Characteristics of the study population and prevalence of respiratory symptoms and asthma in dry versus damp homes
Any dampness | p value | ||
---|---|---|---|
No (n = 13122) | Yes (n = 2873) | ||
Values are percentages unless otherwise stated. | |||
Mean (SD) age (years) | 40.1 (7.3) | 38.5 (7.2) | <0.0001 |
Women | 52.1 | 57.0 | <0.0001 |
Smoking history | 0.0008 | ||
Never smokers | 46.2 | 42.9 | |
Ex-smokers | 25.1 | 25.2 | |
Current smokers | 28.6 | 31.9 | |
Type of housing | <0.0001 | ||
Apartment | 40.2 | 50.4 | |
Semi-detached | 15.5 | 14.3 | |
Detached | 44.2 | 35.2 | |
Age of housing (years) | <0.0001 | ||
0–10 | 10.7 | 5.9 | |
11–20 | 19.6 | 16.4 | |
21–40 | 34.1 | 36.0 | |
>40 | 35.7 | 41.7 | |
Respiratory symptoms | |||
Wheeze | 19.1 | 26.0 | <0.0001 |
Nocturnal breathlessness | 4.4 | 8.4 | <0.0001 |
Nocturnal cough | 27.2 | 36.5 | <0.0001 |
Productive cough | 16.6 | 22.3 | <0.0001 |
Asthma | 6.0 | 7.7 | 0.0009 |