Participantsa (n = 358), % | Non-participants (n = 324), % | |
---|---|---|
Median age, years | 50 | 52 |
Sex, male | 47 | 40 |
Current smoker | 43 | 36 |
Former smoker | 17 | 15 |
Influenza immunisation | 13 | 10 |
Pneumococcal immunisation | 4 | 5 |
Chronic obstructive pulmonary disease | 11 | 16 |
Any underlying disease | 34 | 40 |
Cough | 98 | 97 |
Dyspnoea | 54 | 42 |
Sputum production | 71 | 69 |
Tachypnoea (respiratory rate >20/min) | 14 | 13 |
Tachycardia (heart rate >100/min) | 10 | 5 |
Temperature >37.5°C | 43 | 42 |
Abnormal auscultation | 37 | 38 |
Diagnosis, pneumonia | 35 | 31 |
Diagnosis, acute bronchitis | 54 | 50 |
Diagnosis, acute exacerbation of chronic obstructive pulmonary disease | 9 | 13 |
Antibiotic treatment initiated | 56 | 74 |
↵a For six participants, GPs' data were missing.