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Increasing fruit and vegetable intake. "Five a day" versus "just one more".
Nadine Ungar1, Monika Sieverding, Tatjana Stadnitski
1University of Heidelberg, Institute of Psychology, Hauptstr. 47-51, 69117 Heidelberg, Germany. nadine.ungar@psychologie.uni-heidelberg.de
Appetite
|February 19, 2013
Summary
The "5 a day" fruit and vegetable goal increased intake more than the "just 1 more" goal. This supports the "5 a day" campaign
Area of Science:
- Nutrition Science
- Behavioral Science
- Public Health Interventions
Background:
- Low fruit and vegetable (FV) intake is a public health concern.
- Current campaigns like
- 5 a day
- aim to increase FV consumption.
- The effectiveness of different goal-setting strategies requires investigation.
Purpose of the Study:
- To compare the effectiveness of a
- 5 a day
- goal versus a
- just 1 more
- goal for increasing FV intake.
- To evaluate the impact of these interventions on FV consumption in young adults.
Main Methods:
- A randomized controlled intervention study with 84 student participants.
- Three groups:
- 5 a day
- ,
- just 1 more
- , and control.
- FV intake measured before, immediately after, and 1 week post-intervention.
Main Results:
- The
- 5 a day
- group significantly increased FV intake by approximately one serving.
- The
- just 1 more
- group did not show a significant increase compared to the control group.
- The
- 5 a day
- goal proved more effective than
- just 1 more
- in boosting FV intake short-term.
Conclusions:
- The
- 5 a day
- campaign goal is effective for increasing fruit and vegetable intake in the short term.
- A less prescriptive
- just 1 more
- goal was not as effective as the established
- 5 a day
- target.
- Findings support the continued use of the
- 5 a day
- public health message for dietary improvement.
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