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Health Education Research, Vol. 5, No. 4, 451-458, 1990
© 1990 Oxford University Press

research-article

Promoting change of adolescents' sugar consumption: The ‘Learning by teaching’ study

Ulla Hölund

Department of Child Dental Health and Community Dentistry, Royal Dental College DK-8000 Aarhus C, Denmark

The purpose of this study was (1) to propose a theory for promoting change of adolescents' sugar and fat consumption, (2) to suggest a method for implementing the theory, and (3) to implement the method in a group of adolescents and evaluate the impact on adolescents' sugar and fat consumption. The strategy was designed to make 14-year-olds learn about nutrition and health by teaching 10-year-olds this topic. The design of the study was a non-equivalent pretest/post-test control group design. The study group consisted of 114 adolescents (59 in the experiment and 55 in the reference group). Analysis of covariance with pre-test measures as covariates showed a significant reduction in frequency of overall and between-meal sugar consumption in the experimental group. This reduction was maintained 2 months after the program. There was no effect of the program on fat consumption. This study showed that adolescents' sugar consumption can be changed by means of group discussion and role playing. The findings suggest ways in which school-based programs which focus on messages that are salient to adolescents can be effective in promoting dietary changes in an age group normally resistant to health messages.


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