Skip to main content
. Author manuscript; available in PMC: 2013 May 1.
Published in final edited form as: Epidemiology. 2012 May;23(3):482–485. doi: 10.1097/EDE.0b013e31824d5d82

eTABLE 3.

Study Population Characteristics

Characteristic Cases a N = 490 Controls b N = 870
Age (years, mean(SD)) 58.6 (10.2) 57.1 (10.6)
Men (%) 80.6 78.7
White (%) 93.0 93.5
Years married (mean(SD)) 29.4 (14.0) 27.3 (14.4)
Formal education beyond high-school (%) 67.1 79.5
Currently employed (%) 59.8 66.3
Current smoker (%) 31.3 9.5
Former smoker (%) 37.0 42.5
Diabetes mellitus (%) 12.1 4.5
Hypertension (%) 35.7 22.1
Hypercholesterolemia (%) 24.3 21.3
Weight (kg, mean(SD)) 83.3 (17.2) 81.4 (16.1)
Height (cm, mean(SD)) 176.4 (9.3) 176.2 (9.2)
Family history of myocardial infarction or sudden death (%) 54.9 40.3
Early family history of same (%) 25.4 13.7
Self-perceived health (%)
    Excellent 25.0 36.0
    Very good 29.5 39.4
    Good 28.9 20.1
    Fair 16.7 4.5
Dietary eicosapentaenoic acid and
docosahexaenoic acid (g/mo, mean (25th, 75th percentiles)) 4.5 (0.9, 6.1) 5.8 (1.6, 7.7)
Fat Intake Scale score 21.8 (3.8) 21.2 (3.9)
One or more alcoholic beverages/day 28.0 26.8
Aspirin user (%) 46.5 44.3
Caffeine (mg/d, mean (25th, 75th percentiles)) 437.0 (104.2, 562.0) 306.0 (45.5, 426.6)
Habitual vigorous physical activity (%) 29.6 42.6
a

Missing values for white race (n = 4), years married (n = 2), current smoker (n = 1), former smoker (n = 1), diabetes mellitus (n = 2), hypertension (n = 6), hypercholesterolemia (n = 13), weight (n = 9), family history of myocardial infarction or sudden death (n = 9), early family history of myocardial infarction or sudden death (n = 9), self-perceived health (n = 5), dietary eicosapentaenoic acid and docosahexaenoic acid (n = 10), Fat Intake Scale score (n = 15), aspirin use (n = 56).

b

Missing values for white race (n = 7), years married (n = 2), current smoker (n = 8), former smoker (n = 8), diabetes mellitus (n = 2), hypertension (n = 11), hypercholesterolemia (n = 9), weight (n = 66), height (n = 4), family history of myocardial infarction or sudden death (n = 6), early family history of myocardial infarction or sudden death (n = 6), self-perceived health (n = 1), dietary eicosapentaenoic acid and docosahexaenoic acid (n = 23), Fat Intake Scale score (n = 33), alcohol (n = 1), aspirin use (n = 71), caffeine (n = 1).