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Updated: May 26, 2026
04:56
Assessment of Social Transmission of Food Preferences Behaviors
Published on: January 25, 2018
Can knowledge alone predict vegetable and fruit consumption among adolescents? A transtheoretical model perspective
1Department of Clinical Nutrition, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia.
The Journal of the Egyptian Public Health Association
|December 17, 2011
Summary
Adolescent Saudi girls
Area of Science:
- Adolescent Nutrition
- Public Health
- Behavioral Science
Background:
- Adolescent nutritional habits often deviate from recommendations, with common issues including irregular meals, frequent dining out, and insufficient fruit and vegetable (FV) intake.
- Understanding these patterns is crucial for promoting healthy development during adolescence.
Purpose of the Study:
- To investigate the knowledge, attitudes, and behaviors related to fruit and vegetable (FV) consumption among adolescent Saudi girls.
- To apply the transtheoretical model (TTM) to understand FV consumption patterns in this demographic.
Main Methods:
- A cross-sectional study involving 205 adolescent girls (aged 18-21) at King Abdulaziz University, Saudi Arabia.
- Assessed FV consumption using a Food Frequency questionnaire and evaluated TTM determinants of behavior change.
Main Results:
- Significant differences in vegetable consumption were observed between study groups.
- Self-efficacy and perceived benefits (pros) were key predictors of FV consumption, while academic department (knowledge) had minimal impact.
- TTM stages of change and determinants for FV intake showed a clustered relationship.
Conclusions:
- Knowledge alone is insufficient to drive FV intake in adolescent girls.
- The transtheoretical model (TTM) provides valuable insights into FV consumption, indicating a link between stages of change and behavioral determinants.
- An integrated approach targeting TTM stages and determinants is recommended for improving FV consumption among adolescents.
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