Table 2.

Mean ± SEM macronutrient intakes for the low‐fat and portion control diet groups at baseline and week 6

	LF (n = 26)	PC (n = 27)
Total energy (kJ/day)
Baseline	7,150.8 ± 384.5	7,262.3 ± 500.6	nsa
Week 6	6,166.4 ± 209.7	5,693.6 ± 250.2	P < 0.001b
Change	−984.4 ± 373.9	−1,568.6 ± 614.4
Total fat (g/day)
Baseline	64.1 ± 5.2	64.4 ± 5.1	nsa
Week 6	41.4 ± 2.6	47.5 ± 3.2	P < 0.001b
Change	−22.7 ± 5.8	−16.8 ± 6.5
Total carbohydrates (g/day)
Baseline	185.8 ± 9.9	171.7 ± 16.2	nsa
Week 6	182.9 ± 7.1	148.2 ± 7.4	nsb
Change	−2.9 ± 10.5	−23.5 ± 17.3
Total protein (g/day)
Baseline	77.8 ± 5.5	89.0 ± 5.4	nsa
Week 6	75.3 ± 2.5	72.6 ± 4.1	P = 0.031b
Change	−2.54 ± 5.3	−16.4 ± 8.4
Percentage energy from fat (%/day)
Baseline	33.1 ± 1.7	32.9 ± 1.3	nsa
Week 6	24.9 ± 1.04	29.2 ± 1.0	P < 0.001b
Change	−8.2 ± 2.0	−3.9 ± 1.5
Percentage energy from carbohydrates (%/day)
Baseline	39.5 ± 1.7	34.9 ± 1.5	nsa
Week 6	45.6 ± 1.3	41.6 ± 1.4	P < 0.001b
Change	6.1 ± 1.9	6.7 ± 1.2
Percentage energy from protein (%/day)
Baseline	18.6 ± 1.0	22.6 ± 0.7	nsa
Week 6	21.5 ± 0.7	21.7 ± 0.9	nsb
Change	2.9 ± 1.0	−0.8 ± 1.3

LF, low‐fat group; PC, portion control group; kJ, kilojoule. P values < 0.1 are shown, ns = (not significant, P > 0.1).

^aDifferences between groups at baseline; no differences were found.

^bIndicates main effect of time (from baseline to week 6) using repeated measures ANOVA.