Table 1

Baseline characteristics and details of follow-up for coronary heart disease (CHD), by body mass index.

Body mass index (kg/m2)


<20

20 to 24.9

25 to 29.9

30 to 34.9

≥35

All

n = 44,787

n = 509,874

n = 420,712

n = 145,551

n = 58,015

n = 1,178,939


Baseline characteristics

Age (years), mean (SD)

55.9 (5.0)

55.8 (4.8)

56.2 (4.8)

56.2 (4.8)

55.6 (4.6)

56.0 (4.8)

Current smoker,%

32.6

21.5

19.1

16.8

15.0

20.2

Lowest third of socioeconomic status,%

32.4

28.1

32.7

38.4

44.9

32.0

Non-drinker of alcoholic beverage,%

26.4

19.0

22.8

29.8

37.5

22.9

Rarely/never engage in strenuous physical activity,%

47.0

41.6

48.8

57.4

64.1

47.4

Follow-up (excluding first 4 years)

Person-years for first coronary event (1,000s)

223

2,592

2,105

716

280

5,916

Person-years for CHD death (1,000s)

225

2,618

2,134

729

285

5,992

Women with first coronary event, n

999

11,005

12,498

5,363

2,600

32,465

Women with CHD as underlying cause of death, n

117

811

856

377

270

2,431


Percentages are calculated based on women with complete information for that specific variable.

Canoy et al. BMC Medicine 2013 11:87   doi:10.1186/1741-7015-11-87

Open Data