Table 1 Baseline characteristics of the study participants according to intake of whole grains and cereal fiber

n

367,442

73,488

73,489

73,489

73,488

73,489

73,489

Age, mean years

61.7

61.1

61.7

62.1

61.0

61.7

62.2

Female, %

43.9

30.7

51.9

40.4

35.0

49.9

40.2

Whites, %

92.9

92.6

92.9

93.2

91.2

93.0

94.4

College graduate, %

41.0

35.2

41.4

44.9

36.2

40.4

46.4

Married, %

68.1

72.7

65.2

68.9

69.8

66.1

69.9

Moderate physical activity (3–4 times/week), %

27.3

23.0

27.8

30.6

23.6

27.2

30.9

Vigorous physical activity (≥5 times/week), %

19.2

17.5

18.0

23.6

18.1

17.6

24.1

Overweight, %

42.4

44.5

42.0

41.0

43.9

42.2

41.1

Obesity, %

19.6

22.7

19.7

16.6

23.6

20.0

15.0

Very good or excellent self-report health, %

61.4

56.5

62.2

64.3

58.8

61.4

65.0

Previous or current use of postmenopausal hormone therapy, %

55.0

47.9

55.6

58.1

45.5

54.4

59.2

Former smoker, %

48.7

48.5

48.2

49.5

47.6

48.4

50.2

Current smoker, %

12.8

21.4

11.3

8.0

21.4

11.5

7.0

Median total energy intake (kcal/d)

1,805

2,394

1,527

1,855

2,330

1,563

1,832

Median alcohol intake (g/d)

14.7

32.5

10.0

8.8

27.5

11.6

9.9

Median servings of food

Red meat (oz/d)

2.0

3.1

1.6

1.7

3.1

1.71

1.6

Fruits (cup eq/d)

2.0

2.1

1.8

2.2

2.3

1.8

2.2

Vegetables (cup eq/d)

1.9

2.2

1.7

2.0

2.3

1.7

2.0