Table 1—

Baseline characteristics of the study population by conversion group

CharacteristicNonconvertersConvertersP*
n729143
Age (years)54.4 ± 0.3256.1 ± 0.650.02
Sex (% women)409 (56)87 (61)0.30
Ethnicity
    Non-Hispanic white297 (41)55 (38)
    African American187 (26)37 (26)0.85
    Hispanic245 (34)51 (36)
WST (cm)89.3 ± 0.4695.8 ± 1.01<0.001
TG (mg/dl)130 ± 3.2155 ± 7.20.001
HDL cholesterol (mg/dl)47.6 ± 0.5642.7 ± 1.20.0003
Systolic blood pressure (mmHg)121.0 ± 0.61126.2 ± 1.60.003
Diastolic blood pressure (mmHg)77.6 ± 0.3478.4 ± 0.810.30
PAI-1 (ng/ml)20.7 ± 0.7830.0 ± 1.83<0.001
Si (×10−4 · min−1 · μU−1 · ml−1)2.35 ± 0.071.27 ± 0.14<0.001
High TGs201 (27)60 (42)<0.001
Low HDL cholesterol382 (52)96 (67)0.0012
Hypertension209 (29)63 (44)<0.001
High PAI-I153 (21)57 (40)<0.001
IGT195 (27)97 (68)<0.001
  • Data are means ±SE or n (%).

  • *

    * P values for t test or χ2 test.