Table 2 Baseline characteristics according to body mass index in middle-aged Japanese men and women

Men (n = 35,365)

 No. of participants

1,447

4,904

8,621

10,341

10,052

 Age (years)

53.6

52.5

51.8

51.3

50.7

 Smoking status (%)

  Nonsmokers

27.9

28.9

33.5

38.4

41.9

  Current smokers

58.9

56.6

50.0

42.8

38.4

  Ex-smokers

13.2

14.5

16.5

18.8

19.7

 Alcohol intake^a (%)

  ALC_0

30.9

27.8

25.2

24.4

25.8

  ALC_1

40.4

41.1

42.4

44.3

43.6

  ALC_2

28.7

31.1

32.4

31.3

30.6

 History of hypertension (%)

13.5

13.2

16.5

19.8

25.2

 History of diabetes (%)

2.8

3.0

3.4

3.4

3.9

Women (n = 40,825)

 No. of participants

2,202

5,975

10,484

10,121

12,043

 Age (years)

52.6

51.1

51.5

51.5

52.3

 Smoking status (%)

  Nonsmokers

91.2

93.1

94.7

95.2

94.8

  Current smokers

8.0

6.1

4.5

4.1

4.2

  Ex-smokers

0.8

0.8

0.8

0.7

1.0

 Alcohol intake^a (%)

  ALC_0

83.0

81.5

81.4

82.3

85.0

  ALC_1

9.7

11.6

12.0

11.8

10.1

  ALC_2

7.3

6.9

6.6

5.9

4.9

 History of hypertension (%)

11.4

11.9

15.4

19.9

29.4

 History of diabetes (%)

1.7

1.4

1.3

1.7

2.9