Table 3

Prevalence (%) of self reported respiratory symptoms, asthma, chronic bronchitis and use of asthma medication in 34 974 women and 30 743 men by age groups and smoking habits, with 95% confidence intervals. Nord-Trøndelag, Norway 1997

Age 20–44 yearsAge 45–69 yearsAge 70+ years
MenWomenMenWomenMenWomen
%95% CI%95% CI%95% CI%95% CI%95% CI%95% CI
Wheezing/breathless
Never smoker7.97.2, 8.67.77.0, 8.47.66.7, 8.59.28.4, 10.011.49.5, 13.312.411.4, 13.4
Ex-smoker9.98.6, 11.29.88.6, 11.012.511.6, 13.412.211.0, 13.418.917.3, 20.518.015.3, 20.7
Smoker15.414.2, 16.615.914.9, 16.918.617.4, 19.817.716.6, 18.824.021.4, 26.620.717.5, 23.9
Total10.39.8, 10.810.910.4, 11.413.012.4, 13.612.712.1, 13.318.217.1, 19.313.913.0, 14.8
Ever asthma
Never smoker8.17.4, 8.87.77.0, 8.47.36.5, 8.16.86.2, 7.46.85.3, 8.37.66.8, 8.4
Ex-smoker9.88.5, 11.19.78.5, 10.99.38.5, 10.18.87.8, 9.812.210.9, 13.511.99.7, 14.1
Smoker8.37.4, 9.29.08.2, 9.88.47.5, 9.39.88.9, 10.711.29.3, 13.110.68.2, 13.0
Total8.58.0, 9.08.58.0, 9.08.47.9, 8.98.37.8, 8.810.79.8, 11.68.57.8, 9.2
Asthma medication
Never smoker7.36.7, 7.97.97.2, 8.65.64.9, 6.36.76.1, 7.35.94.5, 7.36.65.8, 7.4
Ex-smoker9.07.7, 10.39.38.1, 10.58.27.4, 9.09.08.0, 10.011.910.6, 13.212.410.1, 14.7
Smoker6.55.7, 7.39.58.7, 10.36.86.0, 7.69.38.4, 10.211.29.3, 13.19.47.1, 11.7
Total7.36.8, 7.88.78.2, 9.27.16.7, 7.58.17.6, 8.610.39.4, 11.27.66.9, 8.3
Daily coughing in periods
Never smoker9.89.1, 10.59.79.0, 10.410.89.8, 11.811.811.0, 12.611.59.6, 13.411.710.7, 12.7
Ex-smoker11.29.8, 12.69.88.6, 11.010.69.7, 11.511.710.6, 12.816.214.7, 17.714.712.2, 17.2
Smoker24.322.9, 25.723.222.0, 24.429.428.0, 30.823.422.1, 24.729.726.9, 32.521.618.4, 24.8
Total14.213.6, 14.814.413.8, 15.016.515.9, 17.115.314.7, 15.917.916.8, 19.013.012.2, 13.8
Coughing with phlegm
Never smoker4.94.4, 5.54.54.0, 5.05.34.6, 6.05.65.0, 6.27.25.6, 8.85.95.2, 6.7
Ex-smoker6.45.4, 7.54.53.7, 5.46.45.7, 7.15.95.1, 6.810.49.2, 11.69.57.5, 11.5
Smoker13.812.7, 15.013.112.2, 14.117.216.0, 18.413.012.0, 14.022.119.6, 24.714.311.5, 17.0
Total7.77.3, 8.27.67.1, 8.09.48.9, 9.98.07.5, 8.412.111.2, 13.07.26.6, 7.9
Chronic bronchitis
Never smoker1.41.1, 1.71.20.9, 1.52.31.8, 2.82.72.3, 3.12.61.6, 3.53.02.4, 3.5
Ex-smoker1.51.0, 2.01.41.0, 1.93.53.0, 4.02.82.2, 3.45.74.8, 6.75.03.5, 6.5
Smoker4.74.0, 5.43.83.3, 4.48.47.6, 9.35.54.8, 6.212.710.7, 14.77.35.3, 9.4
Total2.42.1, 2.62.21.9, 2.44.74.3, 5.03.73.3, 4.06.55.8, 7.23.63.1, 4.1