Table 1

Baseline characteristic of 21,054 US male physicians according to nut consumption

Variables

Categories of nut consumption


Rarely/Never

N = 4,273

1-3/month

N = 7,654

1/week

N = 4,965

2-6/week

N = 3,617

≥ 7/week

N = 545


Age (years)

55.4 ± 9.9

54.3 ± 9.4

54.3 ± 9.3

54.5 ± 9.3

55.9 ± 9.8

Body mass index (kg/m2)

24.8 ± 2.9

24.8 ± 2.8

24.9 ± 2.8

24.7 ± 2.6

24.1 ± 2.5

Randomized to ASA (%)

50.4

49.9

49.2

50.6

50.6

Randomized to Beta-Carotene (%)

50.6

49.9

50.2

49.2

50.5

Hypercholesterolemia (%)

12.4

11.6

12.2

12.0

12.6

Hypertension (%)

26.3

23.9

22.9

21.4

19.0

Physical activity

67.2

71.9

74.6

75.5

77.1

[exercise to sweat ≥ 1 per week] (%)

Current smokers (%)

12.4

10.9

10.5

10.4

11.8

Cereal intake [servings per week]

(%)

≤ 1

59.5

55.1

51.6

50.8

50.6

2-6

19.9

23.9

26.5

27.0

18.5

≥ 7

20.6

20.9

22.0

22.2

30.8

Fruit/vegetable (servings/week)

16.4 ± 9.0

16.4 ± 8.6

16.9 ± 8.4

17.4 ± 8.4

18.8 ± 10.8

Peanut butter consumption (%)

Rarely/Never

65.0

39.8

27.3

27.0

33.0

1-3/month

14.5

31.4

23.9

18.2

22.7

1/week

8.9

13.8

27.5

19.8

14.6

2-6/week

9.3

12.5

19.0

30.8

15.7

≥ 7/week

2.3

2.5

2.4

4.3

14.0

Current drinking (%)

83.0

86.0

86.0

85.0

80.7

Diabetes mellitus (%)

3.7

2.9

2.9

3.6

5.9

Congestive heart failure (%)

0.2

0.1

0.1

0.1

0.0

Coronary heart disease (%)

1.5

1.0

1.0

0.9

0.6


Data are presented as mean ± standard deviation or percentages

Khawaja et al. Nutrition Journal 2012 11:17   doi:10.1186/1475-2891-11-17

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