Table 1 Subjects characteristics before and after the two-month program. Data are means (± SD). Diet (n = 6) Exercise (n = 6) Diet/Exercise (n = 6) Before After Before After Before After Age (years) 13.4 (.2) 13.1 (.1) 13.0 (.4) PS (I / II-III / IV-V) 1 / 2 / 3 0 / 3 / 3 0 / 2 / 4 Weight (kg) 79.8 (11.2) 75.6 (10.5) * 81.7 (12.2) 80.3 (12.9) 78.9 (9.2) 73.1 (8.6) ** BMI (kg·m-2) 30.5 (2.2) 28.6 (2.1) * 30.6 (2.3) 29.5 (1.8) 30.0 (2.2) 27.7 (1.5) ** Body fat (kg) 32.4 (4.7) 28.3 (5.1) * 32.5 (4.4) 30.8 (4.5) 33.7 (5.4) 27.1 (3.4) ** WC (cm) 98.2 (7.4) 95.3 (8.5) * 103.4 (8.4) 101.7 (7.4) 96.8 (6.0) 91.1 (6.7) ** Glucose (mmol·l-1) 4.52 (0.13) 4.46 (.17) 4.47 (.16) 4.41 (.10) 4.55 (.13) 4.19 (.16) ** Insulin (µU·ml-1) 20.8 (5.3) 19.6 (4.7) 20.4 (5.1) 16.5 (4.4) * 22.3 (5.1) 13.4 (4.8) ** HOMA-IR 4.18 (1.8) 3.89 (1.3) 4.05 (1.4) 3.23 (1.6) * 4.51 (1.2) 2.50 (1.7) ** Adiponectin (µg·ml-1) 2.13 (.7) 2.62 (1.1) * 1.97 (0.5) 2.73 (0.9) * 2.21 (1.1) 3.35 (1.0) ** TG (mmol·l-1) 1.33 (.11) 1.27 (.13) 1.36 (.17) 1.15 (.12) * 1.41 (.19) 1.13 (.15) ** TC (mmol·l-1) 4.42 (.36) 3.99 (.57) * 4.28 (.32) 4.12 (.44) 4.48 (.49) 3.82 (.56) ** HDL-C (mmol·l-1) 1.12 (.10) 1.10 (.13) 1.08 (.08) 1.16 (.11) * 1.04 (.09) 1.19 (.16) ** LDL-C (mmol·l-1) 2.69 (.21) 2.31 (.23) * 2.58 (.15) 2.43 (.26) 2.79 (.22) 2.11 (.23) ** TC/HDL-C 3.95 (.62) 3.63 (.41) * 3.96 (.23) 3.55 (.36) * 4.31 (.42) 3.21 (.19) ** PS: Pubertal status, BMI: body mass index, WC: waist circumference, HOMA-IR: homeostasis model assessment index for insulin resistance, TG: triglycerides, TC: total cholesterol, HDL-C: high-density lipoprotein cholesterol, LDL-C: low-density lipoprotein-cholesterol. * p < 0.05 and ** p < 0.01 before versus after program.