Table 2.

Changes in weight, BMI, waist circumference, and DXA body composition for 42 women completing 6 months of the weight-loss intervention, randomized to placebo versus ω-3-FA supplementation arms.

Median values
TotalPlaceboω-3 FA
VariableParameterN = 42N = 22N = 20
Weight, kgBaseline84.881.686.3
6 months75.071.876.5
Change−9.5−9.2−11.3
Relative change, %−12−11−13
BMI, kg/m2Baseline30.930.731.2
6 months27.527.228.3
Change−3.6−3.5−3.8
Relative change, %−12−11−13
Waist circumference, cmBaseline10010298.5
6 months929092.5
Change−8−8−7.5
Relative change, %−8−8−7
DXA total mass, kgBaseline84.281.485.6
6 months75.373.076.3
Change−8.2−8.3−8.0
Relative change, %−10−10−9
Total fat mass, kgBaseline38.935.741.6
6 months31.127.032.4
Change−8.4−8.0−8.7
Relative change, %−20−20−20
Fat mass index, kg/m2Baseline14.313.614.6
6 months10.810.612.3
Change−3.1−3.1−3.4
Relative change, %−20−20−20
Percent body fatBaseline474649
6 months414045
Change−4−5−4
Relative change, %−9−11−9
  • Note: Significant (P ≤ 0.01 by nonparametric Wilcoxon signed rank test) within-group change from baseline to 6 months for all body composition variables except: lean mass (total, P = 0.059; placebo, P = 0.47; omega-3, P = 0.014); total body percent fat (omega-3, P = 0.017).