Exercise in Young Adulthood with Simultaneous and Future Changes in Fruit and Vegetable Intake
Wasantha P Jayawardene1, Mohammad R Torabi1, David K Lohrmann1
1a Department of Applied Health Science, School of Public Health, Indiana University , Bloomington , Indiana.
Journal of the American College of Nutrition
|August 8, 2015
Summary
Changes in exercise habits can improve fruit and vegetable intake. Increased exercise frequency in young adulthood positively impacts future dietary habits, demonstrating a transfer effect on nutrition behavior.
Area of Science:
- Behavioral Science
- Public Health
- Nutrition Science
Background:
- Behavioral changes in one area can influence others through self-regulatory resources (transfer effect).
- Understanding the interplay between exercise and nutrition is crucial for weight management and overall health.
- The transfer effect, typically studied in interventions, may also occur in voluntary behavior changes.
Purpose of the Study:
- To determine if changes in exercise frequency predict simultaneous changes in fruit/vegetable intake (co-occurrence).
- To investigate if exercise frequency influences future fruit/vegetable intake (carry-over effect).
Main Methods:
- Longitudinal study of 6244 young adults from ages 18-31 (National Longitudinal Survey of Youth 1997).
- Repeated measures ANOVA and hierarchical multiple regression analyzed exercise and fruit/vegetable intake frequency.
- Controlled for demographic and health-related covariates.
Main Results:
- Exercise frequency transitions were linearly associated with concurrent fruit/vegetable intake.
- Transitioning to adequate exercise significantly increased fruit/vegetable intake.
- Each additional day/week of exercise at Time-2 increased fruit/vegetable intake by 0.17/0.13 times/week at Time-3.
Conclusions:
- Voluntary exercise behavior changes can lead to improved fruit and vegetable consumption.
- Establishing exercise habits may facilitate better dietary choices.
- Interventions promoting resource transfer across behaviors can enhance these positive effects.
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