Table 4 Mean difference in the diet and body composition outcomes from baseline to 8 weeks and 20 weeks, and p value for the difference in change between treatment groups

Fruit (excluding juice) (g/day)

8 week

7.3 (-27.9 to 42.5)

36.9 (-0.3 to 74.1)

29.6 (-21.6 to 80.8)

0.3793

20 week

12.9 (-17.0 to 42.9)

50.9 (1.2 to 100.5)

38.0 (-20.0 to 96.0)

Vegetables (g/day)

8 week

−0.5 (-19.1 to 18.1)

23.6 (6.9 to 40.2)

24.1 (-0.9 to 49.0)

0.0188

20 week

−7.1 (-26.9 to 12.7)

32.4 (13.3 to 51.4)

39.4 (12.0 to 66.9)

Vegetables (serves/day)

8 week

−0.01 (-0.3 to 0.2)

0.3 (0.1 to 0.5)

0.3 (-0.01 to 0.7)

0.0188

20 week

−0.1 (-0.4 to 0.2)

0.4 (0.2 to 0.7)

0.5 (0.2 to 0.9)

Dietary fibre (g/1000 kJ)

8 week

0.1 (-0.01 to 0.3)

0.3 (0.2 to 0.5)

0.2 (-0.02 to 0.4)

0.1942

20 week

0.1 (-0.1 to 0.2)

0.2 (0.1 to 0.4)

0.2 (-0.1 to 0.4)

Energy (kJ/day)

8 week

−244 (-806 to 318)

−492 (-912 to -72)

−248 (-949 to 453)

0.5739

20 week

111 (-836 to 1057)

−436 (-881 to 9)

−547 (-1592 to 499)

Total fat (g/day)

8 week

−3.4 (-10.3 to 3.5)

−7.4 (-12.0 to -2.9)

−4.0 (-12.3 to 4.2)

0.4165

20 week

0.5 (-10. 6 to 11.5)

−7.1 (-11.7 to -2.6)

−7.6 (-19.5 to 4.4)

Saturated fat (g/day)

8 week

−1.5 (-4.1 to 1.1)

−3.7 (-5.5 to -1.9)

−2.2 (-5.4 to 0.9)

0.2827

20 week

−0.4 (-4.4 to 3.6)

−3.4 (-5.3 to -1.5)

−3.0 (-7.4 to 1.4)

Red meat (g/day)

8 week

1.2 (-20.6 to 23.1)

−2.9 (-13.3 to 7.5)

−4.1 (-28.3 to 20.1)

0.4208

20 week

−6.0 (-28.3 to 16.3)

0.8 (-8.2 to 9.8)

6.8 (-17.3 to 30.9)

Processed meat (g/day)

8 week

−1.7 (-5.8 to 2.4)

0.1 (-2.7 to 2.9)

1.8 (-3.2 to 6.7)

0.6659

20 week

−2.6 (-8.9 to 3.6)

0.5 (-2.7 to 3.6)

3.1 (-3.9 to 10.1)

Alcohol (g/day)

8 week

−0.4 (-1.8 to 1.1)

−2.2 (-4.5 to 0.1)

−1.8 (-4.5 to 0.9)

0.2331

20 week

−1.6 (-3.6 to 0.5)

−1.3 (-4.0 to 1.3)

0.2 (-3.1 to 3.6)

% of energy provided by alcohol (%)

8 week

−0.3 (-1.2 to 0.6)

−1.0 (-2.0 to 0.1)

−0.7 (-2.1 to 0.7)

0.4265

20 week

−0.5 (-1.6 to 0.6)

−0.2 (-1.7 to 1.3)

0.3 (-1.6 to 2.1)

Weight (kgs)

8 week

0.04 (-0.5 to 0.6)

−1.4 (-2.3 to -0.4)

−1.4 (-2.5 to -0.3)

0.0140

20 week

−0.1 (-0.8 to 0.6)

−1.6 (-2.5 to -0.7)

−1.5 (-2.6 to -0.3)

BMI (kg/m²)

8 week

0.02 (-0.2 to 0.2)

−0.5 (-0.9 to -0.1)

−0.5 (-1.0 to -0.1)

0.0120

20 week

−0.02 (-0.3 to 0.2)

−0.6 (-0.9 to -0.2)

−0.6 (-1.0 to -0.1)

Waist circumference (cm)

8 week

−1.5 (-3.8 to 0.7)

−3.8 (-5.9 to -1.7)

−2.3 (-5.4 to 0.7)

0.2361

20 week

−2.1 (-4.0 to -0.2)

−2.5 (-5.8 to 0.8)

−0.4 (-4.3 to 3.4)