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. 2023 Sep 22;10:1255499. doi: 10.3389/fnut.2023.1255499

Table 2.

Energy estimates of the two dietary assessment tools and the DLW technique.

Variable Methods of energy estimation
SNAQ, N = 30a DLW, N = 30a 24HR, N = 30a
Energy intakeb
Energy (kcal/day) 1,905.5 (531.1) 2,235. 2 (456.5) 1,692.1 (632.5)
Energy (kJ/day) 7,972.7 (2,222.3) 9,351.9 (1,910.14) 7,079.9 (2,646.3)

Total daily energy intake was estimated with the app SNAQ and the 24-hour dietary recall (24HR). Total daily energy expenditure was estimated with the doubly labelled water (DLW) technique, but for simplicity, according to the assumption of body energy balance, in this table is referred to as energy intake.

a

Mean (SD). SD, standard deviation.

b

Total daily energy intake.