Smoking classification (% of current smokers/sex group (n)) | | |
Quest +ve & CO +ve | 63.4 (52) | 40.9 (9) |
Quest +ve & CO −ve | 29.3 (24) | 31.8 (7) |
Quest −ve & CO +ve | 7.3 (6) | 27.3 (6) |
| | |
Mean (SD) age started smoking | | |
15–34 years | 18.6 (5.10) | 22.5 (0.71) |
35–54 years | 22.8 (6.15) | 21.5 (4.46) |
55+ years | 22.8 (7.85) | 22.7 (5.34) |
Total | 21.9 (6.8) | 22.6 (5.09) |
| | |
Median (range)* number smoked per day (current smokers) | n=74 | n=15 |
15–34 years | 6 (1–20) | 1 (–) |
35–54 years | 8 (2–30) | 5 (–) |
55+ yrs | 5 (2–40) | 3 (1–20) |
Total | 6 (1–40) | 3 (1–20) |
| | |
Median (range)* years smoked (current smokers) | n=79 | n=19 |
15–34 years | 4 (1–17) | 1.5 (1–2) |
35–54 years | 19 (2–39) | 20 (–) |
55+ years | 40 (11–63) | 39.5 (29–65) |
Total | 20 (1–63) | 39 (1–65) |
| | |
Pack years* | | |
Ex-smokers median (range) | n=53 | n=31 |
15–34 years | 0.15 (0.004–9) | 0 (–) |
35–54 years | 0.83 (0.1–28) | 0.9 (0.001–5) |
55+ years | 12.4 (0.6–90) | 1.68 (0.1–40) |
Total | 5.0 (.004–90) | 1.6 (0.001–40) |
| | |
Median (range) current smokers | n=71 | n=15 |
15–34 years | 1 (0.1–6) | <1 (–) |
35–54 years | 7 (0.3–39) | 5 (–) |
55+ years | 9.6 (1.1–126) | 5 (2.8–45) |
Total | 6.48 (0.00–126) | 5.0 (0–45) |
| | |
Reasons for quitting (% of ex-smoker/sex group (n)) | n= 55 | n=29 |
Current health problems | 21.8 (12) | 34.5 (10) |
Potential health problems | 40.0 (22) | 38.0 (11) |
Financial reasons | 5.5 (3) | 6.9 (2) |
Family pressure | 7.3 (4) | 10.3 (3) |
Other | 25.5 (14) | 10.3 (3) |