Table 1.

Main characteristics of cases and controls

Cases (n = 243), n (%)Controls (n = 946), n (%)
SexMale136 (56.0)520 (55.0)
Female107 (44.0)426 (45.0)
CountryFrance3 (1.2)11 (1.2)
Italy44 (18.1)174 (18.4)
Spain29 (11.9)115 (12.2)
United Kingdom28 (11.5)105 (11.1)
The Netherlands18 (7.4)80 (8.5)
Greece11 (4.5)44 (4.7)
Germany30 (12.3)124 (13.1)
Sweden58 (23.9)225 (23.8)
Denmark22 (9.1)68 (7.2)
Smoking statusNever smoker83 (34.2)425 (44.9)
Former smoker87 (35.8)328 (34.7)
Current smoker73 (30.0)193 (20.4)
EducationNone12 (4.9)65 (6.9)
Primary103 (42.4)360 (38.1)
Technical57 (23.5)211 (22.3)
Secondary37 (15.2)146 (15.4)
University32 (13.2)151 (16.0)
Not specified2 (0.8)13 (1.4)
Hp infection*Not infected39 (16.2)299 (31.7)
Infected202 (83.8)644 (68.3)
Age (y) at recruitmentMean (SD)59.1 (0.51)59.5 (0.25)
Total vegetables (g/d)Mean (SD)184.5 (141.1)180.4 (131.0)
Citrus fruit (g/d)Mean (SD)51.3 (68.8)59.0 (75.6)
Total meat (g/d)Mean (SD)115.0 (62.3)107.4 (57.6)
  • * Two cases and three controls without information on Hp serology.