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Table 1 Effect of personalised nutrition intervention on intake of discretionary foods and beverages at month 6

From: Personalised nutrition advice reduces intake of discretionary foods and beverages: findings from the Food4Me randomised controlled trial

  Control
Mean (L0)
Personalised nutrition
Mean (L1, L2, L3)
Personalised nutrition L0
vs (L1 + L2 + L3)
L1
vs
(L2 + L3)
L2
vs
L3
L1 L2 L3
n 312 958 312 325 321    
Discretionary intake, FSS
 Energy, % of total (kJ) 12.0 ± 0.41 11.1 ± 0.23 11.0 ± 0.41 11.6 ± 0.40 10.8 ± 0.41 0.06 0.68 0.14
 Total fat, % of total (g/day) 13.5 ± 0.47 12.7 ± 0.27 12.5 ± 0.47 13.2 ± 0.46 12.2 ± 0.47 0.12 0.65 0.12
 Saturated fat, % of total (g/day) 17.1 ± 0.58 16.0 ± 0.33 15.8 ± 0.58 16.7 ± 0.57 15.5 ± 0.57 0.10 0.69 0.16
 Total sugars, % of total (g/day) 21.1 ± 0.65 19.0 ± 0.37 18.7 ± 0.65 19.6 ± 0.64 18.6 ± 0.64 0.005 0.58 0.31
 Salt, % of total (g/day) 6.99 ± 0.32 6.53 ± 0.18 6.43 ± 0.32 6.87 ± 0.31 6.29 ± 0.31 0.21 0.69 0.19
Discretionary intake, ADG
 Energy, % of total (kJ) 32.7 ± 0.59 31.2 ± 0.59 31.0 ± 0.59 32.5 ± 0.58 30.1 ± 0.58 0.031 0.65 0.005
 Total fat, % of total (g/day) 33.3 ± 0.65 31.5 ± 0.37 31.1 ± 0.65 32.7 ± 0.64 30.7 ± 0.64 0.021 0.43 0.028
 Saturated fat, % of total (g/day) 37.8 ± 0.75 36.0 ± 0.43 35.5 ± 0.75 37.3 ± 0.74 35.0 ± 0.74 0.034 0.49 0.030
 Total sugars, % of total (g/day) 34.7 ± 0.78 31.7 ± 0.44 31.4 ± 0.78 32.8 ± 0.76 30.9 ± 0.77 < 0.001 0.58 0.08
 Salt, % of total (g/day) 36.6 ± 0.71 35.9 ± 0.41 35.8 ± 0.71 37.3 ± 0.69 34.6 ± 0.70 0.42 0.89 0.007
Contribution made by sweets and snacks, % of total intake (g/day)
 Total fat 16.3 ± 0.50 16.3 ± 0.28 16.2 ± 0.50 16.6 ± 0.49 16.1 ± 0.49 0.94 0.83 0.48
 Saturated fat 18.5 ± 0.49 18.0 ± 0.33 17.8 ± 0.57 18.5 ± 0.56 17.8 ± 0.56 0.49 0.67 0.40
 Total sugars 21.5 ± 0.63 19.1 ± 0.36 18.7 ± 0.63 19.3 ± 0.63 19.2 ± 0.63 < 0.001 0.51 0.91
 Salt 7.45 ± 0.30 6.97 ± 0.17 6.99 ± 0.30 7.26 ± 0.30 6.65 ± 0.29 0.17 0.93 0.14
  1. Values represent adjusted means ± SE; contrast analyses were used to test for significant differences between groups; ancova were adjusted for baseline intake (for month 6 analyses), age, sex and country. FSS, Food Standards Scotland classification of discretionary foods and beverages. ADG, Australian Dietary Guidelines classification of discretionary foods and beverages. L0, Level 0 - Control, generalised advice; L1, Level 1 – personalised advice based on diet alone; L2, Level 2 – personalised advice based on diet and phenotype; L3, Level 3 – personalised advice based on diet, phenotype and genotype