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Table 1 Sample means and standard deviations of selected variables for the subjects in the 4 exams in the Framingham offspring study1

From: A longitudinal analysis of the risk factors for diabetes and coronary heart disease in the Framingham Offspring Study

  Exam 1 N = 5120 Exam 2 n = 3861 Exam = 3 n = 3871 Exam 4 n = 4017
Age, y 36.3 ± 10.4    
Sex, 0–1 (Female = 1) 0.52 ± 0.50    
Height, inches 66.21 ± 3.76    
Weight, lb 158.34 ± 34.28 161.73 ± 34.23 165.78 ± 34.84 168.67 ± 35.31
BMI, Kg/m2 25.39 ± 4.42 25.82 ± 4.41 26.28 ± 4.58 26.91 ± 4.74
Systolic blood pressure, mm Hg 121.59 ± 15.96 122.34 ± 16.74 123.64 ± 16.78 129.97 ± 18.42
Diastolic blood pressure, mm Hg 78.32 ± 11.25 79.35 ± 11.08 79.42 ± 9.97 77.71 ± 10.72
HDL, mg/dL 50.52 ± 14.68 48.31 ± 13.46 50.88 ± 14.86 49.48 ± 14.83
LDL, mg/dL 124.86 ± 35.43 130.59 ± 35.19 133.88 ± 36.55 -
Cigarettes smoked per day2, n 13.95 ± 14.74 8.49 ± 13.76 6.83 ± 12.88 5.49 ± 11.55
Physical activity score, n - 3.91 ± 3.61 - 5.75 ± 4.20
Alcohol index, n 3.71 ± 5.09 3.77 ± 5.29 3.34 ± 4.84 2.85 ± 4.35
Proportion with diabetes 0.016 ± 0.13 0.026 ± 0.16 0.037 ± 0.19 0.051 ± 0.22
Proportion with coronary heart disease 0.013 ± 0.11 0.032 ± 0.18 0.047 ± 0.21 0.065 ± 0.25
Age diabetes diagnosed3, y 52.13 ± 10.20    
Age coronary heart disease diagnosed3, y 54.42 ± 8.76    
  1. 1Values are means ± standard deviations. 2 Only the smokers were included in these calculations. 3 Only the 6.7% of the subjects with diabetes and 9.3% subjects with coronary heart disease were included in these calculations.