Time 1

Mean (SD)

Time 2

Mean (SD)

Mean difference

(95% CI)

p value

Five food groups

3.86 (0.86)

4.86 (0.54)

1.00 (0.38, 1.62)

0.004

Nutrients from each food group

2.38 (1.76)

4.92 (0.28)

2.54 (1.36, 3.72)

0.001

Guide to healthy eating

3.00 (4.14)

8.46 (1.27)

5.46 (2.84, 8.08)

0.001

Food labelling requirements

5.08 (1.32)

8.23 (2.35)

3.15 (1.66, 4.65)

0.001

Fats on food labels

1.00 (0.41)

4.54 (0.97)

3.54 (2.90, 4.18)

<0.0001

Sugars on food labels

1.38 (0.77)

4.46 (0.66)

3.08 (2.49, 3.66)

<0.0001

Salt on food labels

0.70 (0.63)

3.62 (1.50)

2.92 (1.97, 3.88)

<0.0001

Food groups identified on food plate

2.07 (0.73)

2.93 (0.26)

0.87 (0.51, 1.23)

<0.0001

Hydration of human body

2.40 (0.99)

4.40 (0.74)

2.00 (1.33, 2.67)

<0.0001

Hydration of human brain

2.67 (2.06)

4.47 (1.06)

1.80 (0.45, 3.15)

0.013

Overall nutrition Knowledge score

24.27 (4.89)

51.0 (5.61)

26.73 (22.88, 30.58)

<0.0001