1.50) 0.91 (0.72–1.15) 1.52 (1.06–2.16)
Maternal smoking in pregnancy
No 1 1 1
Yes 0.70 (0.35–1.37) 1.04 (0.70–1.54) 1.89 (1.13–3.14)
Furry animals in childhood
Yes 1 1 1
No 1.19 (0.83–1.70) 1.05 (0.75–1.49) 1.24 (0.98–1.57)
Childhood airway infection
No 1 1 1
Yes 2.35 (1.57–3.51) 0.94 (0.73–1.23) 1.34 (0.92–1.94)
Shared bedroom in childhood
No 1 1 1
Yes 1.22 (0.85–1.76) 0.91 (0.72–1.16) 0.99 (0.70–1.39)
Birth weight
3000–4000 g 1 1 1
Less than 2500 g 2.00 (0.89–4.50) 1.22 (0.65–2.31) 0.96 (0.39–2.35)
2500–3000 g 1.41 (0.81–2.45) 1.04 (0.71–1.52) 1.21 (0.73–1.99)
More than 4000 g 0.72 (0.36–1.44) 0.89 (0.60–1.31) 0.54 (0.28–1.04)
Level of education
Secondary school or less 1 1 1
High school 1.00 (0.59–1.67) 1.10 (0.79–1.54) 1.49 (0.91–2.43)
University 1.09 (0.67–1.78) 1.15 (0.84–1.58) 1.13 (0.69–1.84)