Age-adjusted cardiovascular, respiratory and all-cause mortality rates in 1,623 males over 26 yrs according to baseline smoking status and quartile of relative forced expiratory volume in one second (FEV1)
| Quartile of relative FEV1 | ||||
| 1 | 2 | 3 | 4 | |
| Never-smokers n | 68 | 93 | 121 | 116 |
| Cardiovascular | 15.6 | 17.5 | 14.9 | 21.9 |
| Respiratory | 3.0 | 2.7 | 2.5 | 1.6 |
| All causes | 35.9 | 34.6 | 30.4 | 32.6 |
| Former smokers n | 98 | 129 | 134 | 160 |
| Cardiovascular | 22.0 | 11.6 | 11.8 | 12.7 |
| Respiratory | 7.4 | 3.3 | 1.5 | 1.8 |
| All causes | 45.0 | 24.6 | 26.6 | 24.2 |
| Current smokers n (1–10 cigarettes·day−1) | 78 | 75 | 50 | 57 |
| Cardiovascular | 24.5 | 22.6 | 28.4 | 17.1 |
| Respiratory | 10.6 | 4.0 | 9.6 | 3.9 |
| All causes | 46.1 | 35.7 | 49.4 | 38.5 |
| Current smokers n (>10 cigarettes·day−1) | 161 | 109 | 101 | 73 |
| Cardiovascular | 23.3 | 26.1 | 25.2 | 15.1 |
| Respiratory | 17.9 | 6.5 | 6.0 | 13.1 |
| All causes | 56.1 | 53.4 | 48.2 | 34.2 |
| Total n | 405 | 406 | 406 | 406 |
| Cardiovascular | 21.8 | 19.2 | 18.2 | 21.6 |
| Respiratory | 11.5 | 4.1 | 3.9 | 3.9 |
| All causes | 48.0 | 37.0 | 36.0 | 29.9 |
Data are presented as %, unless otherwise stated.