Table 3.

Agreement between the Energy Balance on Cancer (BENECA) mHealth system and each gold standard assessment method.

Variable		BENECA mHealth System, mean (SD)	Gold standard method, mean (SD)	Difference of means	95% CI
Percentage of fat
	Total	38.46 (8.97)	38.61 (7.59)	–0.15	–1.74 to 1.44
	Dietary record	37.44 (5.81)	38.76 (5.69)	–1.32	–2.41 to –0.23
	24-hour dietary recall	38.17 (11.50)	38.47 (11.38)	–0.29	–1.59 to 0.99
Portions of fruits and vegetables
	Total	3.66 (1.91)	3.66 (1.71)	–0.01	–0.24 to 0.22
	Dietary record	3.09 (1.56)	3.03 (1.96)	0.07	–0.30 to 0.44
	24-hour dietary recall	3.89 (2.24)	4.15 (2.10)	–0.26	–0.63 to 0.11
Minutes of moderate-to-vigorous physical activity		85.51 (23.07)	86.91 (22.57)	–1.40	–3.34 to 0.55