Table 3.

Multivariable adjusted relative risks for incident PAD: The ARIC Study, 1987 to 2002a

VariablesPredictors of Incident PAD (RR [95% CI])
Age1.05 (1.04 to 1.07)
Gender
    female1.00
    male0.67 (0.56 to 0.80)
Race
    black1.00
    white0.55 (0.35 to 0.88)
ARIC field center
    Minneapolis1.00
    Washington2.18 (1.75 to 2.72)
    Forsyth0.99 (0.76 to 1.29)
    Jackson0.88 (0.53 to 1.45)
Diabetes
    no1.00
    yes1.85 (1.50 to 2.29)
LDL cholesterol
    <100 mg/dl1.00
    100 to 130 mg/dl1.42 (1.05 to 1.90)
    131 to 160 mg/dl1.46 (1.09 to 1.96)
    >160 mg/dl1.55 (1.15 to 2.08)
HDL cholesterol
    <40 mg/dl1.00
    40 to 60 mg/dl0.78 (0.65 to 0.94)
    >60 mg/dl0.49 (0.36 to 0.66)
Triglycerides
    <78 mg/dl1.00
    79 to 109 mg/dl0.93 (0.72 to 1.21)
    110 to 156 mg/dl0.99 (0.77 to 1.28)
    >157 mg/dl0.88 (0.67 to 1.15)
Prevalent coronary heart disease
    no1.00
    yes2.25 (1.78 to 2.85)
Pack-years of cigarette smoking
    <3.91.00
    4.0 to 5.40.46 (0.36 to 0.59)
    5.5 to 7.80.46 (0.36 to 0.58)
    >7.80.88 (0.67 to 1.00)
BMI
    <251.00
    25 to 300.97 (0.80 to 1.18)
    >300.97 (0.77 to 1.21)
Physical activity
    high1.00
    moderate1.10 (0.88 to 1.37)
    low1.23 (1.03 to 1.48)
Use of alcohol
    no1.00
    yes0.90 (0.76 to 1.06)
Use of cholesterol medication
    no1.00
    yes1.15 (0.79 to 1.69)
  • a CI, confidence interval; RR, relative risk.