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Table 3 Reports of fruits and vegetables intake by food frequency and 24 hour recall methods.

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

  Control
Group
(n = 83)
Intervention
Group
(n = 80)
Crude OR
(95% CI)
Adjusted OR§
(95% CI)
FFQ report of five or more fruit & vegetable servings per day 18 % 40 % 3.0*
(1.5 to 6.2)
3.0
(1.4 to 6.4)
24 hour recall of fruits or vegetables intake the previous day at:
breakfast 46 % 64 % 2.0**
(1.1 to 3.7)
1.6
(0.85 to 3.1)
lunch 59 % 74 % 1.8**
(.96 to 3.5)
1.5
(.77 to 3.1)
dinner 69% 89% 3.6**
(1.2 to 7.8)
3.8
(1.6 to 9.4)
snacks 25% 41% 1.8**
(1.0 to 3.1)
1.8
(.91 to 3.1)
Sum of three or more times throughout the day 32% 61% 3.4**
(1.9 to 6.1)
2.8
(1.6 to 5.2)
  1. *OR estimated via multiple logistic regression as the odds of 5 or more servings per day vs. fewer than 5 for intervention group as compared to control group.
  2. ** OR is the odds of having reported eating a fruit or vegetable in the specific meal (yes vs. no), or 3 or more times in the day (vs. under 3 times), compared to the control group, as estimated by logistic regression.
  3. §Adjusted by multiple logistic regression for age, education level, race/ethnicity, self-perceived health status, and time since last medical check-up.