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
		Total	Placebo	ω-3 FA
Variable	Parameter	N = 42	N = 22	N = 20
Weight, kg	Baseline	84.8	81.6	86.3
	6 months	75.0	71.8	76.5
	Change	−9.5	−9.2	−11.3
	Relative change, %	−12	−11	−13
BMI, kg/m2	Baseline	30.9	30.7	31.2
	6 months	27.5	27.2	28.3
	Change	−3.6	−3.5	−3.8
	Relative change, %	−12	−11	−13
Waist circumference, cm	Baseline	100	102	98.5
	6 months	92	90	92.5
	Change	−8	−8	−7.5
	Relative change, %	−8	−8	−7
DXA total mass, kg	Baseline	84.2	81.4	85.6
	6 months	75.3	73.0	76.3
	Change	−8.2	−8.3	−8.0
	Relative change, %	−10	−10	−9
Total fat mass, kg	Baseline	38.9	35.7	41.6
	6 months	31.1	27.0	32.4
	Change	−8.4	−8.0	−8.7
	Relative change, %	−20	−20	−20
Fat mass index, kg/m2	Baseline	14.3	13.6	14.6
	6 months	10.8	10.6	12.3
	Change	−3.1	−3.1	−3.4
	Relative change, %	−20	−20	−20
Percent body fat	Baseline	47	46	49
	6 months	41	40	45
	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).