Table 1 Baseline characteristics of the schoolchildren involved in the intervention study after randomization*

N

125

125

Male/Female

63/62

63/62

Age (years)^a

10 (8, 11)

10 (9, 11)

Serum retinol level (μmol/L)^a

1.12 (0.69, 1.47)

1.14 (0.69, 1.40)

Weight (kg)^b

22.7 ± 4.5

22.6 ± 5.5

Height (cm)^b

123.8 ± 7.5

122.6 ± 8.4

Paternal education level (at least 6 years)^c

38 (30.4)

43 (34.4)

Maternal education level (at least 6 years)^c

25 (20.0)

28 (22.4)

Low household income (<RM500)^c

102 (81.6)

98 (78.4)