Table 3 Mean difference and correlation coefficient of food intakes between the IOS + SFFQ and the 7DFD (n = 221)

Energy (kcal)

1919.3 ± 481.8

1843.0

2057.0 ± 501.9

1950.2

< 0.001

0.69*

Protein (g)

74.4 ± 19.5

73.6

84.8 ± 25.9

81.4

< 0.001

0.66*

Fat (g)

76.0 ± 26.1

73.1

82.4 ± 24.9

77.9

< 0.001

0.79*

Carbohydrate (g)

241.3 ± 66.9

234.0

251.8 ± 69.3

241.9

< 0.001

0.67*

Cereals (g) ^c

184.8 ± 63.6

178.1

208.0 ± 72.3

199.0

< 0.001

0.82*

Tubers (g) ^c

31.7 ± 30.8

25.9

38.1 ± 33.3

30.0

< 0.001

0.85*

Vegetables (g) ^c

199.2 ± 102.1

184.5

202.1 ± 102.7

183.8

0.361

0.87*

Fruits (g)

114.5 ± 123

80.6

111.2 ± 127.5

72.1

0.559

0.54*

Animal-sourced foods (g) ^c

250.3 ± 92.3

241.3

294.5 ± 98.5

282.8

< 0.001

0.82*

Milk and dairy products (g)

127.6 ± 121.5

87.0

89.9 ± 91.0

72.9

< 0.001

0.54*

Soybeans and nuts (g)

27.3 ± 21.7

23.5

22.3 ± 14.1

19.9

< 0.001

0.73*

Salt equivalents (g) ^{c d}

7.2 ± 2.7

6.9

8.0 ± 2.6

7.7

< 0.001

0.78*

Oil (g) ^c

30.5 ± 11.5

30.0

35.1 ± 11.1

34.2

< 0.001

0.79*

Added sugar (g)

26.9 ± 28.7

20.0

20.4 ± 12.3

17.6

0.034

0.41*