Clinical Study

Changes in Body Composition, Cardiovascular Disease Risk Factors, and Eating Behavior after an Intensive Lifestyle Intervention with High Volume of Physical Activity in Severely Obese Subjects: A Prospective Clinical Controlled Trial

Table 3

Change in body composition from week 0 to 12 months within the ILI group .

Mean change (95% CI) Week 0 to 12 monthsP valueaMean change (95% CI) Week 0 to weeks 10–14P valueaMean change (95% CI) Weeks 10–14 to six monthsP valueaMean change (95% CI) Six to 12 monthsP valuea

Body mass index (kg/m2)−6.7 (−7.6, −5.7)<0.0001−5.8 (−6.2, −5.4)<0.0001−2.1 (−2.5, −1.7)<0.00011.2 (0.7, 1.7)<0.0001
Body weight (kg)−20.3 (−23.3, −17.3)<0.0001−17.5 (−18.9, −16.1)<0.0001−6.3 (−7.5, −5.1)<0.00013.5 (2.0, 5.1)<0.0001
Fat mass (kg)−17.5 (−20.1, −14.9)<0.0001−15.7 (−17.0, −14.4)<0.0001−5.2 (−6.2, −4.1)<0.00013.4 (2.1, 4.7)<0.0001
Fat-free mass (kg)−2.8 (−3.6, −2.0)<0.0001−1.7 (−2.3, −1.2)<0.0001−1.1 (−1.5, −0.7)<0.00010.1 (−0.3, 0.6)0.585
Skeletal muscle mass (kg)−1.7 (−2.2, −1.3)<0.0001−1.2 (−1.6, −0.9)<0.0001−0.7 (−0.9, −0.5)<0.00010.2 (−0.1, 0.5)0.225
Visceral fat area (cm2)−81.0 (−95.3, −66.7)<0.0001−82.3 (−89.8, −74.8)<0.0001−22.0 (−28.1, −15.9)<0.000123.3 (15.5, 31.1)<0.0001

Paired samples t-test.