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. 2019 Mar 7;10(2):298–310. doi: 10.1002/jcsm.12394

Table 2.

Changes in habitual dietary intake of participants in the protein and placebo group (disregarding supplements)

Protein Placebo P‐value
n = 58 n = 56
Pre Post Change Pre Post Change Time Treatment Interaction
Energy intake (kcal) 1919 ± 534 1841 ± 456 −77.8 ± 484.5 1970 ± 536 1960 ± 492 −10.4 ± 535.6 0.36 0.30 0.48
Protein intake (g/kg/day) 0.86 ± 0.23 0.92 ± 0.27 0.06 ± 0.27 0.92 ± 0.24 0.97 ± 0.23 0.05 ± 0.28 0.034 0.18 0.74
Protein intake at breakfast (g) 11.3 ± 4.8 11.8 ± 7.6 0.5 ± 7.0 12.9 ± 7.7 13.4 ± 7.2 0.3 ± 8.1 0.62 0.17 0.90
Protein intake at lunch (g) 21.7 ± 10.2 20.3 ± 14.5 −3.7 ± 9.3 18.3 ± 7.8 20.7 ± 9.5 2.5 ± 11.6 0.57 0.61 0.003
Protein intake at dinner (g) 31.0 ± 10.8 33.8 ± 16.8 2.8 ± 19.5 36.0 ± 14.1 37.4 ± 13.4 1.7 ± 21.3 0.25 0.014 0.77
Protein (en%) 16.2 ± 3.1 16.8 ± 3.8 0.6 ± 3.8 15.7 ± 3.6 16.4 ± 3.0 0.7 ± 3.9 0.07 0.41 0.88
Fat (en%) 35.7 ± 7.0 35.5 ± 7.1 −0.2 ± 8.0 35.5 ± 6.5 36.6 ± 6.4 1.1 ± 7.5 0.53 0.64 0.36
Carbohydrate (en%) 42.4 ± 8.1 42.6 ± 7.7 0.1 ± 8.6 42.1 ± 6.4 40.9 ± 7.4 −1.2 ± 8.0 0.51 0.40 0.40

Data are presented as mean ± standard deviation. Bold values indicate P‐value <0.05. en%, energy percentage.