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. Author manuscript; available in PMC: 2013 Apr 23.
Published in final edited form as: Ann Intern Med. 2009 Dec 1;151(11):775–783. doi: 10.1059/0003-4819-151-11-200912010-00005

Final regression model fitted to external validation datasets, ARIC/CHS (N=19,728, AUC=0.74)

Variable Odds Ratio (95% CI) P-value Log (Odds Ratio)
Age in years*
  <50 reference --- ---
  50–59 1.4 (1.1–1.8) 0.0014 0.36
  ≥60 2.5 (2.0–3.1) <0.0001 0.91
Sex
  Female reference --- ---
  Male 1.8 (1.6–2.0) <0.0001 0.57
Family history of diabetes
  No reference --- ---
  Yes 1.9 (1.7–2.2) < 0.0001 0.66
History of hypertension
  No reference --- ---
  Yes 2.3 (2.0–2.6) < 0.0001 0.83
Obesity**
 Not overweight or obese reference --- ---
  Overweight 1.8(1.4–2.3) < 0.0001 0.57
  Obese 3.6 (2.9–4.5) < 0.0001 1.28
  Extremely obese 8.8 (6.2–12.4) <0.0001 2.18
Physically active?
  No reference --- ---
  Yes 0.8 (0.7–0.9) 0.0004 −0.23
*

Minimum age is 45 in ARIC/CHS.

**

if (BMI≥40 kg/m2) or (waist≥50 inches for male) or (waist≥49 inches for female) then extremely obese;

else if (30≤BMI<40) or (40≤waist<50 for male) or (35≤waist<49 for female) then obese;

else if (25≤BMI<30) or (37≤waist<40 for male) or (31.5≤waist<35 for female) then overweight;

else not overweight or obese.

ARIC = Atherosclerosis Risk in Communities; AUC = area under the receiver-operating-characteristic curve; BMI = body mass index; CHS = Cardiovascular Health Study.