Subjects n | 256 | 26 723 |
Males | 171 (66.8) | 15 770 (59.0) |
Age years median | 64.5 | 60.0 |
55–59 years | 1 (0.4) | 11 440 (42.8) |
60–64 years | 139 (54.3) | 8170 (30.6) |
65–69 years | 90 (35.2) | 4756 (17.8) |
70–74 years | 26 (10.2) | 2352 (8.8) |
Current smokers | 121 (47.3)ƒ | 12 869 (48.2) |
Smoking pack-years | 55 (25–235) | 48 (18–295) |
Duration of smoking years | 44 (23–59) | 43 (12–69) |
Airflow limitation on spirometry# | 155 (60.5) | |
Airflow limitation mild¶ | 102 (39.8) | |
Self-reported occupational asbestos exposure+ | 31 (12.1) | 1238 (4.6) |
White/Caucasian ethnicity | 254 (99.2) | 24 289 (90.9) |
Received tertiary education | 119 (46.5) | 14 695 (55.0) |
Family history of lung cancer§ | 46 (18.0) | 5815 (21.8) |