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Table 2 Reported mean intake of fruits, vegetables, and other foods collected by food frequency questionnaire

From: Effects of social approval bias on self-reported fruit and vegetable consumption: a randomized controlled trial

 

Mean Servings Per Day (± SD)

 
 

Control

Group

n = 83

Intervention

Group

n = 80

Difference

P-value

Milk

0.70 (0.72)

0.88 (0.94)

0.18

0.18

Doughnuts, Cookies, Cake, Pastries, or Pies

0.32 (0.5)

0.35 (0.58)

0.03

0.66

100% Fruit or Vegetable Juice

0.43 (0.5)

0.64 (1.04)

0.21

0.10

Fruit

0.87 (0.69)

1.33 (0.95)

0.46

< 0.001

Carrots

0.30 (0.44)

0.38 (0.34)

0.08

0.21

Potatoes

0.24 (0.28)

0.23 (0.22)

0.01

0.97

Green Salad

0.66 (0.46)

0.83 (0.54)

0.17

0.03

Other Vegetables

1.2 (0.84)

1.8 (1.46)

0.6

0.001

Total Fruit and Juice

1.3 (0.89)

2.0 (1.47)

0.7

< 0.001

Total Vegetables

2.4 (1.26)

3.2 (1.86)

0.8

< 0.001

Total Fruits and Vegetables

3.7 (1.66)

5.2 (2.67)

1.5

< 0.001