TABLE 1.
Characteristics of 907 men aged 73 years
| Variable (non-missing observations) | Value |
| Age, years | 73.2 (0.67) |
| Body mass index, kg·m−2 (n= 895) | 27.1 (3.8) |
| Smoking status (n=892) | |
| Daily | 41 (6%) |
| Sometimes | 11 (1%) |
| Former smoker | 530 (59%) |
| Never smoker | 310 (35%) |
| Pack-years of smoking (ever smokers) (n=522) | 9.1 (6.08–18.2)# |
| Respiratory disease (n=861) | 143 (17%) |
| Asthma | 47 (5%) |
| COPD | 32 (4%) |
| Sleep apnoea | 79 (9%) |
| Tuberculosis | 3 (1%) |
| Cardiovascular disease (n=861) | 318 (37%) |
| Angina pectoris | 62 (7%) |
| Atrial fibrillation | 135 (16%) |
| Carotid artery stenosis | 24 (3%) |
| Heart failure | 35 (4%) |
| Myocardial infarction | 79 (9%) |
| Stroke | 66 (8%) |
| Valvular heart disease | 43 (5%) |
| Diabetes mellitus | 146 (17%) |
Data are mean (sd) or frequency (percentage). #: medians (first and third quartile). COPD: chronic obstructive pulmonary disease.