Table 3 Adjusted* odds ratio (OR) with 95% confidence intervals (CI) for respiratory symptoms and asthma in relationship to indoor dampness.

	Water damage	Wet floors	Visible moulds	Any dampness
Wheeze	1.32 (1.17 to 1.49)	1.54 (1.25 to 1.90)	1.54 (1.31 to 1.80)	1.38 (1.24 to 1.53)
Nocturnal breathlessness	1.81 (1.50 to 2.19)	2.58 (1.93 to 3.45)	1.72 (1.35 to 2.20)	1.80 (1.51 to 2.15)
Nocturnal cough	1.34 (1.21 to 1.49)	1.66 (1.38 to 2.00)	1.41 (1.22 to 1.63)	1.40 (1.28 to 1.54)
Productive cough	1.34 (1.18 to 1.51)	1.52 (1.23 to 1.87)	1.36 (1.15 to 1.61)	1.34 (1.20 to 1.50)
Asthma	1.18 (0.95 to 1.44)	1.67 (1.22 to 2.27)	1.53 (1.18 to 1.98)	1.27 (1.06 to 1.52)

*All values are adjusted for age, study centre, sex, body mass index, rhinitis, smoking status, type of housing, age of the building, and socioeconomic status. Each variable for indoor dampness was entered one at a time.