Table 2

Prevalence of daily smoking [95% c.i.] by individual characteristics and the distribution of study population over the categories

Variable
Prevalence of daily smoking [95% C.I.]
N (%)
p-value (Pearson's χ2)

Age


< 0.0001
     40
22.5 [19.6–25.4]
822 (20.0)

     45
29.3 [26.3–32.3]
897 (21.8)

     50
25.4 [22.6–28.2]
913 (22.2)

     55
19.5 [17.1–22.1]
989 (24.0)

     60
12.2 [9.3–15.1]
492 (12.0)

Education


< 0.0001
     elementary
33.8 [30.6–37.0]
841 (20.4)

     vocational
27.2 [24.3–30.1]
880 (21.4)

     secondary
20.6 [18.5–22.7]
1377 (33.5)

     university degree
12.4 [10.4–14.4]
1015 (24.7)

Occupational SES


< 0.0001
     manual
34.6 [30.3–38.9]
463 (11.3)

     routine non-manual
27.9 [25.8–30.0]
1759 (42.8)

     semi-professional
17.1 [14.5–19.7]
776 (18.9)

     managerial/professional
13.5 [11.4–15.4]
1115 (27.1)

Family type


< 0.0001
     single
23.2 [20.2–26.2]
775 (18.8)

     single parent
32.4 [27.2–37.4]
327 (8.0)

     2 or more adults + no children
22.9 [20.8–25.0]
1544 (37.5)

     2 or more adults + children
20.0 [18.0–22.0]
1467 (35.7)

ALL
22.7 [21.4–24.0]
4113 (100)


Karvonen et al. BMC Public Health 2008 8:134   doi:10.1186/1471-2458-8-134