Table 2 Summary of the participants' responses to the questions in the AQ20 questionnaire.

Do you suffer from coughing attacks during the day?

Because of your chest trouble do you often feel restless?

Because of your chest trouble do you feel breathless maintaining the garden?

Do you worry when going to a friend's house that there might be something there that will set off an attack of chest trouble?

Do you suffer from chest symptoms as a result of exposure to strong smells, cigarette smoke or perfume?

Is your partner bothered by your chest trouble?

Do you feel breathless while trying to sleep?

Do you worry about the long term effects on your health of the drugs that you have to take because of your chest trouble?

Does getting emotionally upset make your chest trouble worse?

Because of your chest trouble are there times when you have difficulty getting around the house?

Because of your chest trouble do you suffer from breathlessness carrying out activities at work?

Do you feel breathless walking upstairs because of your chest trouble?

Because of your chest trouble do you suffer from breathlessness doing housework?

Because of your chest trouble do you go home sooner than others after a night out?

Because of your chest trouble do you suffer from breathlessness when you laugh?

Because of your chest trouble do you often feel impatient?

Because of your chest trouble do you feel that you cannot enjoy a full life?

Do you feel drained after a cold because of your chest trouble?

Do you have a feeling of chest heaviness?

Do you bother much about your chest trouble?