Table 1—

Social, demographical, physical and dietary characteristics of study population

Whole sampleSubsample
Social class
 I+II#2430 (30.6)336 (31.4)
 IIINM1217 (15.3)175 (16.3)
 IIIM+2161 (27.2)278 (26.0)
 IV+V§1638 (20.7)226 (21.1)
 Other476 (6.0)56 (5.2)
 Total79221071
Smoking status
 Never3518 (44.4)484 (45.2)
 Exregular1490 (18.8)200 (18.7)
 Current2921 (36.8)387 (36.1)
 Total79291071
Cigarettes·day−1
 None5008 (63.2)684 (63.9)
 <10517 (6.5)61 (5.7)
 10–201152 (14.5)151 (14.1)
 >201246 (15.7)175 (16.3)
 Total79231071
Sex
 Male3524 (44.4)518 (48.4)
 Female4408 (55.6)553 (51.6)
 Total79321071
Dietary intake
 Fruit
  1–6 day1472 (18.6)204 (18.7)
  1–6 week4285 (54.0)576 (52.8)
  1–3 month1444 (18.2)193 (17.7)
  Rarely/never730 (9.2)117 (10.8)
  Total79311091
 Green vegetables
  ≥1 day2283 (28.8)297 (26.4)
  1–6 week4853 (61.2)681 (62.2)
  Rarely/never795 (10.0)123 (11.4)
  Total79311091
 Raw vegetables
  ≥1 day682 (8.6)84 (7.6)
  1–6 week4933 (62.2)679 (62.1)
  Rarely/never2315 (29.2)338 (30.3)
  Total79311091
 Root vegetables
  ≥1 day1243 (15.7)147 (12.7)
  1–6 week5460 (68.8)786 (71.8)
  Rarely/never1228 (15.5)168 (15.5)
  Total79311091
 Nonwhite fish
  ≥1 week2897 (36.5)399 (36.3)
  1–3 month2150 (27.1)292 (26.6)
  Rarely/never2884 (36.4)410 (37.1)
  Total79311091
 White fish
  ≥1 week4337 (54.7)619 (56.2)
  1–3 month1955 (24.6)267 (24.4)
  Less often/never1639 (20.7)215 (19.4)
  Total79311091
Subjects n
 Male3524533
 Female4408568
Age yrs
 Male40.4±13.340.7±13.2
 Female40.3±13.340.2±12.8
Height cm
 Male174.7±7.0174.5±7.0
 Female161.3±6.3160.8±5.8
Weight kg
 Male79.98±13.480.3±13.1
 Female67.08±13.265.5±12.8
  • Data are presented as n (%) or mean±sd unless otherwise stated

  • #: professional and managerial

  • : skilled nonmanual

  • +: skilled manual

  • §: semi- and unskilled manual 18