Table 1 Study population characteristics for 5,134 Danish women by BMI. Danish Diet, Cancer, and Health Cohort (1993–2008)

N women

5,134

74

2,381

1,772

657

182

68

N (%) non-participants in screening

557 (10.9)

17 (23.0)

285 (12.0)

152 (8.6)

62 (9.4)

28 (15.4)

13 (19.1)

N (%) Previously screened

3,914 (76.2)

59 (79.7)

1,750 (73.5)

1,387 (78.3)

517 (78.7)

149 (81.9)

52 (76.5)

Mean (SD) BMI, kg/m²

26.0 (4.7)

17.5 (0.9)

22.4 (1.6)

27.1 (1.4)

31.8 (1.3)

37.2 (1.4)

43.2 (3.6)

Mean (SD) birth cohort, year

1938 (4.5)

1936 (4.7)

1938 (4.5)

1937 (4.6)

1937 (4.5)

1937 (4.5)

1938 (4.6)

Mean (SD) age at screening, years

56.4 (4.5)

57.7 (4.6)

55.9 (4.4)

56.8 (4.5)

56.8 (4.5)

57.2 (4.4)

56.5 (4.5)

Mean (SD) age at menarche, years

13.6 (1.7)

14.1 (1.6)

13.8 (1.6)

13.5 (1.7)

13.3 (1.7)

13.4 (1.9)

13.1 (2.0)

Mean (SD) age at first birth, years

22.6 (4.2)

23.1 (4.0)

23.2 (4.1)

22.3 (4.2)

22.2 (4.4)

21.5 (3.7)

22.1 (3.7)

Mean (SD) age at menopause, years

48.4 (5.6)

45.9 (7.2)

48.5 (5.5)

48.4 (5.6)

48.6 (5.5)

49.0 (5.2)

47.4 (5.7)

N (%) basis school

1,194 (23.3)

14 (18.9)

460 (19.3)

438 (24.7)

206 (31.4)

57 (31.3)

19 (27.9)

N (%) higher education, 1–2 years

2,053 (40.0)

35 (47.3)

961 (40.4)

714 (40.3)

245 (37.3)

67 (36.8)

31 (45.6)

N (%) higher education, 3–4 years

1,228 (23.9)

15 (20.3)

586 (24.6)

424 (23.9)

144 (21.9)

46 (25.3)

13 (19.1)

N (%) higher education, ≥5 y.

659 (12.8)

10 (13.5)

374 (15.7)

196 (11.1)

62 (9.4)

12 (6.6)

5 (7.4)

N (%) postmenopausal

4,114 (80.1)

61 (82.4)

1,854 (77.9)

1,459 (82.3)

537 (81.7)

153 (84.1)

50 (73.5)

N (%) ever used HRT

2,097 (40.8)

32 (43.2)

976 (41.0)

775 (43.7)

245 (37.3)

54 (29.7)

15 (22.1)

N (%) nulliparous

549 (10.7)

15 (20.3)

269 (11.3)

183 (10.3)

59 (9.0)

15 (8.2)

8 (11.8)

N (%) 1–2 children

2,034 (39.6)

32 (43.2)

991 (41.6)

682 (38.5)

233 (35.5)

70 (38.5)

26 (38.2)

N (%) 3–4 children

1,925 (37.5)

19 (25.7)

882 (37.1)

683 (38.6)

248 (37.7)

72 (39.6)

21 (30.9)

N (%) ≥5 children

626 (12.2)

8 (10.8)

239 (10.0)

224 (12.6)

117 (17.8)

25 (13.7)

13 (19.1)

N (%) ever breastfed

4,228 (82.4)

53 (71.6)

1,945 (81.7)

1,494 (84.3)

538 (81.9)

150 (82.4)

48 (70.6)

N (%) ever used oral contraceptives

2,832 (55.2)

38 (51.4)

1,359 (57.1)

989 (55.8)

334 (50.8)

84 (46.2)

28 (41.2)

N (%) never smokers

1,913 (37.3)

16 (21.6)

796 (33.4)

688 (38.8)

297 (45.2)

86 (47.3)

30 (44.1)

N (%) current smokers

2,083 (40.5)

49 (66.2)

1,088 (45.7)

651 (36.7)

224 (34.1)

47 (25.8)

24 (35.3)

N (%) past smokers

1,138 (22.2)

9 (12.2)

497 (20.9)

433 (24.5)

136 (20.7)

49 (26.9)

14 (20.6)

N (%) alcohol abstainers

228 (4.4)

4 (5.4)

101 (4.2)

61 (3.4)

34 (5.2)

16 (8.8)

12 (17.6)

N (%) alcohol occasionally, monthly

1,607 (31.3)

23 (31.1)

645 (27.1)

559 (31.6)

261 (39.7)

89 (48.9)

30 (44.1)

N (%) alcohol ≤ 4 units/week

2,165 (42.2)

24 (32.4)

1,028 (43.2)

778 (43.9)

256 (39.0)

58 (31.9)

21 (30.9)

N (%) alcohol ≥ 5 units/week

1,134 (22.1)

23 (31.1)

607 (25.5)

374 (21.1)

106 (16.1)

19 (10.4)

5 (7.4)

N (%) participates in sport, weekly

2,543 (49.5)

29 (39.2)

1,251 (52.5)

892 (50.3)

276 (42.0)

69 (37.9)

26 (38.2)

N (%) angina pectoris

132 (2.6)

2 (2.7)

40 (1.7)

54 (3.0)

30 (4.6)

4 (2.2)

2 (2.9)

N (%) diabetes

92 (1.8)

0 (0.0)

25 (1.0)

25 (1.4)

28 (4.3)

8 (4.4)

6 (8.8)

N (%) hypercholesterolemia

307 (6.0)

4 (5.4)

113 (4.8)

116 (6.6)

53 (8.1)

16 (8.8)

5 (7.4)

N (%) hypertension

964 (18.8)

12 (16.2)

311 (13.1)

354 (20.0)

185 (28.2)

75 (41.2)

27 (39.7)

N (%) myocardial infarction

58 (1.1)

3 (4.0)

17 (0.7)

22 (1.2)

11 (1.7)

2 (1.1)

3 (4.4)

N (%) stroke

69 (1.3)

5 (6.8)

16 (0.7)

32 (1.8)

9 (1.4)

5 (2.7)

2 (2.9)