Table 2 Distribution of answers to questionnaire concerning predictive symptoms of respiratory disease
Symptoms of respiratory disease | YES | NO | % Positive answers |
|---|---|---|---|
Do you cough frequently? (796 answers) | 173 | 623 | 27.8 |
Do you frequently have sputum production with cough? (802 a.) | 281 | 521 | 53.9 |
Do you complain of dyspnea under mild efforts? (808 a.) | 278 | 530 | 52.4 |
During physical activity do you have more shortness of breath than your companions of the same age? N = 764 | 278 | 496 | 56 |
Do you perceive wheezing in your chest when you breathe under effort? (792a.) | 113 | 679 | 16.6 |
Do you perceive wheezing in your chest when you breathe at night? (599 a.) | 69 | 530 | 13 |
Do you frequently catch a cold lasting more than that of other people you know? (811 a.) | 186 | 625 | 29.8 |