Table 2 Risk factors, presented as odds ratios (OR) and 95% confidence intervals (CI) for fewer-symptom asthma and multi-symptom asthma from a multiple logistic regression analysis of 18,087 responders in the West Sweden Asthma Study.

2.42 (1.93-3.05)

2.44 (1.55-3.84)

1.15 (0.69-1.91)

0.97 (0.81-1.15)

1.42 (1.03-1.97)

1.53 (1.05-2.22)

2.39 (2.02-2.82)

3.68 (2.72-4.99)

1.63 (1.16-2.29)

1.41 (1.22-1.63)

1.15 (0.87-1.52)

0.76 (0.56-1.05)

1.08 (0.92-1.27)

1.26 (0.96-1.66)

1.28 (0.93-1.77)

0.91 (0.78-1.07)

0.97 (0.71-1.33)

1.07 (0.75-1.52)

0.70 (0.59-0.83)

1.16 (0.84-1.59)

1.70 (1.18-2.45)

0.80 (0.66-0.97)

1.70 (1.21-2.38)

2.08 (1.40-3.09)

1.22 (1.06-1.41)

1.63 (1.28-2.07)

1.36 (1.03-1.80)

1.12 (0.99-1.27)

1.59 (1.26-2.02)

1.31 (1.00-1.72)

4.98 (4.37-5.68)

3.72 (2.90-4.76)

0.97 (0.73-1.29)

1.29 (1.09-1.52)

2.82 (2.15-3.71)

2.21 (1.64-2.97)

1.31 (1.10-1.55)

1.75 (1.32-2.31)

1.49 (1.10-2.02)