Table 1—

Baseline characteristics of the ILI and DSE groups

CharacteristicIntervention assignment
P value
ILIDSE
n2,5702,575
Women1,526 (59.3)1,537 (59.6)0.85*
Ethnicity
    African American399 (15.5)404 (15.7)
    American Indian/Alaskan Native130 (5.1)128 (5.0)
    Asian/Pacific Islander29 (1.1)21 (0.8)0.28*
    Hispanic/Latino339 (13.2)338 (13.2)
    Non-Hispanic white1,618 (63.1)1,628 (63.3)
    Other/multiple48 (1.9)50 (1.9)
Age (years)58.6 ± 6.858.9 ± 6.90.12
History of cardiovascular disease371 (14.4)351 (13.6)0.40*
Metabolic syndrome2,406 (93.6)2,431 (94.4)0.32*
Use of insulin381 (14.8)408 (15.8)0.31*
BMI (kg/m2)
    Women36.3 ± 6.236.6 ± 6.00.15
    Men35.3 ± 5.735.1 ± 5.20.41
Weight (kg)
    Women94.8 ± 17.995.4 ± 17.30.34
    Men108.9 ± 19.0109.0 ± 18.00.94
Waist circumference (cm)
    Women110.5 ± 13.6111.2 ± 13.20.14
    Men118.7 ± 14.0118.4 ± 12.90.62
Fitness (METS)
    Women6.7 ± 1.76.6 ± 1.70.38
    Men7.9 ± 2.18.0 ± 2.20.89
  • Data are means ± SD or frequency (%).

  • *

    * χ2 test.

  • ANCOVA, adjusted for clinical center.

  • Self-report of prior myocardial infarction, stroke, transient ischemic attack, angioplasty/stent, coronary artery bypass graft, carotid endarterectomy, angioplasty of lower extremity, aortic aneurysm repair, or heart failure.