Table 3

Characteristics of smoking habits

MaleFemale
*Where no range is given, n = 1.
Smoking classification (% of current smokers/sex group (n))
Quest +ve & CO +ve63.4 (52)40.9 (9)
Quest +ve & CO −ve29.3 (24)31.8 (7)
Quest −ve & CO +ve7.3 (6)27.3 (6)
Mean (SD) age started smoking
15–34 years18.6 (5.10)22.5 (0.71)
35–54 years22.8 (6.15)21.5 (4.46)
55+ years22.8 (7.85)22.7 (5.34)
Total21.9 (6.8)22.6 (5.09)
Median (range)* number smoked per day (current smokers)n=74n=15
15–34 years6 (1–20)1 (–)
35–54 years8 (2–30)5 (–)
55+ yrs5 (2–40)3 (1–20)
Total6 (1–40)3 (1–20)
Median (range)* years smoked (current smokers)n=79n=19
15–34 years4 (1–17)1.5 (1–2)
35–54 years19 (2–39)20 (–)
55+ years40 (11–63)39.5 (29–65)
Total20 (1–63)39 (1–65)
Pack years*
Ex-smokers median (range)n=53n=31
15–34 years0.15 (0.004–9)0 (–)
35–54 years0.83 (0.1–28)0.9 (0.001–5)
55+ years12.4 (0.6–90)1.68 (0.1–40)
Total5.0 (.004–90)1.6 (0.001–40)
Median (range) current smokersn=71n=15
15–34 years1 (0.1–6)<1 (–)
35–54 years7 (0.3–39)5 (–)
55+ years9.6 (1.1–126)5 (2.8–45)
Total6.48 (0.00–126)5.0 (0–45)
Reasons for quitting (% of ex-smoker/sex group (n))n= 55n=29
Current health problems21.8 (12)34.5 (10)
Potential health problems40.0 (22)38.0 (11)
Financial reasons5.5 (3)6.9 (2)
Family pressure7.3 (4)10.3 (3)
Other25.5 (14)10.3 (3)