Table 2 Means, standard deviations, and number of participants (n) for energy and micronutrients, ages 11–13 years, by sex and zygosity

 Protein

4.70 (3.21)

n = 93

4.82 (4.81)

n = 46

5.85 (9.93)

n = 95

4.97 (5.73)

n = 52

5.97 (5.32)

n = 35

4.02 (2.20)

n = 37

 Carbohydrate

50.94 (32.15)

n = 93

60.85 (72.44)

n = 46

52.20 (33.10)

n = 95

55.65 (83.85)

n = 52

59.32 (81.16)

n = 35

47.43 (25.47)

n = 37

 Mineral

448.37 (245.44)

n = 93

461.49 (253.80)

n = 46

470.49 (393.98)

n = 95

439.71 (295.22)

n = 52

483.68 (202.25)

n = 35

423.25 (247.53)

n = 37

 Vitamin

252.21 (208.07)

n = 93

284.37 (214.31)

n = 46

271.58 (424.12)

n = 95

239.41 (215.15)

n = 52

255.84 (152.47)

n = 35

206.50 (196.44)

n = 37

 Energy

2,258.14 (1,531.39)

n = 93

2,487.82 (2,308.61)

n = 46

2,283.75 (2,111.44)

n = 95

2,325.84 (3,246.32)

n = 52

2,594.79 (2,934.65)

n = 35

2,122.75 (1,343.40)

n = 37