Table 4

Description of subjects in the three general populations

FranceThe Netherlands (men)Norway
(Men) (395)
Women (5571)Men (6217)Urban (854)Rural (780)
Age (mean (SD))41.7 (9.5)42.4 (9.5)42.2 (10.2)41.9 (11.0)42.5 (11.5)
Smoking (%):
 Non-smokers70.126.110.0 7.043.5
 Ex-smokers 6.618.117.310.323.6
 Smokers23.455.872.782.732.9
Self reported exposure (%)19.625.941.830.337.24-150
Different jobs (n)17722316510868
Subjects per job (n (%))
 Range2–8202–4652–562–2762–64
 <10 449 (8.1) 438 (7.0)416 (48.7)183 (23.5)188 (47.6)
 10–19 320 (5.7) 634 (10.2)208 (24.4) 86 (11.0)121 (30.6)
 20–491003 (18.0)1464 (23.6)161 (18.8)104 (13.3) 22 (5.6)
 ⩾503799 (68.2)3681 (59.2) 69 (8.1)407 (52.2) 64 (16.2)
  • 4-150 In the French and the Dutch surveys, subjects were considered exposed if they answered positively to one or two questions on exposure to dusts, gases, or chemical fumes. In the Norwegian survey, subjects were considered exposed if they answered positively to at least one of the following hazards : asbestos, quartz, wood dust, aluminium dust, welding, soldering, metal compounds in dust or gas form (chromium, nickel, platinum), petroleum products, solvents, detergents, pigments, plastics, paints or lacquers, or insecticides or pesticides.