Time 1

Mean (SD)

Time 2

Mean (SD)

Mean difference

(95% CI)*

p value*

Five food groups

3.67 (1.09)

4.23 (1.07)

0.55 (0.29, 0.82)

<0.0001

Major nutrients provided each food group

2.46 (1.90)

2.66 (2.04)

0.20 (−0.41, 0.80)

0.51

Guide to Healthy Eating

3.70 (2.48)

7.06 (2.19)

3.36 (2.18, 4.55)

<0.0001

Food labelling requirements

3.15 (1.66)

6.00 (3.48)

2.79 (1.84, 3.75)

<0.0001

Fats on food labels

0.97 (0.84)

2.85 (1.69)

1.51 (1.08, 1.94)

<0.0001

Sugars on food labels

1.46 (1.10)

3.59 (1.44)

1.94 (1.55, 2.32)

<0.0001

Salt on food labels

1.01 (0.71)

2.87 (1.39)

1.62 (1.22, 2.02)

<0.0001

Foods identified on food plate

2.19 (0.68)

2.57 (0.56)

0.30 (0.09, 0.49)

<0.005

Hydration of human body

3.04 (1.16)

4.04 (1.02)

0.82 (0.50, 1.13)

<0.0001

Hydration of human brain

2.17 (1.82)

3.72 (1.57)

1.49 (1.00, 2.00)

<0.0001

Overall nutrition Knowledge score

16.59 (9.53)

32.45 (14.47)

14.69 (11.92, 17.46)

<0.0001