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Table 1 Characteristics of the Study Population, Lima, Peru 2006.

From: Association between insulin resistance and c-reactive protein among Peruvian adults

Characteristics Women (N = 956) Men (N = 569) **P-Value
Age 39.9 ± 14.5 38.3 ± 15.9  
Ever smoking (%) 16.0 44.5 <0.001
Current smoking (%) 9.6 32.0 <0.001
BMI (kg/m2) 26.6 ± 4.8 26.1 ± 4.0 0.042
Waist Circumference (cm) 88.3 ± 11.5 92.0 ± 10.6 <0.001
Hip circumference (cm) 99.6 ± 10.7 98.8 ± 8.4 0.111
Total cholesterol (mg/dl) 186.0 ± 42.0 179.6 ± 39.1 0.003
HDL cholesterol (mg/dl) 48.5 ± 0.4 42.6 ± 0.4 <0.001
LDL cholesterol (mg/dl) 114 (94-138) 110 (92-135) 0.042
Triglycerides (mg/dl) 104(69.0-156.0) 124(84.0-188.5) <0.001
Systolic blood pressure (mm Hg) 113.4 ± 16.1 119.9 ± 13.8 <0.001
Diastolic blood pressure (mm Hg) 71.5 ± 10.4 75.5 ± 10.6 <0.001
CRP (mg/l) 1.5 (0.6-3.4) 1.5 (0.6-3.8) 0.252
Fasting insulin(μU/ml) 15.0 (10.2-22.8) 16.0 (10.6-23.9) 0.319
Fasting glucose(mmol/l) 4.8 ± 1.0 4.9 ± 1.1 0.180
HOMA-IR 3.1 (2.1-4.9) 3.4 (2.2-5.3) 0.167
  1. * Data are mean ± SD, percentages or median (interquartile range) for variables with skewed distributions Test of significance was based on log-transformed values
  2. ** P-value from Chi-Square test for categorical variables or from Student's t-test for continuous variables