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

From: Consumption of whole grains and cereal fiber and total and cause-specific mortality: prospective analysis of 367,442 individuals

  Total participants Whole grains Cereal fiber
Q1 Q3 Q5 Q1 Q3 Q5
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