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Table 1 Characteristics of study population of US women, Third National Health and Nutrition Examination Survey, Phase 2 (1991-1994)

From: Gene polymorphisms in association with emerging cardiovascular risk markers in adult women

  Percent (Standard Error)
  N = 3,409
Age  
17-40 45.6 (1.8)
41-59 30.2 (1.6)
60+ 24.2 (2.2)
Race/Ethnicity  
   Non-Hispanic white 81.3 (1.8)
   Non-Hispanic black 13.2 (1.7)
   Mexican American 5.6 (0.8)
Educational attainment  
   < 12 yrs 22.1 (1.6)
   12 yrs 37.5 (1.4)
   College or above 40.4 (2.4)
BMI (kg/m2)  
   < 25 48.1 (1.9)
   25-29.9 25.4 (0.8)
   ≥ 30 26.5 (1.4)
Smoking status  
   Current smoker 25.7 (1.5)
   Former smoker 18.7 (1.4)
   Never smoker 55.6 (1.8)
Drinking status  
   Lifetime abstainer 17.9 (1.7)
   Former drinker 38.8 (1.3)
   Current drinker 43.3 (2.2)
Total dietary fiber intake  
   ≥ 7 gm/1000 kcal 59.8 (1.9)
   < 7 gm/1000 kcal 40.2 (1.9)
Total energy intake  
   ≥ 1600 kcal 56.4 (1.4)
   < 1600 kcal 43.6 (1.4)
Physical activity  
   None 22.7 (2.1)
   Low 35.3 (1.1)
   High 42.0 (1.9)
Menopausal status  
   Yes 40.7 (2.2)
   No 59.3 (2.2)
Aspirin use  
   None 68.0 (1.2)
   < 1 day/month 30.1 (1.1)
   ≥ 1 day/month 1.8 (0.4)
Female hormone use  
   Yes 16.0 (1.4)
   No 84.0 (1.4)
Serum C-reactive protein (mg/dL)a 0.33 (0.31,0.35)
Plasma fibrinogen (g/L)a 3.00 (2.95, 3.06)
Serum homocysteine (umol/L)a 8.17 (8.01, 8.33)
Serum uric acid (umol/L)a 270 (265, 276)
  1. a Data are geometric mean (95% confidence interval).